diff --git a/.gitignore b/.gitignore
index a7f372d..ea1aea1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,5 +7,5 @@ docs
 phpunit.xml
 phpstan.neon
 testbench.yaml
-vendor
+/vendor
 node_modules
diff --git a/README.md b/README.md
index 545c311..e401baf 100644
--- a/README.md
+++ b/README.md
@@ -6,21 +6,12 @@
 [![Total Downloads](https://img.shields.io/packagist/dt/fidum/laravel-translation-linter.svg?style=for-the-badge)](https://packagist.org/packages/fidum/laravel-translation-linter)
 [![Twitter Follow](https://img.shields.io/badge/follow-%40danmasonmp-1DA1F2?logo=twitter&style=for-the-badge)](https://twitter.com/danmasonmp)
 
-This is where your description should go. Limit it to a paragraph or two. Consider adding a small example.
-
 ## Installation
 
 You can install the package via composer:
 
 ```bash
-composer require fidum/laravel-translation-linter
-```
-
-You can publish and run the migrations with:
-
-```bash
-php artisan vendor:publish --tag="laravel-translation-linter-migrations"
-php artisan migrate
+composer require --dev fidum/laravel-translation-linter
 ```
 
 You can publish the config file with:
@@ -36,12 +27,6 @@ return [
 ];
 ```
 
-Optionally, you can publish the views using
-
-```bash
-php artisan vendor:publish --tag="laravel-translation-linter-views"
-```
-
 ## Usage
 
 ```php
diff --git a/composer.json b/composer.json
index ebfea74..bb2f4a0 100644
--- a/composer.json
+++ b/composer.json
@@ -34,8 +34,7 @@
     },
     "autoload": {
         "psr-4": {
-            "Fidum\\LaravelTranslationLinter\\": "src/",
-            "Fidum\\LaravelTranslationLinter\\Database\\Factories\\": "database/factories/"
+            "Fidum\\LaravelTranslationLinter\\": "src/"
         }
     },
     "autoload-dev": {
@@ -45,22 +44,14 @@
         }
     },
     "scripts": {
-        "post-autoload-dump": "@composer run prepare",
-        "clear": "@php vendor/bin/testbench package:purge-laravel-translation-linter --ansi",
-        "prepare": "@php vendor/bin/testbench package:discover --ansi",
-        "build": [
-            "@composer run prepare",
-            "@php vendor/bin/testbench workbench:build --ansi"
-        ],
-        "start": [
-            "Composer\\Config::disableProcessTimeout",
-            "@composer run build",
-            "@php vendor/bin/testbench serve"
-        ],
         "analyse": "vendor/bin/phpstan analyse",
         "test": "vendor/bin/pest",
         "test-coverage": "vendor/bin/pest --coverage",
-        "format": "vendor/bin/pint"
+        "format": "vendor/bin/pint",
+        "lint": [
+            "@php vendor/bin/pint",
+            "@php vendor/bin/phpstan analyse"
+        ]
     },
     "config": {
         "sort-packages": true,
@@ -81,4 +72,4 @@
     },
     "minimum-stability": "dev",
     "prefer-stable": true
-}
\ No newline at end of file
+}
diff --git a/config/translation-linter.php b/config/translation-linter.php
index d500221..c6101f3 100644
--- a/config/translation-linter.php
+++ b/config/translation-linter.php
@@ -1,6 +1,121 @@
 <?php
 
-// config for Fidum/LaravelTranslationLinter
 return [
+    'application' => [
+        /*
+        |--------------------------------------------------------------------------
+        | Code Directories
+        |--------------------------------------------------------------------------
+        |
+        | The following array lists the "directories" that will be scanned
+        | for translations. The defaults below should cover most uses
+        | but if you need to add more make sure they are absolute paths.
+        |
+        */
+        'directories' => [
+            app_path(),
+            resource_path(),
+        ],
 
+        /*
+        |--------------------------------------------------------------------------
+        | Code Extensions
+        |--------------------------------------------------------------------------
+        |
+        | The following array lists the file "extensions" that will be scanned for
+        | translations. Make sure that all files where you use translations are
+        | included here.
+        |
+        */
+        'extensions' => [
+            'php',
+            'js',
+            'vue',
+        ],
+    ],
+
+    'lang' => [
+        /*
+        |--------------------------------------------------------------------------
+        | Language Functions
+        |--------------------------------------------------------------------------
+        |
+        | The following array lists the translation "functions" that will be used
+        | to find translation usage throughout your code. This is used in the
+        | regex pattern below to detect translations.
+        |
+        */
+        'functions' => [
+            '__',
+            '_t',
+            '@lang',
+            '@choice',
+            'trans',
+            'trans_choice',
+            'Lang::choice',
+            'Lang::get',
+            'Lang::has',
+        ],
+
+        /*
+        |--------------------------------------------------------------------------
+        | Language Function Regex Pattern
+        |--------------------------------------------------------------------------
+        |
+        | The following contains the regex pattern used to find the functions
+        | configured above. The '[FUNCTIONS]' part will be replaced with a
+        | pipe delimited list of the functions defined above.
+        |
+        */
+        'regex' => '/([FUNCTIONS])\([\t\r\n\s]*[\'"](.+)[\'"][\),\t\r\n\s]/U',
+
+        /*
+        |--------------------------------------------------------------------------
+        | Language Locales
+        |--------------------------------------------------------------------------
+        |
+        | The following array contains the language 'locales' to use.
+        |
+        */
+        'locales' => [env('LOCALE_DEFAULT', 'en')],
+    ],
+
+    'unused' => [
+        /*
+        |--------------------------------------------------------------------------
+        | Output Fields
+        |--------------------------------------------------------------------------
+        |
+        | The following array lists the "fields" that are displayed by the command
+        | when unused translations are found. Set any of these to `false` to hide
+        | them from the output or change all to `false` to not show anything.
+        |
+        */
+        'fields' => [
+            'lang' => true,
+            'namespace' => true,
+            'key' => true,
+            'value' => true,
+        ],
+
+        /*
+        |--------------------------------------------------------------------------
+        | Unused Language Filters
+        |--------------------------------------------------------------------------
+        |
+        | The following array lists the "filters" that will be used to filter out
+        | erroneously detected unused translations. For example, you may want to
+        | ignore laravel or vendor translations.
+        |
+        | All filters must implement the filter interface or they will be skipped:
+        | \Fidum\LaravelTranslationLinter\Contracts\Filter
+        |
+        | We have included some filters with this package which may be of use.
+        |
+        */
+        'filters' => [
+            \Fidum\LaravelTranslationLinter\Filters\DefaultLanguageFilesFilter::class,
+            \Fidum\LaravelTranslationLinter\Filters\IgnoreNamespacedKeysFilter::class,
+        ],
+    ],
 ];
diff --git a/database/factories/ModelFactory.php b/database/factories/ModelFactory.php
deleted file mode 100644
index b149112..0000000
--- a/database/factories/ModelFactory.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-namespace Fidum\LaravelTranslationLinter\Database\Factories;
-
-use Illuminate\Database\Eloquent\Factories\Factory;
-
-/*
-class ModelFactory extends Factory
-{
-    protected $model = YourModel::class;
-
-    public function definition()
-    {
-        return [
-
-        ];
-    }
-}
-*/
diff --git a/database/migrations/create_translation_linter_table.php.stub b/database/migrations/create_translation_linter_table.php.stub
deleted file mode 100644
index c87241e..0000000
--- a/database/migrations/create_translation_linter_table.php.stub
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    public function up()
-    {
-        Schema::create('laravel_translation_linter_table', function (Blueprint $table) {
-            $table->id();
-
-            // add fields
-
-            $table->timestamps();
-        });
-    }
-};
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index a91953b..e005ac7 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -6,7 +6,6 @@ parameters:
     paths:
         - src
         - config
-        - database
     tmpDir: build/phpstan
     checkOctaneCompatibility: true
     checkModelProperties: true
diff --git a/resources/views/.gitkeep b/resources/views/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/Collections/UnusedFieldCollection.php b/src/Collections/UnusedFieldCollection.php
new file mode 100644
index 0000000..1aac8dc
--- /dev/null
+++ b/src/Collections/UnusedFieldCollection.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Collections;
+
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFieldCollection as UnusedFieldCollectionContract;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Str;
+
+class UnusedFieldCollection extends Collection implements UnusedFieldCollectionContract
+{
+    public function enabled(): static
+    {
+        return $this->filter()->keys();
+    }
+
+    public function headers(): array
+    {
+        return $this->enabled()
+            ->map(fn ($v) => Str::headline($v))
+            ->toArray();
+    }
+}
diff --git a/src/Collections/UnusedFilterCollection.php b/src/Collections/UnusedFilterCollection.php
new file mode 100644
index 0000000..febdaec
--- /dev/null
+++ b/src/Collections/UnusedFilterCollection.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Collections;
+
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFilterCollection as UnusedFilterCollectionContract;
+use Fidum\LaravelTranslationLinter\Contracts\Filters\Filter;
+use http\Exception\InvalidArgumentException;
+use Illuminate\Support\Collection;
+
+class UnusedFilterCollection extends Collection implements UnusedFilterCollectionContract
+{
+    public function shouldReport(string $lang, string $namespace, string $key, ?string $value): bool
+    {
+        return $this->every(function (string $filterClass) use ($lang, $namespace, $key, $value) {
+            $interface = Filter::class;
+
+            if (is_subclass_of($filterClass, $interface)) {
+                /** @var Filter $filter */
+                $filter = app($filterClass);
+
+                return $filter->shouldReport($lang, $namespace, $key, $value);
+            }
+
+            throw new InvalidArgumentException("Filter [$filterClass] needs to implement [$interface].");
+        });
+    }
+}
diff --git a/src/Collections/UnusedResultCollection.php b/src/Collections/UnusedResultCollection.php
new file mode 100644
index 0000000..4325195
--- /dev/null
+++ b/src/Collections/UnusedResultCollection.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Collections;
+
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFieldCollection as UnusedFieldCollectionContract;
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedResultCollection as UnusedResultCollectionContract;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Collection;
+
+class UnusedResultCollection extends Collection implements UnusedResultCollectionContract
+{
+    public function addUnusedLanguageKey(string $lang, string $namespace, string $key, ?string $value): UnusedResultCollectionContract
+    {
+        return $this->push([
+            'lang' => $lang,
+            'namespace' => $namespace,
+            'key' => $key,
+            'value' => $value,
+        ]);
+    }
+
+    public function toCommandTableOutputArray(UnusedFieldCollectionContract $fields): array
+    {
+        return Arr::only($this->items, $fields->enabled()->toArray());
+    }
+}
diff --git a/src/Commands/LaravelTranslationLinterCommand.php b/src/Commands/LaravelTranslationLinterCommand.php
deleted file mode 100644
index a8b9087..0000000
--- a/src/Commands/LaravelTranslationLinterCommand.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-namespace Fidum\LaravelTranslationLinter\Commands;
-
-use Illuminate\Console\Command;
-
-class LaravelTranslationLinterCommand extends Command
-{
-    public $signature = 'laravel-translation-linter';
-
-    public $description = 'My command';
-
-    public function handle(): int
-    {
-        $this->comment('All done');
-
-        return self::SUCCESS;
-    }
-}
diff --git a/src/Commands/UnusedCommand.php b/src/Commands/UnusedCommand.php
new file mode 100644
index 0000000..a7349a4
--- /dev/null
+++ b/src/Commands/UnusedCommand.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Commands;
+
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFieldCollection;
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFilterCollection;
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedResultCollection;
+use Fidum\LaravelTranslationLinter\Linters\UnusedTranslationLinter;
+use Illuminate\Console\Command;
+
+class UnusedCommand extends Command
+{
+    public $signature = 'translation:unused';
+
+    public $description = 'Finds unused language keys.';
+
+    public function handle(
+        UnusedFieldCollection $fields,
+        UnusedFilterCollection $filters,
+        UnusedResultCollection $results,
+        UnusedTranslationLinter $linter,
+    ): int {
+        foreach ($linter->execute() as $lang => $namespaces) {
+            foreach ($namespaces as $namespace => $translations) {
+                foreach ($translations as $key => $value) {
+                    if ($filters->shouldReport($lang, $namespace, $key, $value)) {
+                        $results->addUnusedLanguageKey($lang, $namespace, $key, $value);
+                    }
+                }
+            }
+        }
+
+        if ($results->isEmpty()) {
+            $this->comment('No unused translations found!');
+
+            return self::SUCCESS;
+        }
+
+        $this->error(sprintf('%d unused translations found', $results->count()));
+        $this->table($fields->headers(), $results->toCommandTableOutputArray($fields));
+
+        return self::FAILURE;
+    }
+}
diff --git a/src/Contracts/Collections/UnusedFieldCollection.php b/src/Contracts/Collections/UnusedFieldCollection.php
new file mode 100644
index 0000000..0188942
--- /dev/null
+++ b/src/Contracts/Collections/UnusedFieldCollection.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Collections;
+
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Support\Enumerable;
+
+interface UnusedFieldCollection extends Arrayable, Enumerable
+{
+    public function enabled(): static;
+
+    public function headers(): array;
+}
diff --git a/src/Contracts/Collections/UnusedFilterCollection.php b/src/Contracts/Collections/UnusedFilterCollection.php
new file mode 100644
index 0000000..8eef13b
--- /dev/null
+++ b/src/Contracts/Collections/UnusedFilterCollection.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Collections;
+
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Support\Enumerable;
+
+interface UnusedFilterCollection extends Arrayable, Enumerable
+{
+    public function shouldReport(string $lang, string $namespace, string $key, ?string $value): bool;
+}
diff --git a/src/Contracts/Collections/UnusedResultCollection.php b/src/Contracts/Collections/UnusedResultCollection.php
new file mode 100644
index 0000000..e9a6e72
--- /dev/null
+++ b/src/Contracts/Collections/UnusedResultCollection.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Collections;
+
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFieldCollection as UnusedFieldCollectionContract;
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Support\Enumerable;
+
+interface UnusedResultCollection extends Arrayable, Enumerable
+{
+    public function addUnusedLanguageKey(string $lang, string $namespace, string $key, ?string $value): self;
+
+    public function toCommandTableOutputArray(UnusedFieldCollectionContract $fields): array;
+}
diff --git a/src/Contracts/Extractors/Extractor.php b/src/Contracts/Extractors/Extractor.php
new file mode 100644
index 0000000..60a3eab
--- /dev/null
+++ b/src/Contracts/Extractors/Extractor.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Extractors;
+
+use Illuminate\Support\Collection;
+
+interface Extractor
+{
+    public function execute(): Collection;
+}
diff --git a/src/Contracts/Filters/Filter.php b/src/Contracts/Filters/Filter.php
new file mode 100644
index 0000000..0821857
--- /dev/null
+++ b/src/Contracts/Filters/Filter.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Filters;
+
+interface Filter
+{
+    public function shouldReport(string $lang, string $namespace, string $key, ?string $value): bool;
+}
diff --git a/src/Contracts/Finders/ApplicationFileFinder.php b/src/Contracts/Finders/ApplicationFileFinder.php
new file mode 100644
index 0000000..4f6aa9f
--- /dev/null
+++ b/src/Contracts/Finders/ApplicationFileFinder.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Finders;
+
+/** @see Finder */
+interface ApplicationFileFinder extends Finder
+{
+}
diff --git a/src/Contracts/Finders/Finder.php b/src/Contracts/Finders/Finder.php
new file mode 100644
index 0000000..a23041f
--- /dev/null
+++ b/src/Contracts/Finders/Finder.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Finders;
+
+use Illuminate\Support\Collection;
+
+interface Finder
+{
+    public function execute(): Collection;
+}
diff --git a/src/Contracts/Finders/LanguageFileFinder.php b/src/Contracts/Finders/LanguageFileFinder.php
new file mode 100644
index 0000000..bd55ddf
--- /dev/null
+++ b/src/Contracts/Finders/LanguageFileFinder.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Finders;
+
+use Illuminate\Support\Collection;
+
+interface LanguageFileFinder
+{
+    public function execute(string $path, array $extensions): Collection;
+}
diff --git a/src/Contracts/Finders/LanguageNamespaceFinder.php b/src/Contracts/Finders/LanguageNamespaceFinder.php
new file mode 100644
index 0000000..b0c1f2a
--- /dev/null
+++ b/src/Contracts/Finders/LanguageNamespaceFinder.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Finders;
+
+interface LanguageNamespaceFinder extends Finder
+{
+}
diff --git a/src/Contracts/Linters/UnusedTranslationLinter.php b/src/Contracts/Linters/UnusedTranslationLinter.php
new file mode 100644
index 0000000..e2f7172
--- /dev/null
+++ b/src/Contracts/Linters/UnusedTranslationLinter.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Linters;
+
+use Illuminate\Support\Collection;
+
+interface UnusedTranslationLinter
+{
+    public function execute(): Collection;
+}
diff --git a/src/Contracts/Parsers/Parser.php b/src/Contracts/Parsers/Parser.php
new file mode 100644
index 0000000..004bd50
--- /dev/null
+++ b/src/Contracts/Parsers/Parser.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Contracts\Parsers;
+
+use Illuminate\Support\Collection;
+use Symfony\Component\Finder\SplFileInfo;
+
+interface Parser
+{
+    public function execute(SplFileInfo $file): Collection;
+}
diff --git a/src/Extractors/Extractor.php b/src/Extractors/Extractor.php
new file mode 100644
index 0000000..458da71
--- /dev/null
+++ b/src/Extractors/Extractor.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Extractors;
+
+use Fidum\LaravelTranslationLinter\Contracts\Extractors\Extractor as ExtractorContract;
+use Fidum\LaravelTranslationLinter\Contracts\Finders\ApplicationFileFinder;
+use Fidum\LaravelTranslationLinter\Contracts\Parsers\Parser;
+use Illuminate\Support\Collection;
+
+class Extractor implements ExtractorContract
+{
+    public function __construct(
+        protected ApplicationFileFinder $finder,
+        protected Parser $parser,
+    ) {
+    }
+
+    public function execute(): Collection
+    {
+        $strings = new Collection();
+
+        // List files
+        $files = $this->finder->execute();
+
+        // Get all translatable strings from files
+        foreach ($files as $file) {
+            $strings = $strings->merge($this->parser->execute($file));
+        }
+
+        return $strings->unique();
+    }
+}
diff --git a/src/Facades/LaravelTranslationLinter.php b/src/Facades/LaravelTranslationLinter.php
deleted file mode 100644
index bf05a16..0000000
--- a/src/Facades/LaravelTranslationLinter.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-namespace Fidum\LaravelTranslationLinter\Facades;
-
-use Illuminate\Support\Facades\Facade;
-
-/**
- * @see \Fidum\LaravelTranslationLinter\LaravelTranslationLinter
- */
-class LaravelTranslationLinter extends Facade
-{
-    protected static function getFacadeAccessor()
-    {
-        return \Fidum\LaravelTranslationLinter\LaravelTranslationLinter::class;
-    }
-}
diff --git a/src/Filters/DefaultLanguageFilesFilter.php b/src/Filters/DefaultLanguageFilesFilter.php
new file mode 100644
index 0000000..488a2d7
--- /dev/null
+++ b/src/Filters/DefaultLanguageFilesFilter.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Filters;
+
+use Fidum\LaravelTranslationLinter\Contracts\Filters\Filter;
+use Illuminate\Support\Str;
+
+class DefaultLanguageFilesFilter implements Filter
+{
+    public function shouldReport(string $lang, string $namespace, string $key, ?string $value): bool
+    {
+        if ($namespace) {
+            return true;
+        }
+
+        return ! Str::startsWith($key, [
+            'validation.',
+            'passwords.',
+            'pagination.',
+            'auth.',
+        ]);
+    }
+}
diff --git a/src/Filters/IgnoreNamespacedKeysFilter.php b/src/Filters/IgnoreNamespacedKeysFilter.php
new file mode 100644
index 0000000..168c4d1
--- /dev/null
+++ b/src/Filters/IgnoreNamespacedKeysFilter.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Filters;
+
+use Fidum\LaravelTranslationLinter\Contracts\Filters\Filter;
+
+class IgnoreNamespacedKeysFilter implements Filter
+{
+    public function shouldReport(string $lang, string $namespace, string $key, ?string $value): bool
+    {
+        return ! $namespace;
+    }
+}
diff --git a/src/Finders/ApplicationFileFinder.php b/src/Finders/ApplicationFileFinder.php
new file mode 100644
index 0000000..9f93644
--- /dev/null
+++ b/src/Finders/ApplicationFileFinder.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Finders;
+
+use Fidum\LaravelTranslationLinter\Contracts\Finders\ApplicationFileFinder as ApplicationFileFinderContract;
+use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Collection;
+
+class ApplicationFileFinder implements ApplicationFileFinderContract
+{
+    public function __construct(
+        protected Filesystem $filesystem,
+        protected array $directories,
+        protected array $extensions
+    ) {
+    }
+
+    public function execute(): Collection
+    {
+        $files = new Collection();
+
+        foreach ($this->directories as $directory) {
+            $files = $files->merge($this->filesystem->allFiles($directory));
+        }
+
+        return $files->filter(function (\SplFileInfo $file) {
+            return in_array($file->getExtension(), $this->extensions);
+        });
+    }
+}
diff --git a/src/Finders/LanguageFileFinder.php b/src/Finders/LanguageFileFinder.php
new file mode 100644
index 0000000..580e44f
--- /dev/null
+++ b/src/Finders/LanguageFileFinder.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Finders;
+
+use Fidum\LaravelTranslationLinter\Contracts\Finders\LanguageFileFinder as LanguageFileFinderContract;
+use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Collection;
+
+class LanguageFileFinder implements LanguageFileFinderContract
+{
+    public function __construct(protected Filesystem $filesystem)
+    {
+    }
+
+    public function execute(string $path, array $extensions): Collection
+    {
+        $files = new Collection($this->filesystem->allFiles($path));
+
+        return $files->filter(fn (\SplFileInfo $file) => in_array($file->getExtension(), $extensions));
+    }
+}
diff --git a/src/Finders/LanguageNamespaceFinder.php b/src/Finders/LanguageNamespaceFinder.php
new file mode 100644
index 0000000..5a0a773
--- /dev/null
+++ b/src/Finders/LanguageNamespaceFinder.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Finders;
+
+use Fidum\LaravelTranslationLinter\Contracts\Finders\LanguageNamespaceFinder as LanguageNamespaceFinderContract;
+use Illuminate\Contracts\Translation\Translator;
+use Illuminate\Support\Collection;
+
+class LanguageNamespaceFinder implements LanguageNamespaceFinderContract
+{
+    public function __construct(protected Translator $translator)
+    {
+    }
+
+    public function execute(): Collection
+    {
+        $namespacesCollection = new Collection();
+
+        // Get Translator namespaces
+        $loader = $this->translator->getLoader();
+
+        foreach ($loader->namespaces() as $hint => $path) {
+            $namespacesCollection->put($hint, $path);
+        }
+
+        // Add default namespace
+        $namespacesCollection->put('', app()->langPath());
+
+        // Return namespaces collection after removing non existing paths
+        return $namespacesCollection->filter(function ($path) {
+            return file_exists($path) ? $path : false;
+        });
+    }
+}
diff --git a/src/LaravelTranslationLinter.php b/src/LaravelTranslationLinter.php
deleted file mode 100755
index 230b142..0000000
--- a/src/LaravelTranslationLinter.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-namespace Fidum\LaravelTranslationLinter;
-
-class LaravelTranslationLinter
-{
-}
diff --git a/src/LaravelTranslationLinterServiceProvider.php b/src/LaravelTranslationLinterServiceProvider.php
index 460bda4..22d3bcd 100644
--- a/src/LaravelTranslationLinterServiceProvider.php
+++ b/src/LaravelTranslationLinterServiceProvider.php
@@ -2,24 +2,85 @@
 
 namespace Fidum\LaravelTranslationLinter;
 
-use Fidum\LaravelTranslationLinter\Commands\LaravelTranslationLinterCommand;
+use Fidum\LaravelTranslationLinter\Collections\UnusedFieldCollection;
+use Fidum\LaravelTranslationLinter\Collections\UnusedFilterCollection;
+use Fidum\LaravelTranslationLinter\Collections\UnusedResultCollection;
+use Fidum\LaravelTranslationLinter\Commands\UnusedCommand;
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFieldCollection as UnusedFieldCollectionContract;
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedFilterCollection as UnusedFilterCollectionContract;
+use Fidum\LaravelTranslationLinter\Contracts\Collections\UnusedResultCollection as UnusedResultCollectionContract;
+use Fidum\LaravelTranslationLinter\Contracts\Extractors\Extractor as ExtractorContract;
+use Fidum\LaravelTranslationLinter\Contracts\Finders\ApplicationFileFinder as ApplicationFileFinderContract;
+use Fidum\LaravelTranslationLinter\Contracts\Finders\LanguageFileFinder as LanguageFileFinderContract;
+use Fidum\LaravelTranslationLinter\Contracts\Finders\LanguageNamespaceFinder as LanguageNamespaceFinderContract;
+use Fidum\LaravelTranslationLinter\Contracts\Linters\UnusedTranslationLinter as UnusedTranslationLinterContract;
+use Fidum\LaravelTranslationLinter\Contracts\Parsers\Parser as ParserContract;
+use Fidum\LaravelTranslationLinter\Extractors\Extractor;
+use Fidum\LaravelTranslationLinter\Finders\ApplicationFileFinder;
+use Fidum\LaravelTranslationLinter\Finders\LanguageFileFinder;
+use Fidum\LaravelTranslationLinter\Finders\LanguageNamespaceFinder;
+use Fidum\LaravelTranslationLinter\Linters\UnusedTranslationLinter;
+use Fidum\LaravelTranslationLinter\Parsers\Parser;
+use Illuminate\Contracts\Support\DeferrableProvider;
+use Illuminate\Foundation\Application;
 use Spatie\LaravelPackageTools\Package;
 use Spatie\LaravelPackageTools\PackageServiceProvider;
 
-class LaravelTranslationLinterServiceProvider extends PackageServiceProvider
+class LaravelTranslationLinterServiceProvider extends PackageServiceProvider implements DeferrableProvider
 {
     public function configurePackage(Package $package): void
     {
-        /*
-         * This class is a Package Service Provider
-         *
-         * More info: https://github.com/spatie/laravel-package-tools
-         */
         $package
             ->name('laravel-translation-linter')
             ->hasConfigFile()
-            ->hasViews()
-            ->hasMigration('create_laravel-translation-linter_table')
-            ->hasCommand(LaravelTranslationLinterCommand::class);
+            ->hasCommand(UnusedCommand::class);
+    }
+
+    public function registeringPackage()
+    {
+        $this->app->bind(ApplicationFileFinderContract::class, function (Application $app) {
+            return new ApplicationFileFinder(
+                $app->make('files'),
+                $app->make('config')->get('translation-linter.application.directories'),
+                $app->make('config')->get('translation-linter.application.extensions'),
+            );
+        });
+
+        $this->app->bind(ExtractorContract::class, Extractor::class);
+        $this->app->bind(LanguageFileFinderContract::class, LanguageFileFinder::class);
+        $this->app->bind(LanguageNamespaceFinderContract::class, LanguageNamespaceFinder::class);
+
+        $this->app->bind(ParserContract::class, function (Application $app) {
+            $regex = $app->make('config')->get('translation-linter.lang.regex');
+            $functions = $app->make('config')->get('translation-linter.lang.functions');
+
+            return new Parser(str_replace('[FUNCTIONS]', implode('|', $functions), $regex));
+        });
+
+        $this->app->bind(UnusedFieldCollectionContract::class, function (Application $app) {
+            return UnusedFieldCollection::wrap($app->make('config')->get('translation-linter.unused.fields'));
+        });
+
+        $this->app->bind(UnusedFilterCollectionContract::class, function (Application $app) {
+            return UnusedFilterCollection::wrap($app->make('config')->get('translation-linter.unused.filters'));
+        });
+
+        $this->app->bind(UnusedResultCollectionContract::class, UnusedResultCollection::class);
+        $this->app->bind(UnusedTranslationLinterContract::class, UnusedTranslationLinter::class);
+    }
+
+    public function provides()
+    {
+        return [
+            ApplicationFileFinderContract::class,
+            ExtractorContract::class,
+            LanguageFileFinderContract::class,
+            LanguageNamespaceFinderContract::class,
+            ParserContract::class,
+            UnusedFieldCollectionContract::class,
+            UnusedFilterCollectionContract::class,
+            UnusedResultCollectionContract::class,
+            UnusedTranslationLinterContract::class,
+        ];
     }
 }
diff --git a/src/Linters/UnusedTranslationLinter.php b/src/Linters/UnusedTranslationLinter.php
new file mode 100644
index 0000000..03932b0
--- /dev/null
+++ b/src/Linters/UnusedTranslationLinter.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Linters;
+
+use Fidum\LaravelTranslationLinter\Contracts\Finders\LanguageFileFinder;
+use Fidum\LaravelTranslationLinter\Contracts\Linters\UnusedTranslationLinter as UnusedTranslationLinterContract;
+use Fidum\LaravelTranslationLinter\Extractors\Extractor;
+use Fidum\LaravelTranslationLinter\Finders\LanguageNamespaceFinder;
+use http\Exception\InvalidArgumentException;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Str;
+use Illuminate\Support\Stringable;
+use Symfony\Component\Finder\SplFileInfo;
+
+class UnusedTranslationLinter implements UnusedTranslationLinterContract
+{
+    public function __construct(
+        protected LanguageFileFinder $finder,
+        protected LanguageNamespaceFinder $namespaces,
+        protected Extractor $extractor,
+        protected array $languages = ['en'],
+    ) {
+    }
+
+    public function execute(): Collection
+    {
+        $unusedStrings = [];
+        $usedStrings = $this->extractor->execute()->toArray();
+        $registeredNamespaces = $this->namespaces->execute();
+
+        foreach ($this->languages as $language) {
+            $unusedStrings[$language] = [];
+
+            foreach ($registeredNamespaces as $namespace => $path) {
+                $unusedStrings[$language][$namespace] = [];
+
+                // TODO: Support json files
+                $files = $this->finder->execute($path, ['php']);
+
+                /** @var SplFileInfo $file */
+                foreach ($files as $file) {
+                    $translations = $this->getTranslationsFromFile($file);
+
+                    foreach ($translations as $field => $value) {
+                        $group = $this->getLanguageKey($file, $language, $field);
+                        foreach (Arr::dot(Arr::wrap($value)) as $key => $val) {
+                            $groupedKey = Str::of($group)
+                                ->when(is_string($key), fn (Stringable $str) => $str->append(".$key"))
+                                ->toString();
+
+                            $namespacedKey = Str::of($namespace)
+                                ->whenNotEmpty(fn (Stringable $str) => $str->append('::'))
+                                ->append($groupedKey)
+                                ->toString();
+
+                            if (! in_array($namespacedKey, $usedStrings)) {
+                                $unusedStrings[$language][$namespace][$groupedKey] = $val;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        return new Collection($unusedStrings);
+    }
+
+    protected function getTranslationsFromFile(SplFileInfo $file): array
+    {
+        $translations = include $file->getPathname();
+
+        if ($file->getExtension() === 'json') {
+            $translations = json_decode($translations, true);
+        }
+
+        if (! is_array($translations)) {
+            throw new InvalidArgumentException("Unable to extract an array from {$file->getPathname()}!");
+        }
+
+        return $translations;
+    }
+
+    protected function getLanguageKey(SplFileInfo $file, string $language, string $key): string
+    {
+        if ($file->getExtension() === 'json') {
+            return $key;
+        }
+
+        return Str::of($file->getPath())
+            ->finish('/')
+            ->after("/$language/")
+            ->append($file->getFilenameWithoutExtension())
+            ->append('.')
+            ->append($key)
+            ->toString();
+    }
+}
diff --git a/src/Parsers/Parser.php b/src/Parsers/Parser.php
new file mode 100644
index 0000000..d252735
--- /dev/null
+++ b/src/Parsers/Parser.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Fidum\LaravelTranslationLinter\Parsers;
+
+use Fidum\LaravelTranslationLinter\Contracts\Parsers\Parser as ParserContract;
+use Illuminate\Support\Collection;
+use Symfony\Component\Finder\SplFileInfo;
+
+class Parser implements ParserContract
+{
+    public function __construct(private string $pattern)
+    {
+    }
+
+    public function execute(SplFileInfo $file): Collection
+    {
+        $strings = collect();
+
+        $data = $file->getContents();
+
+        if (! preg_match_all($this->pattern, $data, $matches, PREG_OFFSET_CAPTURE)) {
+            // If pattern not found return
+            return $strings;
+        }
+
+        foreach (current($matches) as $match) {
+            preg_match($this->pattern, $match[0], $string);
+
+            $strings->push($string[2]);
+        }
+
+        // Remove duplicates.
+        return $strings->unique();
+    }
+}
diff --git a/testbench.yml b/testbench.yml
new file mode 100644
index 0000000..6e9b79b
--- /dev/null
+++ b/testbench.yml
@@ -0,0 +1 @@
+laravel: ./workbench
diff --git a/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_filters.snap b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_filters.snap
new file mode 100644
index 0000000..f243539
--- /dev/null
+++ b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_filters.snap
@@ -0,0 +1,4 @@
+6 unused translations found
++------+-----------+-----+-------+
+| Lang | Namespace | Key | Value |
++------+-----------+-----+-------+
diff --git a/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_no_fields.snap b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_no_fields.snap
new file mode 100644
index 0000000..c51bfbd
--- /dev/null
+++ b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_no_fields.snap
@@ -0,0 +1 @@
+6 unused translations found
diff --git a/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_no_filters.snap b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_no_filters.snap
new file mode 100644
index 0000000..e5a5bb8
--- /dev/null
+++ b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_no_filters.snap
@@ -0,0 +1,4 @@
+12 unused translations found
++------+-----------+-----+-------+
+| Lang | Namespace | Key | Value |
++------+-----------+-----+-------+
diff --git a/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_restricted_fields.snap b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_restricted_fields.snap
new file mode 100644
index 0000000..e22adfe
--- /dev/null
+++ b/tests/.pest/snapshots/Commands/UnusedCommandTest/it_can_test_with_default_restricted_fields.snap
@@ -0,0 +1,4 @@
+6 unused translations found
++-----------+-----+
+| Namespace | Key |
++-----------+-----+
diff --git a/tests/Commands/UnusedCommandTest.php b/tests/Commands/UnusedCommandTest.php
new file mode 100644
index 0000000..b501e71
--- /dev/null
+++ b/tests/Commands/UnusedCommandTest.php
@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Support\Facades\Artisan;
+
+use function Pest\Laravel\artisan;
+use function Pest\Laravel\withoutMockingConsoleOutput;
+
+it('can test with default filters', function () {
+    withoutMockingConsoleOutput();
+    artisan('translation:unused');
+
+    expect(Artisan::output())->toMatchSnapshot();
+});
+
+it('can test with default no filters', function () {
+    config()->set('translation-linter.unused.filters', []);
+    withoutMockingConsoleOutput();
+    artisan('translation:unused');
+
+    expect(Artisan::output())->toMatchSnapshot();
+});
+
+it('can test with default restricted fields', function () {
+    config()->set('translation-linter.unused.fields.lang', false);
+    config()->set('translation-linter.unused.fields.value', false);
+
+    withoutMockingConsoleOutput();
+    artisan('translation:unused');
+
+    expect(Artisan::output())->toMatchSnapshot();
+});
+
+it('can test with default no fields', function () {
+    config()->set('translation-linter.unused.fields.lang', false);
+    config()->set('translation-linter.unused.fields.namespace', false);
+    config()->set('translation-linter.unused.fields.key', false);
+    config()->set('translation-linter.unused.fields.value', false);
+
+    withoutMockingConsoleOutput();
+    artisan('translation:unused');
+
+    expect(Artisan::output())->toMatchSnapshot();
+});
diff --git a/tests/ExampleTest.php b/tests/ExampleTest.php
deleted file mode 100644
index 5d36321..0000000
--- a/tests/ExampleTest.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-
-it('can test', function () {
-    expect(true)->toBeTrue();
-});
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 4903d8a..c62d904 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -3,34 +3,23 @@
 namespace Fidum\LaravelTranslationLinter\Tests;
 
 use Fidum\LaravelTranslationLinter\LaravelTranslationLinterServiceProvider;
-use Illuminate\Database\Eloquent\Factories\Factory;
 use Orchestra\Testbench\TestCase as Orchestra;
+use Workbench\App\Providers\WorkbenchServiceProvider;
+
+use function Orchestra\Testbench\workbench_path;
 
 class TestCase extends Orchestra
 {
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        Factory::guessFactoryNamesUsing(
-            fn (string $modelName) => 'Fidum\\LaravelTranslationLinter\\Database\\Factories\\'.class_basename($modelName).'Factory'
-        );
-    }
-
     protected function getPackageProviders($app)
     {
         return [
             LaravelTranslationLinterServiceProvider::class,
+            WorkbenchServiceProvider::class,
         ];
     }
 
-    public function getEnvironmentSetUp($app)
+    protected function getEnvironmentSetUp($app)
     {
-        config()->set('database.default', 'testing');
-
-        /*
-        $migration = include __DIR__.'/../database/migrations/create_laravel-translation-linter_table.php.stub';
-        $migration->up();
-        */
+        $app->setBasePath(workbench_path());
     }
 }
diff --git a/workbench/app/Example.php b/workbench/app/Example.php
new file mode 100644
index 0000000..e2fcdcc
--- /dev/null
+++ b/workbench/app/Example.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Workbench\App;
+
+use Illuminate\Support\Facades\Lang;
+
+class Example
+{
+    public function handle()
+    {
+        __('example.used');
+        trans('folder/example.used');
+        trans_choice('example::example.used');
+        Lang::get(
+            'example::folder/example.used'
+        );
+    }
+}
diff --git a/workbench/app/Providers/WorkbenchServiceProvider.php b/workbench/app/Providers/WorkbenchServiceProvider.php
index 001d06d..8717001 100644
--- a/workbench/app/Providers/WorkbenchServiceProvider.php
+++ b/workbench/app/Providers/WorkbenchServiceProvider.php
@@ -2,24 +2,14 @@
 
 namespace Workbench\App\Providers;
 
-use Illuminate\Support\Facades\Route;
 use Illuminate\Support\ServiceProvider;
 
+use function Orchestra\Testbench\workbench_path;
+
 class WorkbenchServiceProvider extends ServiceProvider
 {
-    /**
-     * Register services.
-     */
-    public function register(): void
-    {
-        //
-    }
-
-    /**
-     * Bootstrap services.
-     */
     public function boot(): void
     {
-        Route::view('/', 'welcome');
+        $this->loadTranslationsFrom(workbench_path('/vendor/example/lang'), 'example');
     }
 }
diff --git a/workbench/lang/en/example.php b/workbench/lang/en/example.php
new file mode 100644
index 0000000..b9159bf
--- /dev/null
+++ b/workbench/lang/en/example.php
@@ -0,0 +1,17 @@
+<?php
+
+return [
+    'used' => 'I am used',
+    'unused' => 'I am unused',
+
+    'blade' => [
+        'choice' => [
+            'used' => 'I am used',
+            'unused' => 'I am unused',
+        ],
+        'lang' => [
+            'used' => 'I am used',
+            'unused' => 'I am unused',
+        ],
+    ],
+];
diff --git a/workbench/lang/en/folder/example.php b/workbench/lang/en/folder/example.php
new file mode 100644
index 0000000..b9159bf
--- /dev/null
+++ b/workbench/lang/en/folder/example.php
@@ -0,0 +1,17 @@
+<?php
+
+return [
+    'used' => 'I am used',
+    'unused' => 'I am unused',
+
+    'blade' => [
+        'choice' => [
+            'used' => 'I am used',
+            'unused' => 'I am unused',
+        ],
+        'lang' => [
+            'used' => 'I am used',
+            'unused' => 'I am unused',
+        ],
+    ],
+];
diff --git a/workbench/resources/views/welcome.blade.php b/workbench/resources/views/welcome.blade.php
new file mode 100644
index 0000000..d3bfef6
--- /dev/null
+++ b/workbench/resources/views/welcome.blade.php
@@ -0,0 +1,11 @@
+@lang('example.blade.lang.used')
+@lang('folder/example.blade.lang.used')
+@lang('example::example.blade.lang.used')
+@lang('example::folder/example.blade.lang.used')
+
+@if(true)
+    @choice('example.blade.choice.used', 1)
+    @choice('folder/example.blade.choice.used', 1)
+    @choice('example::example.blade.choice.used', 1)
+    @choice('example::folder/example.blade.choice.used', 1)
+@endif
diff --git a/workbench/vendor/example/lang/en/example.php b/workbench/vendor/example/lang/en/example.php
new file mode 100644
index 0000000..4d5c41d
--- /dev/null
+++ b/workbench/vendor/example/lang/en/example.php
@@ -0,0 +1,17 @@
+<?php
+
+return [
+    'used' => 'I am used in vendor',
+    'unused' => 'I am unused in vendor',
+
+    'blade' => [
+        'choice' => [
+            'used' => 'I am used in vendor',
+            'unused' => 'I am unused in vendor',
+        ],
+        'lang' => [
+            'used' => 'I am used in vendor',
+            'unused' => 'I am unused in vendor',
+        ],
+    ]
+];
diff --git a/workbench/vendor/example/lang/en/folder/example.php b/workbench/vendor/example/lang/en/folder/example.php
new file mode 100644
index 0000000..6b4e2e9
--- /dev/null
+++ b/workbench/vendor/example/lang/en/folder/example.php
@@ -0,0 +1,17 @@
+<?php
+
+return [
+    'used' => 'I am used',
+    'unused' => 'I am unused',
+
+    'blade' => [
+        'choice' => [
+            'used' => 'I am used',
+            'unused' => 'I am unused',
+        ],
+        'lang' => [
+            'used' => 'I am used',
+            'unused' => 'I am unused',
+        ],
+    ]
+];