diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index 39974f827a..0a02c452d6 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -4,7 +4,8 @@
     ->exclude('assets')
     ->exclude('utils')
     ->in(__DIR__)
-    ->name('*.phtml');
+    ->name('*.phtml')
+    ->name('selfoss');
 
 $rules = [
     '@Symfony' => true,
diff --git a/bin/selfoss b/bin/selfoss
new file mode 100755
index 0000000000..aec9f7b940
--- /dev/null
+++ b/bin/selfoss
@@ -0,0 +1,20 @@
+#!/usr/bin/env php
+<?php
+
+require __DIR__ . '/../src/common.php';
+
+use Commands\Database\ExportCommand as DatabaseExportCommand;
+use Commands\Database\ImportCommand as DatabaseImportCommand;
+use Monolog\Handler\StreamHandler;
+use Symfony\Component\Console\Application;
+
+$application = new Application();
+
+$log->popHandler();
+$handler = new StreamHandler('php://stderr');
+$log->pushHandler($handler);
+
+$application->add($dice->create(DatabaseExportCommand::class));
+$application->add($dice->create(DatabaseImportCommand::class));
+
+$application->run();
diff --git a/composer.json b/composer.json
index 5e8b66e638..93cbdfd5d7 100644
--- a/composer.json
+++ b/composer.json
@@ -22,6 +22,7 @@
         "php-http/guzzle6-adapter": "^1.0",
         "simplepie/simplepie": "^1.3",
         "smottt/wideimage": "^1.1",
+        "symfony/console": "^3.4",
         "violet/streaming-json-encoder": "^1.1",
         "willwashburn/phpamo": "^1.0"
     },
@@ -39,6 +40,7 @@
     ],
     "autoload": {
         "psr-4": {
+            "Commands\\": "src/Commands/",
             "controllers\\": "src/controllers/",
             "daos\\": "src/daos/",
             "helpers\\": "src/helpers/",
diff --git a/composer.lock b/composer.lock
index 484bc1a6af..a7b98ed84f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "8b4e7b3be490c10b0bd0c4d63df28d61",
+    "content-hash": "4a5de52ba0c4702029fecf2d24acd6f2",
     "packages": [
         {
             "name": "bcosca/fatfree-core",
@@ -2209,6 +2209,158 @@
             },
             "time": "2021-01-09T15:26:41+00:00"
         },
+        {
+            "name": "symfony/console",
+            "version": "v3.4.47",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/console.git",
+                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/console/zipball/a10b1da6fc93080c180bba7219b5ff5b7518fe81",
+                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/debug": "~2.8|~3.0|~4.0",
+                "symfony/polyfill-mbstring": "~1.0"
+            },
+            "conflict": {
+                "symfony/dependency-injection": "<3.4",
+                "symfony/process": "<3.3"
+            },
+            "provide": {
+                "psr/log-implementation": "1.0"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/config": "~3.3|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+                "symfony/lock": "~3.4|~4.0",
+                "symfony/process": "~3.3|~4.0"
+            },
+            "suggest": {
+                "psr/log": "For using the console logger",
+                "symfony/event-dispatcher": "",
+                "symfony/lock": "",
+                "symfony/process": ""
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Console\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Console Component",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/console/tree/v3.4.47"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-24T10:57:07+00:00"
+        },
+        {
+            "name": "symfony/debug",
+            "version": "v3.4.47",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/debug.git",
+                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
+                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "psr/log": "~1.0"
+            },
+            "conflict": {
+                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+            },
+            "require-dev": {
+                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Debug\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Debug Component",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/debug/tree/v3.4.47"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-24T10:57:07+00:00"
+        },
         {
             "name": "symfony/finder",
             "version": "v3.4.47",
@@ -4717,158 +4869,6 @@
             },
             "time": "2016-10-03T07:35:21+00:00"
         },
-        {
-            "name": "symfony/console",
-            "version": "v3.4.47",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/console.git",
-                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/a10b1da6fc93080c180bba7219b5ff5b7518fe81",
-                "reference": "a10b1da6fc93080c180bba7219b5ff5b7518fe81",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/debug": "~2.8|~3.0|~4.0",
-                "symfony/polyfill-mbstring": "~1.0"
-            },
-            "conflict": {
-                "symfony/dependency-injection": "<3.4",
-                "symfony/process": "<3.3"
-            },
-            "provide": {
-                "psr/log-implementation": "1.0"
-            },
-            "require-dev": {
-                "psr/log": "~1.0",
-                "symfony/config": "~3.3|~4.0",
-                "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
-                "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.3|~4.0"
-            },
-            "suggest": {
-                "psr/log": "For using the console logger",
-                "symfony/event-dispatcher": "",
-                "symfony/lock": "",
-                "symfony/process": ""
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Console\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Console Component",
-            "homepage": "https://symfony.com",
-            "support": {
-                "source": "https://github.com/symfony/console/tree/v3.4.47"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-10-24T10:57:07+00:00"
-        },
-        {
-            "name": "symfony/debug",
-            "version": "v3.4.47",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
-                "reference": "ab42889de57fdfcfcc0759ab102e2fd4ea72dcae",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/log": "~1.0"
-            },
-            "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
-            },
-            "require-dev": {
-                "symfony/http-kernel": "~2.8|~3.0|~4.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Debug Component",
-            "homepage": "https://symfony.com",
-            "support": {
-                "source": "https://github.com/symfony/debug/tree/v3.4.47"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-10-24T10:57:07+00:00"
-        },
         {
             "name": "symfony/event-dispatcher",
             "version": "v3.4.47",
diff --git a/src/Commands/Database/ExportCommand.php b/src/Commands/Database/ExportCommand.php
new file mode 100644
index 0000000000..2d4eb5559e
--- /dev/null
+++ b/src/Commands/Database/ExportCommand.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Commands\Database;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ExportCommand extends Command {
+    protected static $defaultName = 'db:export';
+    protected static $defaultDescription = 'Exports the database contents into a JSON file.';
+
+    /** @var \daos\DatabaseInterface database object to create the tables */
+    private $database;
+
+    /** @var \daos\Items */
+    private $items;
+
+    /** @var \daos\Sources */
+    private $sources;
+
+    /** @var \daos\Tags */
+    private $tags;
+
+    public function __construct(\daos\DatabaseInterface $database, \daos\Items $items, \daos\Sources $sources, \daos\Tags $tags) {
+        $this->database = $database;
+        $this->items = $items;
+        $this->sources = $sources;
+        $this->tags = $tags;
+
+        parent::__construct();
+    }
+
+    protected function configure() {
+        $this->addArgument('path', InputArgument::REQUIRED, 'Path to file to export the database to.');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        $data = [
+            'schemaVersion' => $this->database->getSchemaVersion(),
+            'tags' => $this->tags->getRaw(),
+            'sources' => $this->sources->getRaw(),
+            'items' => $this->items->getRaw(),
+        ];
+
+        file_put_contents($input->getArgument('path'), json_encode($data));
+    }
+}
diff --git a/src/Commands/Database/ImportCommand.php b/src/Commands/Database/ImportCommand.php
new file mode 100644
index 0000000000..89577f3ccf
--- /dev/null
+++ b/src/Commands/Database/ImportCommand.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace Commands\Database;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ImportCommand extends Command {
+    protected static $defaultName = 'db:import';
+    protected static $defaultDescription = 'Imports the database contents from a JSON file.';
+
+    /** @var \daos\DatabaseInterface database object to create the tables */
+    private $database;
+
+    /** @var \daos\Items */
+    private $items;
+
+    /** @var \daos\Sources */
+    private $sources;
+
+    /** @var \daos\Tags */
+    private $tags;
+
+    public function __construct(\daos\DatabaseInterface $database, \daos\Items $items, \daos\Sources $sources, \daos\Tags $tags) {
+        $this->database = $database;
+        $this->items = $items;
+        $this->sources = $sources;
+        $this->tags = $tags;
+
+        parent::__construct();
+    }
+
+    protected function configure() {
+        $this->addArgument('path', InputArgument::REQUIRED, 'Path to file to import the database from.');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        $data = json_decode(file_get_contents($input->getArgument('path')), true);
+
+        $currentDbSchemaVersion = $this->database->getSchemaVersion();
+
+        if ($data['schemaVersion'] !== $currentDbSchemaVersion) {
+            $output->writeln('<comment>The database schema version of the current selfoss installation does not match the installation the data was exported from, which may cause issues. For best compatibility, upgrade ' . ($data['schemaVersion'] < $currentDbSchemaVersion ? 'the source selfoss' : 'this selfoss') . ' installation before importing.</comment>');
+        }
+
+        $this->tags->insertRaw($data['tags']);
+        $this->sources->insertRaw($data['sources']);
+        $this->items->insertRaw($data['items']);
+    }
+}
diff --git a/src/daos/CommonSqlDatabase.php b/src/daos/CommonSqlDatabase.php
index c34583723a..6f8d3ef162 100644
--- a/src/daos/CommonSqlDatabase.php
+++ b/src/daos/CommonSqlDatabase.php
@@ -43,4 +43,24 @@ public function getSchemaVersion() {
 
         return (int) $version[0]['version'];
     }
+
+    /**
+     * Insert raw table data into given table.
+     *
+     * @param string $table target database table
+     * @param string[] $fields column names
+     * @param array[] $data rows to insert
+     */
+    public function insertRaw($table, array $fields, array $data) {
+        $fieldsSql = implode(', ', $fields);
+        $valuesSql = implode(', ', array_map(function($field) {
+            return ":$field";
+        }, $fields));
+        $values = [];
+        foreach ($fields as $field) {
+            $values[":$field"] = $data[$field];
+        }
+
+        $this->exec("insert into $table($fieldsSql) values($valuesSql)", $values);
+    }
 }
diff --git a/src/daos/DatabaseInterface.php b/src/daos/DatabaseInterface.php
index 61c6815aee..d7bedc8b65 100644
--- a/src/daos/DatabaseInterface.php
+++ b/src/daos/DatabaseInterface.php
@@ -31,6 +31,15 @@ public function exec($cmds, $args = null);
      */
     public function insert($query, array $params);
 
+    /**
+     * Insert raw table data into given table.
+     *
+     * @param string $table target database table
+     * @param string[] $fields column names
+     * @param array[] $data rows to insert
+     */
+    public function insertRaw($table, array $fields, array $data);
+
     /**
      * Quote string
      *
diff --git a/src/daos/ItemsInterface.php b/src/daos/ItemsInterface.php
index 54889c0dae..27c6ee7322 100644
--- a/src/daos/ItemsInterface.php
+++ b/src/daos/ItemsInterface.php
@@ -214,4 +214,18 @@ public function statuses(DateTime $since);
      * @return void
      */
     public function bulkStatusUpdate(array $statuses);
+
+    /**
+     * returns raw items table contents
+     *
+     * @return array[] of all items
+     */
+    public function getRaw();
+
+    /**
+     * inserts raw data into items table
+     *
+     * @param array[] $items
+     */
+    public function insertRaw(array $items);
 }
diff --git a/src/daos/SourcesInterface.php b/src/daos/SourcesInterface.php
index e9a65f74aa..9ea32d897f 100644
--- a/src/daos/SourcesInterface.php
+++ b/src/daos/SourcesInterface.php
@@ -130,4 +130,18 @@ public function getTags($id);
      * @return int id if any record is found
      */
     public function checkIfExists($title, $spout, array $params);
+
+    /**
+     * returns raw sources table contents
+     *
+     * @return array[] of all sources
+     */
+    public function getRaw();
+
+    /**
+     * inserts raw data into sources table
+     *
+     * @param array[] $sources
+     */
+    public function insertRaw(array $sources);
 }
diff --git a/src/daos/TagsInterface.php b/src/daos/TagsInterface.php
index 5a2c13c0ac..748bf0673e 100644
--- a/src/daos/TagsInterface.php
+++ b/src/daos/TagsInterface.php
@@ -65,4 +65,18 @@ public function hasTag($tag);
      * @return void
      */
     public function delete($tag);
+
+    /**
+     * returns raw tags table contents
+     *
+     * @return array[] of all tags
+     */
+    public function getRaw();
+
+    /**
+     * inserts raw data into tags table
+     *
+     * @param array[] $tags
+     */
+    public function insertRaw(array $tags);
 }
diff --git a/src/daos/mysql/Items.php b/src/daos/mysql/Items.php
index 9e1795e960..c6ae38f092 100644
--- a/src/daos/mysql/Items.php
+++ b/src/daos/mysql/Items.php
@@ -738,4 +738,31 @@ public function bulkStatusUpdate(array $statuses) {
             $this->database->commit();
         }
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRaw() {
+        $stmt = static::$stmt;
+        $items = $this->database->exec('select * from items');
+
+        return $stmt::ensureRowTypes($items, [
+            'id' => DatabaseInterface::PARAM_INT,
+            'datetime' => DatabaseInterface::PARAM_DATETIME,
+            'unread' => DatabaseInterface::PARAM_BOOL,
+            'starred' => DatabaseInterface::PARAM_BOOL,
+            'source' => DatabaseInterface::PARAM_INT,
+            'tags' => DatabaseInterface::PARAM_CSV,
+            'updatetime' => DatabaseInterface::PARAM_DATETIME,
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function insertRaw(array $items) {
+        foreach ($items as $item) {
+            $this->database->insertRaw('items', ['id', 'datetime', 'title', 'content', 'thumbnail', 'icon', 'unread', 'starred', 'source', 'uid', 'link', 'updatetime', 'author', 'shared', 'lastseen'], $item);
+        }
+    }
 }
diff --git a/src/daos/mysql/Sources.php b/src/daos/mysql/Sources.php
index 46a115b342..30b332d6e2 100644
--- a/src/daos/mysql/Sources.php
+++ b/src/daos/mysql/Sources.php
@@ -304,4 +304,26 @@ public function checkIfExists($title, $spout, array $params) {
 
         return 0;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRaw() {
+        $stmt = static::$stmt;
+        $sources = $this->database->exec('select * from sources');
+
+        return $stmt::ensureRowTypes($sources, [
+            'id' => DatabaseInterface::PARAM_INT,
+            'tags' => DatabaseInterface::PARAM_CSV,
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function insertRaw(array $sources) {
+        foreach ($sources as $source) {
+            $this->database->insertRaw('sources', ['id', 'title', 'tags', 'filter', 'spout', 'params', 'error', 'lastupdate', 'lastentry'], $source);
+        }
+    }
 }
diff --git a/src/daos/mysql/Tags.php b/src/daos/mysql/Tags.php
index d99344732e..d2c82119f6 100644
--- a/src/daos/mysql/Tags.php
+++ b/src/daos/mysql/Tags.php
@@ -165,4 +165,20 @@ public function hasTag($tag) {
     public function delete($tag) {
         $this->database->exec('DELETE FROM ' . $this->configuration->dbPrefix . 'tags WHERE tag=:tag', [':tag' => $tag]);
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRaw() {
+        return $this->database->exec('select * from tags');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function insertRaw(array $tags) {
+        foreach ($tags as $tag) {
+            $this->database->insertRaw('tags', ['tag', 'color'], $tag);
+        }
+    }
 }