diff --git a/examples/android/languine.config.ts b/examples/android/languine.config.mjs
similarity index 67%
rename from examples/android/languine.config.ts
rename to examples/android/languine.config.mjs
index a1f072f..85ca54f 100644
--- a/examples/android/languine.config.ts
+++ b/examples/android/languine.config.mjs
@@ -1,7 +1,5 @@
-import { defineConfig } from "languine";
-
-export default defineConfig({
-  version: "0.6.7",
+export default {
+  version: "0.6.8",
   locale: {
     source: "en",
     targets: ["es"],
@@ -15,4 +13,4 @@ export default defineConfig({
     provider: "openai",
     model: "gpt-4-turbo",
   },
-});
+};
diff --git a/packages/cli/package.json b/packages/cli/package.json
index a620ac3..73300da 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "languine",
-  "version": "0.6.7",
+  "version": "0.6.8",
   "type": "module",
   "bin": "dist/index.js",
   "main": "dist/config.js",
diff --git a/packages/cli/src/commands/init.ts b/packages/cli/src/commands/init.ts
index fd9d213..7108108 100644
--- a/packages/cli/src/commands/init.ts
+++ b/packages/cli/src/commands/init.ts
@@ -6,7 +6,7 @@ import chalk from "chalk";
 import { installDependencies } from "../install.js";
 import { providers } from "../providers.js";
 import type { PresetOptions, Provider } from "../types.js";
-import { configPath } from "../utils.js";
+import { configFile, generateConfig } from "../utils.js";
 
 async function createDirectoryOrFile(filePath: string, isDirectory = false) {
   try {
@@ -78,6 +78,19 @@ export async function init(preset?: string) {
 
   intro("Let's set up your i18n configuration");
 
+  const configType = (await select({
+    message: "What type of config file would you like to use?",
+    options: [
+      { value: "ts", label: "TypeScript", hint: "recommended" },
+      { value: "mjs", label: "JavaScript" },
+    ],
+  })) as "ts" | "mjs";
+
+  // Install dependencies only if we're using TypeScript for types in config
+  if (configType === "ts") {
+    await installDependencies();
+  }
+
   const sourceLanguage = (await select({
     message: "What is your source language?",
     options: [
@@ -169,27 +182,16 @@ export async function init(preset?: string) {
     message: "Which model should be used for translations?",
     options: models,
   })) as string;
-  const configContent = `import { defineConfig } from "languine";
-
-export default defineConfig({
-  version: "${require("../../package.json").version}",
-  locale: {
-    source: "${sourceLanguage}",
-    targets: ${JSON.stringify(targetLanguages.split(",").map((l) => l.trim()))},
-  },
-  files: {
-    ${fileFormat.includes("-") ? `"${fileFormat}"` : fileFormat}: {
-      include: ${JSON.stringify(filesPatterns)},
-    },
-  },
-  llm: {
-    provider: "${provider}",
-    model: "${model}",
-  },
-})`;
-
-  // Install dependencies
-  await installDependencies();
+  const configContent = generateConfig({
+    version: require("../../package.json").version,
+    sourceLanguage,
+    targetLanguages: targetLanguages.split(",").map((l) => l.trim()),
+    fileFormat,
+    filesPatterns,
+    provider,
+    model,
+    configType,
+  });
 
   try {
     const targetLangs = [
@@ -217,7 +219,8 @@ export default defineConfig({
     }
 
     // Write config file
-    await fs.writeFile(configPath, configContent);
+    const { path: configPath } = await configFile(configType);
+    await fs.writeFile(configPath, configContent, "utf-8");
     outro(
       "Configuration file and language files/directories created successfully!",
     );
diff --git a/packages/cli/src/commands/instructions.ts b/packages/cli/src/commands/instructions.ts
index 0f09c9b..3428216 100644
--- a/packages/cli/src/commands/instructions.ts
+++ b/packages/cli/src/commands/instructions.ts
@@ -1,7 +1,7 @@
 import fs from "node:fs/promises";
 import { intro, outro, text } from "@clack/prompts";
 import chalk from "chalk";
-import { configPath, getConfig } from "../utils.js";
+import { configFile, getConfig } from "../utils.js";
 
 export async function instructions() {
   intro("Let's customize your translation prompt");
@@ -22,6 +22,7 @@ export async function instructions() {
     config.instructions = customInstructions as string;
 
     // Write updated config
+    const { path: configPath } = await configFile();
     await fs.writeFile(configPath, JSON.stringify(config, null, 2), "utf-8");
 
     outro(chalk.green("Translation prompt updated successfully!"));
diff --git a/packages/cli/src/index.ts b/packages/cli/src/index.ts
index 5028e08..fcd0691 100644
--- a/packages/cli/src/index.ts
+++ b/packages/cli/src/index.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 import "./envs.js";
-import { select } from "@clack/prompts";
+import { isCancel, select } from "@clack/prompts";
 import chalk from "chalk";
 import dedent from "dedent";
 import { clean } from "./commands/clean.js";
@@ -46,6 +46,10 @@ const command =
     ],
   }));
 
+if (isCancel(command)) {
+  process.exit(0);
+}
+
 const targetLocale = process.argv[3];
 const preset = process.argv.includes("--preset")
   ? process.argv[process.argv.indexOf("--preset") + 1]
@@ -53,15 +57,15 @@ const preset = process.argv.includes("--preset")
 const force = process.argv.includes("--force") || process.argv.includes("-f");
 
 if (command === "init") {
-  init(preset);
+  await init(preset);
 } else if (command === "translate") {
-  translate(targetLocale, force);
+  await translate(targetLocale, force);
 } else if (command === "instructions") {
-  instructions();
+  await instructions();
 } else if (command === "diff") {
-  diff();
+  await diff();
 } else if (command === "clean") {
-  clean();
+  await clean();
 } else if (command === "available") {
   console.log(dedent`
     ${chalk.cyan("init")}          Initialize a new Languine configuration
diff --git a/packages/cli/src/install.ts b/packages/cli/src/install.ts
index ac3fe62..8d24495 100644
--- a/packages/cli/src/install.ts
+++ b/packages/cli/src/install.ts
@@ -5,15 +5,15 @@ export async function installDependencies() {
   const s = spinner();
 
   try {
-    s.start("Installing dependencies...");
+    s.start("Installing Languine as a dev dependency...");
 
     const pm = await findPreferredPM();
 
     await execAsync(`${pm?.name} install languine -D`);
 
-    s.stop("Dependencies installed successfully");
+    s.stop("Languine installed successfully");
   } catch (error) {
-    s.stop("Failed to install dependencies");
+    s.stop("Failed to install Languine");
     throw error;
   }
 }
diff --git a/packages/cli/src/utils.ts b/packages/cli/src/utils.ts
index e735595..b38f40a 100644
--- a/packages/cli/src/utils.ts
+++ b/packages/cli/src/utils.ts
@@ -9,6 +9,8 @@ import type { Jiti } from "jiti";
 import preferredPM from "preferred-pm";
 import type { Config } from "./types.js";
 
+const CONFIG_NAME = "languine.config";
+
 export async function getApiKey(name: string, key: string) {
   if (key in process.env) {
     return process.env[key];
@@ -62,27 +64,84 @@ export async function getApiKey(name: string, key: string) {
   })();
 }
 
-export const configPath = path.join(process.cwd(), "languine.config.ts");
-const name = "languine.config";
+export function generateConfig({
+  version,
+  sourceLanguage,
+  targetLanguages,
+  fileFormat,
+  filesPatterns,
+  provider,
+  model,
+  configType,
+}: {
+  version: string;
+  sourceLanguage: string;
+  targetLanguages: string[];
+  fileFormat: string;
+  filesPatterns: string[];
+  provider: string;
+  model: string;
+  configType: "ts" | "mjs";
+}) {
+  const formatKey = fileFormat.includes("-") ? `"${fileFormat}"` : fileFormat;
+
+  const configBody = `{
+  version: "${version}",
+  locale: {
+    source: "${sourceLanguage}",
+    targets: [${targetLanguages.map((l) => `"${l}"`).join(", ")}],
+  },
+  files: {
+    ${formatKey}: {
+      include: [${filesPatterns.map((p) => `"${p}"`).join(", ")}],
+    }
+  },
+  llm: {
+    provider: "${provider}",
+    model: "${model}",
+  }
+}`;
 
-let jiti: Jiti | undefined;
+  if (configType === "mjs") {
+    return `export default ${configBody}`;
+  }
 
-export async function getConfig(): Promise<Config> {
-  let config: Config;
-  let target: string | undefined;
+  return `import { defineConfig } from "languine";
+
+export default defineConfig(${configBody})`;
+}
+
+export async function configFile(configType?: "ts" | "mjs") {
   const files = await fs.readdir(process.cwd());
+  const configFile = files.find(
+    (file: string) =>
+      file.startsWith(`${CONFIG_NAME}.`) &&
+      (file.endsWith(".ts") || file.endsWith(".mjs")),
+  );
+
+  // If configType is specified, use that
+  // Otherwise try to detect from existing file, falling back to ts
+  const format = configType || (configFile?.endsWith(".mjs") ? "mjs" : "ts");
+  const filePath = path.join(
+    process.cwd(),
+    configFile || `${CONFIG_NAME}.${format}`,
+  );
+
+  return {
+    path: filePath,
+    format,
+  };
+}
 
-  for (const file of files) {
-    if (file.startsWith(`${name}.`)) {
-      target = path.resolve(file);
-      break;
-    }
-  }
+let jiti: Jiti | undefined;
+
+export async function getConfig(): Promise<Config> {
+  const { path: filePath, format } = await configFile();
 
-  if (!target) {
+  if (!filePath) {
     outro(
       chalk.red(
-        "Could not find languine.config.ts. Run 'languine init' first.",
+        `Could not find ${CONFIG_NAME}.${format}. Run 'languine init' first.`,
       ),
     );
 
@@ -90,7 +149,7 @@ export async function getConfig(): Promise<Config> {
   }
 
   try {
-    const configModule = await import(pathToFileURL(target).href);
+    const configModule = await import(pathToFileURL(filePath).href);
     return configModule.default;
   } catch (error) {
     const { createJiti } = await import("jiti");
@@ -105,7 +164,7 @@ export async function getConfig(): Promise<Config> {
     });
 
     return await jiti
-      .import(target)
+      .import(filePath)
       .then((mod) => (mod as unknown as { default: Config }).default);
   }
 }