diff --git a/scripts/parse-facebook-cookies.ts b/scripts/parse-facebook-cookies.ts
new file mode 100644
index 0000000..9800a36
--- /dev/null
+++ b/scripts/parse-facebook-cookies.ts
@@ -0,0 +1,180 @@
+#!/usr/bin/env bun
+
+/**
+ * Facebook Cookie Parser CLI
+ *
+ * Parses Facebook cookie strings into JSON format for the marketplace scraper
+ *
+ * Usage:
+ *   bun run scripts/parse-facebook-cookies.ts "c_user=123; xs=abc"
+ *   bun run scripts/parse-facebook-cookies.ts --input cookies.txt
+ *   echo "c_user=123; xs=abc" | bun run scripts/parse-facebook-cookies.ts
+ *   bun run scripts/parse-facebook-cookies.ts "cookie_string" --output my-cookies.json
+ */
+
+import { parseFacebookCookieString } from '../src/facebook';
+
+interface Cookie {
+	name: string;
+	value: string;
+	domain: string;
+	path: string;
+	secure?: boolean;
+	httpOnly?: boolean;
+	sameSite?: "strict" | "lax" | "none" | "unspecified";
+	expirationDate?: number;
+	storeId?: string;
+}
+
+function parseFacebookCookieStringCLI(cookieString: string): Cookie[] {
+	if (!cookieString || !cookieString.trim()) {
+		console.error('❌ Error: Empty or invalid cookie string provided');
+		process.exit(1);
+	}
+
+	const cookies = parseFacebookCookieString(cookieString);
+
+	if (cookies.length === 0) {
+		console.error('❌ Error: No valid cookies found in input string');
+		console.error('Expected format: "name1=value1; name2=value2;"');
+		process.exit(1);
+	}
+
+	return cookies;
+}
+
+async function main() {
+	const args = process.argv.slice(2);
+
+	if (args.length === 0 && process.stdin.isTTY === false) {
+		// Read from stdin
+		let input = '';
+		for await (const chunk of process.stdin) {
+			input += chunk;
+		}
+		input = input.trim();
+
+		if (!input) {
+			console.error('❌ Error: No input provided via stdin');
+			process.exit(1);
+		}
+
+		const cookies = parseFacebookCookieStringCLI(input);
+		await writeOutput(cookies, './cookies/facebook.json');
+		return;
+	}
+
+	let cookieString = '';
+	let outputPath = './cookies/facebook.json';
+	let inputPath = '';
+
+	// Parse command line arguments
+	for (let i = 0; i < args.length; i++) {
+		const arg = args[i];
+
+		if (arg === '--input' || arg === '-i') {
+			inputPath = args[i + 1];
+			i++; // Skip next arg
+		} else if (arg === '--output' || arg === '-o') {
+			outputPath = args[i + 1];
+			i++; // Skip next arg
+		} else if (arg === '--help' || arg === '-h') {
+			showHelp();
+			return;
+		} else if (!arg.startsWith('-')) {
+			// Assume this is the cookie string
+			cookieString = arg;
+		} else {
+			console.error(`❌ Unknown option: ${arg}`);
+			showHelp();
+			process.exit(1);
+		}
+	}
+
+	// Read from file if specified
+	if (inputPath) {
+		try {
+			const file = Bun.file(inputPath);
+			if (!(await file.exists())) {
+				console.error(`❌ Error: Input file not found: ${inputPath}`);
+				process.exit(1);
+			}
+			cookieString = await file.text();
+		} catch (error) {
+			console.error(`❌ Error reading input file: ${error}`);
+			process.exit(1);
+		}
+	}
+
+	if (!cookieString.trim()) {
+		console.error('❌ Error: No cookie string provided');
+		console.error('Provide cookie string as argument, --input file, or via stdin');
+		showHelp();
+		process.exit(1);
+	}
+
+	const cookies = parseFacebookCookieStringCLI(cookieString);
+	await writeOutput(cookies, outputPath);
+}
+
+async function writeOutput(cookies: Cookie[], outputPath: string) {
+	try {
+		await Bun.write(outputPath, JSON.stringify(cookies, null, 2));
+		console.log(`✅ Successfully parsed ${cookies.length} Facebook cookies`);
+		console.log(`📁 Saved to: ${outputPath}`);
+
+		// Show summary of parsed cookies
+		console.log('\n📋 Parsed cookies:');
+		for (const cookie of cookies) {
+			console.log(`   • ${cookie.name}: ${cookie.value.substring(0, 20)}${cookie.value.length > 20 ? '...' : ''}`);
+		}
+
+	} catch (error) {
+		console.error(`❌ Error writing to output file: ${error}`);
+		process.exit(1);
+	}
+}
+
+function showHelp() {
+	console.log(`
+Facebook Cookie Parser CLI
+
+Parses Facebook cookie strings into JSON format for the marketplace scraper.
+
+USAGE:
+  bun run scripts/parse-facebook-cookies.ts [OPTIONS] [COOKIE_STRING]
+
+EXAMPLES:
+  # Parse from command line argument
+  bun run scripts/parse-facebook-cookies.ts "c_user=123; xs=abc"
+
+  # Parse from file
+  bun run scripts/parse-facebook-cookies.ts --input cookies.txt
+
+  # Parse from stdin
+  echo "c_user=123; xs=abc" | bun run scripts/parse-facebook-cookies.ts
+
+  # Output to custom file
+  bun run scripts/parse-facebook-cookies.ts "cookie_string" --output my-cookies.json
+
+OPTIONS:
+  -i, --input FILE     Read cookie string from file
+  -o, --output FILE    Output file path (default: ./cookies/facebook.json)
+  -h, --help           Show this help message
+
+COOKIE FORMAT:
+  Semicolon-separated name=value pairs
+  Example: "c_user=123456789; xs=abcdef123456; fr=xyz789"
+
+OUTPUT:
+  JSON array of cookie objects saved to ./cookies/facebook.json
+`);
+}
+
+// Run the CLI
+if (import.meta.main) {
+	main().catch(error => {
+		console.error(`❌ Unexpected error: ${error}`);
+		process.exit(1);
+	});
+}
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