Password protect and encrypt ZIP archives online using ZipCrypto or secure AES-256 encryption. Fast, free, runs locally in your browser.
Upload files or folders that you want to encrypt securely.
Enter a strong password and choose your preferred encryption method (AES-256 or ZipCrypto).
Click 'Encrypt & Protect' to generate and download your password-protected ZIP archive.
Your data is processed entirely inside your browser using client-side JavaScript. Nothing ever travels over a network to any server — making BunchTool the most private option available.
Because everything runs locally in your browser, there are no upload queues or server wait times. Results appear in seconds regardless of your internet speed — or even without any connection at all.
Apply industry-standard AES-256 or legacy ZipCrypto encryption to safeguard sensitive documents, keeping your private assets secure from unauthorized viewing.