Encrypt & Lock Files Free

Free file encryption — password-protect documents, images, audio, video and archives with no upload needed. Encrypt and decrypt entirely in your browser.

This tool can put a password on almost any kind of file — not just documents and photos, but audio, video, archives and more — so that only someone with the correct password can open it. It's a simple way to add a layer of protection before sending something sensitive, storing it in the cloud, or saving it somewhere others might have access to. If you already have a file that was locked this way and you know the password, the same tool can unlock it again. Encryption and decryption both happen on your device, so neither the file nor the password ever leaves your computer.

Frequently Asked Questions

What file types can be encrypted?

Any file type is supported — documents, images, audio, video, archives and more.

Is encryption performed locally?

Yes, all encryption and decryption happens on your device. Files and passwords are never uploaded.

What happens if I forget the password?

There is no recovery mechanism — encrypted files cannot be opened without the correct password.

Can I decrypt files encrypted with this tool on another device?

Yes, as long as you have the correct password, the file can be decrypted on any device using this tool.