local · in-browser

Hide any file inside a PNG.

Files are packed into raw pixel data, optionally sealed with AES-GCM encryption. Everything happens in your browser — nothing is uploaded.

Secure & hide

Choose a file… any type · any size your browser can hold

Encryption password (optional)

Extract & reveal

Choose a vault PNG… a PNG created by this tool

Decryption password

System standby

Prefer the command line? A standalone Python version lives at /projects/encode/py.