crypto
Hands-on cryptography

ENCRYPT. HIDE.

A practical introduction to cryptography. Implemented in Rust, compiled to WebAssembly, running entirely in your browser.

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What you'll build

PRACTICES

01

Steganography

Hide secret messages inside images using LSB encoding. Upload a file and embed hidden data invisible to the naked eye.

LSBimagesencoding
The approach

LEARN BY
DOING.

Each practice is implemented in Rust, compiled to WebAssembly, and runs entirely in your browser.

Upload files, transform data, and see results in real time — no servers involved. Understand the algorithms, see them work, and experiment with your own inputs.