You're using the installed app. For offline use, download IttyBitz as a single HTML file — double-click it and it opens right here in your browser, no install. Download it
Want to run IttyBitz offline? Download it and open the file — it runs right here in your browser, no install. Download

IttyBitz

Encrypt everything. Trust nothing.

Client-side encryption that never leaves your browser. Open source. No accounts. No servers. Recoverable without us.

Drop a file here

or click to browse · 100 MB max

AES-256-GCM

Military-grade encryption with 1M iteration key derivation.

100% Client-Side

Nothing leaves your browser. No servers, no uploads, no tracking.

Recoverable without us

A 27 KB decrypt-only file opens your data even if this site, this project and its author are gone. Save it next to your encrypted files.

Download the recovery tool

QR Code

Master fingerprint —