Custom Cipher System

Transform text
into secret codes.

A browser-only encoder and decoder built on a custom cipher. No server. No storage. Just the algorithm.

No account requiredFree foreverOpen source

What it does

4 core features

01

Secure Encoding

Custom cipher transforms text into unreadable codes. Case-sensitive, unique per character.

02

Real-time Output

Instant processing as you type. No server, no latency. Pure client-side.

03

Two-way Conversion

Switch between encode and decode in the same interface with a single click.

04

Fully Private

Nothing leaves your browser. No logging, no storage, no tracking. Ever.