Security Tools

Free, browser-based JWT Decoder, Base64 encoder, and ID Generator. 100% Client-Side and Privacy-First.

Base64

Plain text input

JWT Decoder

Paste JWT token

Decoded locally in your browser — token never leaves your device.

ID Generator

Type

Count

Generated client-side using crypto.getRandomValues — no server calls.

100% Client-Side • Privacy-First — nothing leaves your browser.