Why should you never paste production JWTs into typical websites?
Production JWT tokens often carry confidential user IDs, scopes, email addresses, and session permissions. Third-party decoders can intercept or log these tokens. TabKit decodes Base64URL strictly in client memory without external requests.
Privacy & Local-First Philosophy
TabKit Tools executes every transformation strictly in client memory. By executing on your device, you get zero latency, complete protection against data breaches, and full offline availability.