Security & DevSecOps
JWT decoder
Decode a JSON Web Token and read its claims, with expiry in plain language. Runs in your browser — the token is never transmitted.
Before you paste
A JWT is a credential. This page decodes it entirely in your browser and sends nothing anywhere — but treat any token you paste into any website as compromised, and rotate it. Use an expired or test token where you can.
More in this category
These exist because the underlying problem is real. If the numbers you just put in look uncomfortable, that is usually worth a conversation.
Stay ahead of the integration layer.
Integronauts Signal — practical enterprise integration, API and agentic AI thinking. The tools stay free either way.
Integronauts Signal is launching soon.
Practical enterprise integration, APIs, agentic AI and emerging architecture. Sign-up opens when the list does — nothing to enter yet.