You're in the middle of debugging a production issue. You need to quickly decode a JWT token. You Google it, click the first result, and — "Sign up to continue."

We've all been there.

That frustration is exactly why I built ZeroApiTools — a collection of 67+ developer tools that run 100% in your browser. No account. No ads. No data leaving your machine. Ever.

The Problem With Most Online Dev Tools

Let's be honest about what's wrong with the current landscape: