Every developer has a list of tools they depend on. Some are heavy IDEs, others are quick utilities you need at 2 AM when debugging. If your list includes 10 different SaaS sites you've bookmarked, it's time to consolidate.
I've been there—hunting through browser bookmarks for that one formatter tool, only to realize I bookmarked the wrong site. That's why having a single, reliable hub for developer utilities is a game-changer. In this post, I'll share 10 essential free tools that belong in your toolkit, all accessible instantly, no signup required.
1. JWT Decoder — Unlock Authentication Debugging
JWT tokens are everywhere in modern APIs. But reading them is painful—they're long base64 strings that tell you nothing at a glance.
A JWT decoder lets you paste a token and instantly see its payload, header, and signature. You can debug token expiration, verify claims, and spot typos in your auth logic in seconds.
