Creating 6 free dev tools to bypass signup hurdles taught me valuable lessons

You know that moment when you just want to decode a JWT, but jwt.io wants you to log in to "save your tokens"? Or when you need a quick curl command and Postman's 200MB Electron app feels like overkill? I had that moment too many times in 2025, so over the past year I built 6 small dev tools to repl