About ScriptSpot

I'm Danny Vargas, a software developer, and I built ScriptSpot because I was tired of the state of "free online developer tools." Search for a JSON formatter or a JWT decoder and you land on a page buried in pop-ups, or — worse for a tool you're about to paste an auth token into — one that quietly ships your input off to a server. I wanted a small set of everyday utilities that are fast, honest about what they do, and safe to use with real data.

So every tool here runs entirely in your browser. There's no backend: formatting, encoding, hashing, and decoding all happen locally using your browser's own built-in APIs — JSON.parse, the Web Crypto SubtleCrypto interface, TextEncoder, the native RegExp engine, and the Date object. Nothing you type is logged, stored, or transmitted, which means you can paste API keys, JWTs, and config files without thinking twice. After the first load, the tools even keep working offline.

There are seven tools right now — a JSON formatter, Base64 encoder/decoder, regex tester, UUID generator, epoch/Unix timestamp converter, JWT decoder, and hash generator — and each has a short write-up explaining not just how to use it but how it actually works under the hood, because I find those tools more trustworthy when I understand what they're doing. I maintain this myself and keep the explanations accurate as the underlying browser APIs evolve.

Found a bug, hit an edge case, or want a tool added? I'd genuinely like to hear about it — get in touch.