Utility Hub

Utility Hub: free developer utility tools

Fast, no-login tools for everyday development tasks — format JSON, encode data, convert text, and more, right in your browser.

All tools

JSON Toolkit

Format, validate, minify, escape, and explore JSON online — instantly, for free.

Base64 Encoder

Convert text, JSON, or code into Base64 instantly — free, unlimited, in your browser.

Base64 Decoder

Decode Base64 strings back into readable text instantly — free, unlimited, in your browser.

Regex Tester

Test JavaScript regular expressions against real text instantly — free, in your browser.

JWT Decoder

Decode a JSON Web Token's header and payload instantly — free, unlimited, in your browser.

We use cookies for analytics and ads. Choose whether to allow them.