Developer utilities, instantly

JSON formatters, encoders, converters, hash generators, and more. Free tools that run entirely in your browser.

See it in action

Watch tools transform your data in real time

JSON Formatter

Input

Output

Find the right tool for any task

31 tools

Format, validate, compare, and transform JSON data

41 tools

Base64, URL encoding, Unicode, and more

44 tools

Transform, analyze, and manipulate text strings

42 tools

Hash functions, encryption, and security tools

10 tools

Decode, verify, and debug JSON Web Tokens

19 tools

Build, test, and debug regex patterns

30 tools

Convert, pick, and generate color palettes

44 tools

Convert, format, and calculate dates and times

Why utils.live

Client-side tools run in your browser with zero latency. No waiting, no server round-trips.

Your data never leaves your device. We don’t track, store, or analyze your tool inputs.

Every tool is completely free to use. No accounts, no paywalls, no usage limits.

A comprehensive collection of developer utilities — from JSON formatting to image processing.

Tools

Find the right tool for any task. Search, click, done.