Handy utilities for everyday coding tasks.
This directory groups together the highest-traffic tool categories developers usually search for: JSON formatters, diff checkers, regex testers, SQL formatters, Base64 converters, JWT decoders, Mermaid editors, UUID generators, and quick inspection tools. Each page is optimized for instant use in the browser with minimal setup.
Format, validate, and minify JSON data.
Compare two text files side-by-side to find differences.
Test and debug regular expressions locally.
Minify JavaScript by stripping comments and whitespace.
Protect JavaScript code with obfuscation.
Encode and decode Base64 strings safely.
Encode and decode URL components.
Decode and inspect JSON Web Tokens.
Convert Unix timestamps and dates.
Format and minify SQL queries.
Generate bulk random UUIDs (v1 & v4).
Preview Markdown with GFM support.
Create/preview diagrams and charts.
Check your public IP and location.
Convert between XML and JSON formats.