Free, fast, browser-based utilities. No signup, no tracking, no nonsense. Plus premium bundles for serious builders.
All tools run 100% in your browser. Nothing leaves your machine.
Pretty-print, minify, and validate JSON with syntax highlighting and error pinpointing.
Encode text to Base64 or decode Base64 back to text. Supports UTF-8.
Generate v4 UUIDs in bulk. Copy single or batch with one click.
Test regular expressions with live matching, capture groups, and flag support.
Generate harmonious color palettes. Copy hex, RGB, or HSL values instantly.