Encode and decode Base64 strings with proper UTF-8 support.
Convert text to Base64 for data URIs, tokens, and transport-safe payloads — then decode back with UTF-8 handling for international characters.
Naive window.btoa usage assumes Latin-1. We encode via TextEncoder so Unicode survives round-trips.
No. Base64 is encoding, not encryption. Anyone can decode it.
Encode and decode URL query strings and path segments safely.
Developer Tools
Beautify or minify JSON with clear validation errors.
Developer Tools
Generate RFC 4122 version 4 UUIDs in bulk, instantly.
Developer Tools
Test regular expressions with live matches, indices, and capture groups.
Developer Tools
Count characters with or without spaces, plus UTF-8 byte size.
Text Tools
Pick colors and convert between HEX, RGB, and HSL with a live swatch.
Image Tools
