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Developer

JSON, Base64, URLs, hashes, JWT, regex, and Markdown.

Color Converter
Convert HEX, RGB, HSL, and CMYK with a live color preview swatch.
Color Picker
Pick colours from an uploaded image or enter HEX and view RGB/HSL/CMYK.
JSON Formatter
Beautify, minify, and validate JSON with syntax highlighting and error paths.
Base64 Encoder
Encode and decode Base64 for text snippets and small file uploads.
URL Encoder
Encode and decode percent-encoded query strings and path segments.
Hash Generator
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input.
JWT Decoder
Decode JWT headers and payloads locally—no secret required to view claims.
Regex Tester
Live regular expression testing with highlighted matches and capture groups.
Markdown Previewer
Side-by-side Markdown editor with live HTML preview for notes and readme drafts.
QR Code Generator
Create QR codes for URLs, text, or contacts and download PNG assets.
Password Generator
Generate strong passwords with length, symbols, numbers, and uppercase controls.
UUID Generator
Generate RFC-4122 v4 UUIDs in bulk—up to 100 at once with copy-all.