Developer Tools
Essential utilities for developers. Format JSON, encode/decode data, generate UUIDs and more.
JSON Formatter & Validator
Format, beautify and validate JSON data with syntax highlighting. Detect errors instantly.
Base64 Encode & Decode
Encode text to Base64 or decode Base64 strings back to plain text instantly.
UUID / GUID Generator
Generate random UUID v4 identifiers. Bulk generate multiple UUIDs at once.
URL Encode / Decode
Encode special characters for URLs or decode percent-encoded URL strings.
HTML Entity Encode / Decode
Encode special characters as HTML entities or decode HTML entities back to text.
Hash Generator (SHA-256, SHA-1, SHA-512)
Generate secure hash digests using SHA-256, SHA-1, SHA-384, and SHA-512 algorithms.
Regex Tester
Test regular expressions against sample text. See all matches with capture groups highlighted.
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect header and payload data without verification.
Color Converter
Convert colors between HEX, RGB, and HSL formats. Input any color format and get all representations.
CSS Unit Converter
Convert between CSS units: px, rem, em, and pt. Set your base font size for accurate conversions.
JSON Minifier
Minify JSON by removing all whitespace and formatting. See how much space you save.
Markdown to HTML
Convert Markdown text to HTML. Supports headings, bold, italic, links, lists, code blocks and more.