Developer & Data
Essential data conversion, formatting, parsing, and inspection tools for developers.
JSON Formatter & Validator
Format, beautify, minify, validate syntax, and inspect JSON with an interactive tree view.
Base64 Encoder / Decoder
Encode and decode standard strings, URLs, and binary files into Base64 format.
URL Encoder & Parser
Encode, decode URLs and parse query strings, hostnames, ports, and parameters into a clean table.
Hash & HMAC Generator
Generate MD5, SHA-1, SHA-256, SHA-512, CRC32, and HMAC checksums in real-time.
UUID / GUID Generator
Generate single or bulk RFC4122 v4 (random) and v1 UUIDs with uppercase and hyphen options.
JWT Decoder & Debugger
Decode JSON Web Tokens, inspect header, payload claims, and check issued/expiration timestamps securely client-side.
Regex Tester & Cheatsheet
Test regular expressions against sample text with live match highlighting and common pattern templates.
Text Diff & Comparison
Compare two pieces of text or code side-by-side or inline to highlight additions, deletions, and line changes.
HTML / CSS / JS Minifier
Minify code to reduce payload size or beautify messy HTML, CSS, and JavaScript with indentation.
Cron Expression Parser
Translate crontab schedule expressions into human-readable schedules with next upcoming execution dates.