Developer Tools
JSON format, encode/decode, hash, and regex
JSON Formatter
Format, beautify, and minify JSON data instantly in your browser.
Base64 Encoder/Decoder
Encode or decode Base64 strings in real time, entirely in your browser.
UUID Generator
Generate random v4 or time-ordered v7 UUIDs in bulk, entirely in your browser.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes of text or files in your browser.
HTTP Status Code Reference
Interactive reference for all standard HTTP status codes with search and filtering.
Cron Expression Generator
Build and decode cron expressions visually with human-readable output and next run times.
Regex Tester
Test regular expressions live with match highlighting, capture groups, and replace mode.
PopularTimestamp Converter
Convert between Unix timestamps and human-readable dates in multiple formats and timezones.
Essential utilities for software developers and engineers, all available free in your browser. Format and validate JSON, encode and decode Base64 and URLs, generate hashes, test regular expressions, and minify code. These tools are designed to streamline your development workflow without requiring any installation or sign-up.