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Curated developer utilities that are fast, reliable, and secure.
Beautify, validate, and fold JSON like json.cn
Convert text and Base64 with URL-safe support
RFC 3986 compliant URL encoding
Inspect JWT header and payload quickly
Convert timestamps and local time
Generate MD5, SHA-1, SHA-256
Test regex matches with highlights
Escape or decode HTML entities
Generate RFC 4122 UUIDs
camel/snake/kebab and more
Convert between HEX/RGB/HSL
Parse and build query strings
Convert between bases 2/8/10/16/36
Convert JSON arrays and CSV
Line-by-line text comparison
Count words, lines, chars
