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Developer Tools
Essential utilities for developers: formatters, encoders, testers and more.
9 tools available • Free • No login required
Developer
JSON Formatter
Format and validate JSON with syntax highlighting
jsonformatterprettify
Developer
Base64 Encoder/Decoder
Encode and decode Base64 strings
base64encodedecode
Developer
JWT Decoder
Decode and inspect JWT tokens
jwttokendecode
Developer
UUID Generator
Generate UUID and ULID identifiers
uuidguidulid
Developer
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
hashmd5sha256
Developer
Cron Expression Generator
Generate and explain cron expressions
cronscheduleexpression
Developer
Regex Tester
Test and debug regular expressions
regexregular expressiontest
Developer
URL Encoder/Decoder
Encode and decode URLs and query strings
urlencodedecode
Developer
Password Generator
Generate strong random passwords
passwordgeneratorrandom