JSON Formatter & Validator
Format, validate, minify, and sort JSON data
Base64 Encode / Decode
Convert text to and from Base64 encoding
URL Encode / Decode
Encode or decode URL components
JWT Decoder
Decode JSON Web Tokens to see header and payload
Hash Generator
Generate SHA-256, SHA-1, and MD5 hashes
SHA-256
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SHA-1
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MD5
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Click any hash to copy. MD5 computed via simple implementation (not for security).
UUID Generator
Generate random UUIDs (v4)
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
Timestamp → Date
Date → Timestamp
Current Unix Timestamp
Color Converter
Convert between HEX, RGB, and HSL color formats
Regex Tester
Test regular expressions with real-time matching
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Text Diff Checker
Compare two texts and highlight differences
Lorem Ipsum Generator
Generate placeholder text
HTML Entity Encoder / Decoder
Encode or decode HTML entities