Developer Tools
Format, encode, decode and generate — for developers.
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JSON Formatter
Prettify, minify and validate JSON.
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JSON Validator
Check whether a JSON string is valid.
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Base64 Encoder/Decoder
Encode text to Base64 and decode it back.
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URL Encoder/Decoder
Percent-encode or decode URL query strings.
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UUID Generator
Generate one or many UUID v4 identifiers.
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Timestamp Converter
Convert between Unix timestamps and human-readable dates.
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Hash Generator (SHA-256)
Generate a SHA-256 hash from any text using the Web Crypto API.
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Color Converter
Convert between HEX and RGB with a live preview.
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Regex Tester
Test JavaScript regular expressions with live matches.
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QR Code Generator
Generate a QR code for any URL or text, and download as PNG.
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