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Developer Tools
Format, encode, hash and generate — the everyday dev toolkit.
A fast, free developer toolkit: format and validate JSON, encode/decode Base64 and URLs, generate SHA hashes and UUIDs, and convert Unix timestamps. No data leaves your browser.
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JSON Formatter
Format, beautify, minify and validate JSON.
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Base64 Encode / Decode
Encode text to Base64 or decode it back.
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URL Encode / Decode
Percent-encode or decode URLs and query strings.
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Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes.
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UUID Generator
Generate random version-4 UUIDs.
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Unix Timestamp Converter
Convert between Unix timestamps and dates.