Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text in your browser.
Hashes update live, including for an empty string.
Hash strings for checksums, cache keys, or quick integrity checks. SHA digests use Web Crypto; MD5 is computed locally for compatibility.
No. MD5 is unsuitable for password storage. Use a modern password hash designed for secrets.
Generate RFC 4122 version 4 UUIDs in bulk, instantly.
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Encode and decode Base64 strings with proper UTF-8 support.
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Generate strong random passwords with customizable character sets.
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Convert CSV to JSON and JSON to CSV privately in your browser.
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Test regular expressions with live matches, indices, and capture groups.
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Create downloadable QR codes from text or URLs in seconds.
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