Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files using Web Crypto API.
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Frequently Asked Questions
Is my data secure?▾
Yes, all hashing is performed in your browser using the Web Crypto API. No data is ever sent to any server.
Why is MD5 not included?▾
MD5 is cryptographically broken and not supported by the Web Crypto API. We recommend using SHA-256 or SHA-512 instead for security-critical use cases.
Can I hash files?▾
Yes, use the file input to select a file. The file is read in your browser and hashed locally without uploading.
What hash algorithm should I use?▾
For general use, SHA-256 is the most widely recommended. SHA-512 offers a longer hash. SHA-1 is included for legacy compatibility but is no longer considered secure for cryptographic purposes.