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Hash Generator

Generate SHA-256, SHA-384, SHA-512, SHA-1, and MD5 hashes from text or files directly in your browser.

Learn how cryptographic hash functions work

Input text

SHA-256 digest (hex)

Enter text to generate a hash.

Compare with expected hash

Paste an expected hash to check whether it matches the generated digest.
Using This Tool: Guide & Notes Show guide

The hash generator creates fixed-length digests from text or files in your browser. A hash is a fingerprint, not encryption.

How to use it

  • Choose Text or File as the input source.
  • Select SHA-256, SHA-384, SHA-512, SHA-1, or MD5.
  • Choose hex or Base64 output, then copy the generated digest.
  • Paste an expected digest into the comparison box to check whether it matches.

Options and settings

  • SHA-256 is the safest default for everyday checksum and learning use.
  • SHA-1 and MD5 are included for legacy comparison, not modern collision-resistant security.
  • Uppercase hex changes display only; the underlying digest bytes are the same.
  • File hashing happens locally in the browser. The file is not uploaded by this tool.

Notes

  • Hashes are one-way fingerprints, not reversible encryption.
  • Do not use plain hashes alone for password storage; real password storage needs a dedicated password hashing function and salts.
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Related Article

Hash Functions: Digital Fingerprints, Not Encryption

How SHA-256, SHA-512, MD5, and other hash functions turn messages and files into fixed-length fingerprints, and why a hash can verify data but cannot be decrypted.

Read the article
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A note from the team

We build these tools because we love cryptography, encoding, and making difficult ideas easier to explore. If they've helped you, even a small coffee means the world to the project. Thank you!

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