SHA-256 Hash Generator
Compute SHA-256 hash of text or files — locally via WebCrypto, nothing uploads.
How to Use
- Paste text or drop a file.
- SHA-256 hex and Base64 update live.
Input
#
Or drop a file
SHA-256
About SHA-256
Digest size
256 bits / 32 bytes / 64 hex chars
Family
SHA-2 (Merkle–Damgård)
Status
Secure as of 2026
Passwords
Use bcrypt/Argon2 instead — SHA-256 is too fast
Frequently Asked Questions
Is SHA-256 secure?
Yes — widely used for signatures, integrity, and password storage (with a slow KDF on top).
Does the file leave my device?
No — all hashing runs in your browser via WebCrypto.
Common Use Cases
File integrity
Verify downloads match published SHA-256.
Signing
Input to digital signature algorithms.
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