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File hash
Compute SHA-256, SHA-384 or SHA-512 for a local file or a piece of text with Web Crypto. The bytes are not uploaded.
The bytes stay on this device. MD5 and SHA-1 are not computed.
Limitations
MD5 and SHA-1 are not offered. A hash shows that two byte sequences match. It does not by itself prove who created a file.
How it works
- Type, paste, or choose a local file when the tool asks for one.
- Review the count or the change.
- Copy or download. The source stays on this device.