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File checksum generator
Calculate a local SHA-256 fingerprint and compare it with a checksum you already have.
Files stay in your browser. Nothing is uploaded. Up to 50 files, 64 MiB each.
Enter your values or select local files.
Formula
SHA-256(file bytes) → 256 bit → 64 hexadecimal characters.
Worked example
SHA-256("abc") = ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad
How to use this tool
1
Enter your values or select local files.
2
Review the result and the assumptions.
3
Reset the tool to compare another scenario.
Good questions. Clear answers.
How to use this tool
Enter your values or select local files. Review the result and the assumptions. Reset the tool to compare another scenario.
Formula
SHA-256(file bytes) → 256 bit → 64 hexadecimal characters.
Choose files
Files stay in your browser. Nothing is uploaded. Up to 50 files, 64 MiB each.
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