What files does File SHA-256 accept?

Any non-empty file; up to 1 file at a time.

What does File SHA-256 create?

One text report containing the SHA-256 checksum

Provide a 64-character hexadecimal SHA-256 value, or leave the comparison field blank.

Private browser file tool

Calculate a SHA-256 checksum and optionally compare an expected value.

A checksum detects byte differences; it does not scan for malware or authenticate the publisher.
The file and computed checksum stay in your browser.

Selected file data is processed on your device and is not uploaded to CobaltPebble for processing.

What files does it accept?: Any non-empty file; up to 1 file at a time.
What does it create?: One text report containing the SHA-256 checksum
What should I do if processing fails?: Provide a 64-character hexadecimal SHA-256 value, or leave the comparison field blank.