The workbench / Files

File checksum.

Calculate SHA-256 and compare a file with its expected hash.

Calculate SHA-256 in this browser. Files stay on your device. Maximum file size: 50 MB.

Choose a file

SHA-256 result

Your checksum will appear here.

Choose a file to begin.

Expected SHA-256 · optional

A checksum compares file contents. It is not a malware scan or a guarantee about who created a file.

A little reading alongside.

Use a fingerprint to compare copies without overclaiming what it proves.

A repeatable structure for sources, exports, and a handoff archive.