Practical guidance
Compare checksums produced by the same algorithm. Obtain an OS image reference from the official project and match its version and architecture. A checksum from the same untrusted source does not establish authenticity.
Before using this tool
Define what you need from File checksum generator and prepare the relevant input. When diagnosing a live service, record the test time and connection conditions so you can compare results after configuration changes. Check findings against the documentation for your software.
Tool availability
This is currently an information page. No working form, calculations or submission to diagnostic services is available yet. The interface and supported input formats will be documented when functionality is released.