Two versions of the same document?

Drop both files and get the relationship in seconds: byte-identical, one derived from the other, or independent files that merely look alike.

Have a Pro license key?

With a valid key, every report is unlocked in full.

Derivation, proven: If one file is the other plus appended changes, the bytes show it. The verdict says which came first.
Files are never stored: Both files are analyzed in memory and discarded. Only the findings are kept, for 7 days.
Results in seconds: Identity, descent, page changes, signature events, and metadata deltas, read on upload.