Primo Fingerprint Lab · compare & diff Control panel

Compare reports

Drop a report JSON (downloaded from a run) or a single-tab probe JSON into a slot. View one on its own, or diff two — e.g. an old browser build vs a new one, or your build vs another developer's — to see exactly which fingerprint fields changed.

Slot A

Drop report/probe JSON here, or click to choose

empty

Slot B

Drop report/probe JSON here, or click to choose

empty