F1PerfView

F1PerfView is a telemetry viewer for Windows, supporting GP2/GP3/GP3-2000/GP4 performance analysis, F1RS/MGPRS2 telemetry files, LFS replay analyser files, and generic text files.

It includes most of the features that the internal GPx and F1RS viewers have, plus a text view, a statistics view, a time difference graph, and a track view. It also allows a combination of upto 256 perf files to be compared.