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PX4 .ulg Flight Log Analyzer (Free, Online)

Upload a PX4 .ulg (ULog) file from QGroundControl or your flight controller and get a clear flight report - in the browser, no install.

What you get

• Flight track map from logged GPS positions
• Distance, max altitude, duration and speed statistics
• Regional wind reference (including the flight's own wind estimate when present)
• Flight-health check
• Downloadable PDF report

Where .ulg logs come from

PX4 logs live on the SD card (/log/) and can be downloaded via QGroundControl → Analyze Tools → Log Download.

Privacy

Raw logs are deleted after processing; optional sharing is de-identified.

FAQ

Free? Yes, no sign-up.

Analyze a flight log free →