View, fix and analyze GPS tracks from DJI SRT subtitle files. Open source, self-hostable, no vendor lock-in.
From raw SRT files to fully analyzed flight tracks in seconds.
Visualize your full drone flight path on an interactive map with OpenStreetMap and satellite imagery layers. Start, end and max-altitude markers included.
Automatically repair frames with 0,0 GPS coordinates using nearest-neighbor, first/last valid, map click, or custom coordinate modes.
Measure exact distances between two points or calculate the perimeter and area of any polygon drawn directly on the map.
Export your flight track as a standard GPX file compatible with Google Maps, Garmin, Strava, and any other GPS software.
Load dozens of SRT files at once. View all tracks simultaneously on the map with distinct colors and navigate between them with keyboard arrows.
Sign up for Starter or Pro to save your files to the cloud with 30-day or 1-year retention. Access your flight history from any device.
Free tier processes everything client-side in your browser. No files leave your device unless you create an account. Open source — verify yourself.
Pro tier includes REST API access to upload, parse and fix SRT files programmatically. Automate your post-processing workflow.
Start free, upgrade when you need more. Cancel any time.
SRTmap is MIT licensed. Run it on your own infrastructure — full control over your data.