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How to add DJI flight data (altitude, distance, route) to drone video

Turn on Video Subtitles in the DJI Fly app (called Video Caption in DJI GO 4) before you fly. Each video then gets a .SRT file with the drone's GPS position and altitude. Keep it next to the MP4 and open the video in Telemetry Studio: it finds the .SRT on its own and adds altitude, vertical speed, distance from home, flight time and the flight path. No syncing needed.

Drone support is in beta. It runs on Mac and Windows, with a 14-day free trial.

A real DJI Mavic Pro flight log, shown over a plain background so you can see the overlays. On your video, the drone footage goes underneath.

01Turn on Video Subtitles before you fly

The flight data only exists if the drone wrote it while recording, so set this up before the flight.

  • DJI Fly (Mini, Air, Mavic 3, Avata, Neo): switch to video mode, open settings, go to the Camera tab and turn on Video Subtitles.
  • DJI GO 4 (Mavic Pro, Mavic 2, Phantom 4): camera settings, turn on Video Caption.

02Copy the video and its .SRT file together

Copy both files from the drone's card, for example DJI_0001.MP4 and DJI_0001.SRT, into the same folder. Keep the names matching.

03Open the video in Telemetry Studio

Open the MP4 in Telemetry Studio. It picks up the .SRT next to it, lists it as DJI embedded telemetry, sets the sport to Drone and applies the Drone Telemetry layout. The data comes from the same recording, so it's already in sync.

Telemetry Studio with a DJI video open, the DJI embedded telemetry track listed and the sport set to Drone

04Choose the flight overlays

The drone overlays:

  • Altitude and vertical speed (climb and descent rate).
  • Distance from home, measured from the first GPS point.
  • Flight path map and flight time.
  • When the .SRT has them: forward and sideways speed relative to the camera, an attitude indicator, and aircraft and gimbal pitch, roll and yaw.
Drone overlays mid-flight: flight path, elapsed 4:29, altitude 382 ft, vertical speed and distance from home 491.5 ft

05Export

Choose File › Export Video…. MP4 up to 4K, 9:16 for Reels and Shorts, or only the overlays on a transparent background (ProRes 4444 or PNG frames) to put on top of your edit.

The Export Video window

If something looks wrong

  • No .SRT file on the card: Video Subtitles was off for that flight. There's no way to add it afterwards from the drone, but a GPX of the flight works.
  • Overlays show dashes: that model doesn't record the value (several newer DJI models leave out speed and angles). Turn those overlays off.

Other options

DashWare was the old free choice for drone overlays, but it was discontinued (see DashWare alternatives). Telemetry Overlay also reads DJI .SRT files, plus Airdata and Litchi flight logs (comparison). Airdata itself analyses flights but doesn't put the data on your video.

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