GPS telemetry overlays for your videos
Visual editor for creating speed, altitude, map, and GPS overlays on GoPro, DJI, and any video. No command-line needed.
Everything you need for telemetry overlays
From quick presets to pixel-perfect customization.
Quick Mode
Select a predefined layout, customize units and map style. One click to render — no configuration needed.
Visual Editor
Drag-and-drop canvas for building custom overlay layouts. Move, resize, and configure every widget.
DJI Drone Support
Native SRT telemetry parsing. Camera metrics: ISO, shutter, f-number, EV, color temperature, focal length.
GPS Quality Analysis
Automatic signal quality check with DOP analysis and warnings before rendering. Filter bad GPS data.
Batch Rendering
Process multiple video files with the same overlay settings. Background jobs with progress tracking.
Live Preview
See your overlay in real-time as you configure it. Scrub through the timeline to check any frame.
See it in action
From quick setup to polished video output.
Three steps to telemetry overlays
Load video
Open your GoPro, DJI, or any video file. Attach external GPX/FIT/SRT data if needed.
Design overlay
Choose a quick preset or build a custom layout with the drag-and-drop editor.
Render
Hit render and get your video with professional telemetry overlays baked in.
Works with your gear
Native support for popular cameras and data formats.
GoPro
.mp4 Built-in GPS telemetry from GoPro cameras. All HERO models supported.
DJI Drones
.srt SRT telemetry files with full camera metrics. Mavic, Mini, Air, and more.
Any Video + GPS
.gpx .fit Combine any MP4/MOV/AVI video with external GPX, FIT, or SRT files.
Get started in seconds
Install via pipx and launch from terminal.
Questions & Answers
What video formats are supported?
MP4, MOV, and AVI video files. GPS data from GPX, FIT, and SRT (DJI) formats.
Does it work without a GoPro?
Yes. You can use any video combined with external GPS data files (GPX/FIT/SRT). Record GPS on your phone and merge it with any camera footage.
Is it free?
Completely free and open source under GPL-3.0 license.
What telemetry data can I display?
Speed, altitude, maps, GPS info, temperature, acceleration, heart rate, cadence, power, and DJI camera metrics (ISO, shutter, f-number, EV).
Can I create custom overlay layouts?
Yes. The Advanced mode provides a full drag-and-drop editor. Save your layouts as templates and reuse them.