Garmin Telemetry Overlay
Overlay cycling and fitness data from your Garmin device
StintBox reads FIT and GPX files from Garmin Edge, Forerunner, Fenix, and other devices. Heart rate, power, cadence, and GPS become video overlay widgets.
Download FreeSupported data channels
How it works
Sync your activity
After your ride or run, sync your Garmin device via Garmin Connect.
Export FIT or GPX
Download the .FIT or .GPX file from Garmin Connect (or copy directly from the device).
Import into StintBox
Drag the file into StintBox with your video. All data channels are auto-detected.
Build your overlay
Add heart rate zones, power graphs, cadence arcs, and a GPS track map to your video.
Supported models
Edge 1050 / 840 / 540
FIT + GPX
Forerunner 970 / 965 / 265
FIT + GPX
Fenix 8 / 7 / 6
FIT + GPX
Venu 3 / 2
FIT + GPX
Rally Power Pedals
Power + cadence
HRM-Pro Plus
Heart rate + dynamics
Recommended widgets
Frequently asked questions
FIT files contain more data channels and higher resolution. Use FIT when available; GPX works as a fallback.
Standard sensor data (HR, power, cadence, GPS) is always included. Custom Connect IQ data fields may not be supported.
No, FIT/GPX export is available with any free Garmin Connect account.
Ready to overlay your data?
Download StintBox free and add telemetry to your videos in minutes.
Download FreeWindows, macOS and Linux. No account required.