Load fitness, flight, camera and motorsport telemetry sources.
YOUR RIDE. YOUR STORY.
Telemetry overlays from FIT, GPX, SRT and CSV data. Fully custom. Fully free desktop app.
Examples

BUILD OVERLAYS THAT HIT HARD, READ FAST, STAY YOURS
Turn FIT, GPX, SRT and CSV activity data into custom telemetry overlays for GoPro, Insta360, DJI and other action camera footage, then export lightweight overlays or final videos without sending your data anywhere else.
NLE-style timeline with drag-and-drop, undo, centering guides, and shared templates.
Shape every widget with your own styling, color, font, and size.
Speed, power, lap timing, gauges, camera data, route and elevation, and more.
From lightweight or professional lossless exports to full final videos in high quality.
How OVRLEY works
STEP 01
LOAD
Drop in an activity, flight or motorsport file, or a supported camera video. OVRLEY handles the rest.
STEP 02
DESIGN
Arrange widgets, change size, adjust fonts, customize colors. Add your personal touch to make it yours.
STEP 03
EXPORT
Render at the resolution and frame rate your footage needs.
Download OVRLEY
WINDOWS
- Windows 11
- 16 GB RAM
- 8-core CPU
macOS
- macOS 14+
- 16 GB RAM
- M-series Pro+
LINUX
- Ubuntu 24.04
- 16 GB RAM
- 8-core CPU
GOT ANY QUESTIONS?
Need deeper answers about activity files, sync, or export? See the full FAQ.
DATA FOR NERDS
Our benchmark data show telemetry overlay export times and file sizes for different resolutions, codecs and hardware acceleration options for a 10-minute clip. Learn more about different export options.

















