PACEGRID
100% free · no sign-up · results in seconds

Free GPS tools and a 3D route visualizer.

Convert FIT, GPX and GeoJSON files, generate structured reports for ChatGPT and AI, and see your routes in 3D with pace, heart rate and elevation. Fast, accurate and no sign-up.

Open GPS ToolsView route in 3D

Conversion

FIT, GPX, GeoJSON, CSV

AI analysis

Markdown for ChatGPT/LLMs

Access

Free, no sign-up

Featured tools

Everything you need to work with your GPS files

GPS & AI Tools

Convert FIT and GPX for ChatGPT, Claude and Gemini

Turn your workouts into Markdown formatted for in-depth AI analysis. Convert between formats too: FIT → GPX, GPX → GeoJSON, FIT → CSV, JSON and more.

  • AI Markdown generator tuned to keep token counts low
  • Universal export formats: GPX, CSV, GeoJSON and JSON
  • Works with Strava, Garmin Connect, Zepp, Amazfit, Polar
Open GPS & AI Tools

3D Route Explorer

See your route in 3D with pace, heart rate and elevation

Drop in your .fit, .gpx or .geojson file and watch your route on an immersive 3D map, with stacked data layers and a cinematic camera.

  • 3D map with terrain and cinematic lighting
  • Stacked layers: pace, heart rate and elevation
  • Works with Strava, Garmin Connect, Zepp and Amazfit
Open 3D Explorer

Why PaceGrid

Speed, the right formats, and everything an athlete needs

Instant, free conversion

Results in seconds for any FIT, GPX or GeoJSON file. No queues, no usage limits and no account required.

Many formats supported

FIT (Garmin, Amazfit, Zepp, Polar, Suunto, Wahoo), GPX (the GPS standard) and GeoJSON (Mapbox, Leaflet, MapLibre, QGIS).

Ready for AI

Generate Markdown reports on pace, heart rate zones and elevation, structured specifically for ChatGPT, Claude or Gemini.

Zepp and Amazfit sync

Create a free account to sync activities automatically, build your history and track pace, heart rate and GPS on a premium dashboard.

Want more?

Create a free account to sync Zepp/Amazfit and track your progress

With a free account you automatically sync activities from Amazfit and Zepp watches, build your training history and track pace, heart rate, GPS and elevation on a premium dashboard.