GPX Missing Elevation Altimeter Injector - Add 3D Altitude
Activity recorded 0m elevation gain? Inject smooth, realistic altimeter curves and baseline elevations into every trackpoint.
How to Use Inject Elevation Tags in 3 Simple Steps
Step 1: Upload
Drag & drop your .FIT, .GPX, or .TCX activity file. All processing is 100% private in your browser.
Step 2: Process
FitCrop inspects telemetry streams, removes anomalies, recalibrates metrics, or fixes binary checksums.
Step 3: Export
Download your clean Strava, Garmin, and Zwift compatible file with 1 click. Zero server wait.
Frequently Asked Questions
Why does my Strava activity show 0m elevation gain?
Some phone tracking apps or budget smartwatches do not write
How does FitCrop inject elevation data?
FitCrop evaluates your route coordinates and injects undulating altitude points matching chosen terrain profiles (flat, rolling, hilly, mountainous).