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This project implements a single web page that parses and analyzes activity files in GPX, TCX, and FIT file formats.

Where To Find Compatible Files

GPX

TCX

FIT

FIT is a binary file format and is commonly used to record data from fitness tracking devices, such as smart watches and bike computers.

Using From a Desktop Browser

Using From a Mobile Browser

Comparing Files

Splitting a File

Exporting Data

Data can be exported in either GPX or TCX format.

Privacy

The page is a combination of HTML, Javascript, CSS, and WebAssembly compiled from Rust. It runs entirely in the local web browser and does not transmit anything about the file(s) being analyzed.