Programs to process GoPro MP4 & Generic GPX/FIT files and create video dashboards & maps

Fit File Viewer - Cross-Platform application to analyze Fit files. Builds available for Windows, Mac, and Linux in a variety of formats.

A python code to bring fit files from XOSS G+ cyclo-computer over BLE

Simple Ruby library for encoding/decoding and editing FIT (ANT+) binary files.

FIT file parser written in Rust.

fixing broken Zwift .FIT files

Run + Aquarium merges movement and stillness: a Rust-powered tool that transforms GPS running data into visual journeys, generating images and videos from each step taken.

Generate Garmin .FIT workout files for PT exercises with custom names and rep-based steps. Reverse-engineered FIT internals.

Microsoft 365 VBA macro to download a Peloton bike ride and upload it to Garmin Connect as a FIT file.

A C# library with expressive models to interact with the content of .FIT-files. The format is widely used for sports gear files popularized by Garmin.

Select a garmin fit file and show the route on a map

Turn FIT cycling and running files into customizable, shareable workout graphics.

佳明数据分析器 · Garmin/Wahoo/Coros .fit/.tcx/.gpx 解析与可视化 · 一键生成运动海报和动态视频 · NP/IF/TSS/CP/VAM 教练级指标 · 100% 浏览器本地 · Open-source Garmin / cycling data analyzer · ride poster generator · Relive & Strava alternative

Selective Garmin-to-Strava activity sync — choose which activities make it to Strava

Corpus of Flexible and Interoperable Data Transfer files to support interoperability testing.

Convert Huawei Health JSON exports to Zepp/Amazfit-compatible FIT activity files.

I wrote this little tool to merge the "GPS" data from a Zwift .fit file into my Garmin activity and import Zwift's lap data. Should support proprietary fields, time sync, cycling dynamics (from a power meter) and device information (e.g. connected HRM).

Decodes '*.fit' files and returns readable values.

Convert Garmin `.fit` files to `.parquet` files using Garmin's FIT SDK.

Import your complete Strava archive into intervals.icu — no premium account needed. Processes .fit.gz files directly from your Strava data export with date filtering, dry run mode, resume support, and activity date detection from inside .fit files via fitparse.