fit-file

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

Analyze your data from Garmin, Suunto, Coros to one centralized app

🚴 Claude Code / Codex skill for FIT & KML sports analysis — cycling, running, hiking, sensor and grade insights, local 3D route reports, PNG & H.264 MP4 exports. 运动轨迹分析与 3D 路线故事

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

Self-hosted Docker bridge that automatically syncs Wahoo and iGPSPORT FIT activities to Garmin Connect

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

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

FIT file parser written in Rust.

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.

fixing broken Zwift .FIT files

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

A local MCP server that brings iGPSport cycling data into LLM clients, with training metrics (NP/IF/TSS/CTL/ATL/TSB) computed server-side

VBA to download a Peloton bike ride and build FIT file for manual Garmin upload

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.

Tends a FitShow walking treadmill: sessions, HR/HRV, Strava & Garmin uploads, live dashboard, interval programs

Open, vendor-neutral standard for rowing session data in Garmin FIT developer fields. Indoor and on-water. Working draft — nothing ratified.

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).

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

GUI and CLI toolkit to edit the Activity Profiles on Garmin Edge bicycle computers