Bring your files.
Select several FIT files at once. Tanūki parses them on your device and keeps your rides together in a local archive.
YOUR RIDES / YOUR DATA
Your time outside, neatly collected. Import FIT files or connect Strava, see the ride, and take the data with you.
Explore TanūkiIn testing for iPhone and iPad. Public download coming later.

01 / THE WORKFLOW
Select several FIT files at once. Tanūki parses them on your device and keeps your rides together in a local archive.
Review your ride summary and recorded samples. See what the source contains, clearly organised.
Select one ride or a batch. Save or share JSON, CSV, text summaries, and the original FIT files.
02 / OPEN THE FILE
Structured summaries for your tools. Recorded samples for your analysis. The original file, retained alongside them.
Understand the exportsStructured ride dataSummary fields and source context
Ride streamRecorded samples in a readable table
Your original fileRetained for local FIT imports
A simple summaryPlain text for local FIT imports
03 / STRAVA CONNECTION
Your activity feed, without the manual file shuffle.
A connected account opens on your activity feed. Tap a ride for its overview, or swipe right to export its JSON summary and CSV stream.
Available in test builds with a configured Strava connection. Public access will follow the app release.
Strava exports preserve the API responses and identify missing fields. They do not recreate the original FIT file.
How the connection worksYOUR FILES. YOUR CHOICE.
Built for iPhone and iPad.
Requires iOS 17 or later.