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Stairinator
Turn a stair-machine workout into a FIT activity file with accurate altitude, distance, cadence and your recorded heart rate.
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bd-licious graphs
Load a FIT file and chart it — metric rows, HR zones, rest detection, per-length swim data, and PNG export.
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Swim FIT Corrector
Fix pool swims where the watch missed a turn, or saw one that never happened, and write a corrected file to re-upload.