In-session utilities · nothing stored
Quick tools.
Interactive micro-tools that earn a place in your session: timers that run your rest, a coach that paces your breathing, maps and builders driven by the same cited reference data as everything else on the site. Nothing to install, and a free account keeps whatever you save.
9Tools · in-browser
- TrainGym trackerCreate a workout, add exercises and log every set, rep and weight. Routines, history and records, kept on your device.
- TrainGym timersRest, intervals, EMOM and AMRAP, with big digits, countdown beeps and shareable settings.
- TestCooper testTwelve minutes, run as far as you can. Guided countdown, audible cues, and your distance turned into a VO₂max estimate.
- TestRockport walk testOne measured mile, walked hard, with your pulse at the line. The gentler route to a VO₂max estimate.
- RecoverBreath coachBox, 4-7-8 or coherent breathing with a pacing orb. Two calm minutes.
- LearnMuscle mapTap a muscle, see every exercise in the library that trains it.
- FuelFood diaryLog what you eat against your calorie target. Scan a barcode, and every number says where it came from.
- FuelPlate builderStack real foods onto a plate and watch protein and calories add up.
- EvidenceSupplement explorerEvery supplement we cover, laid out by evidence tier. Receipts included.