# Pomodoro > Interval timer and workout assistant. Run preset exercise timers or build a custom interval session — no account required. ## How to use - Home (preset exercises): https://pomodoro.tamlus.com/ - Preset timer: https://pomodoro.tamlus.com/timer/{slug} - Custom timer: https://pomodoro.tamlus.com/timer?name=&sets=&work=&rest= Example custom timer (3 sets, 40s work, 20s rest): https://pomodoro.tamlus.com/timer?name=Tabata&sets=3&work=40&rest=20 ## Details - No account needed, nothing is saved between visits - Works on mobile and desktop