Online Interval Timer — Set up your workout

Set work, rest, rounds, and go. It's that simple. Desktop native, control with keyboard/scroll/chevrons, or templates. Workout written into the link. No account, no tracking, no nonsense. Just you, increasingly out of breath, wondering why you started.

:
min [Q]
sec [W]
:
min [E]
sec [R]
[T]
[SPACE]

Templates

WORK
00:00
Round 1 of 8
[Space]
[X]
[→]
[Esc]
[Space]
[5]
[1]
[Esc]

F*CKING A!

[N]
[Space]
[S]
[P]

F*FIT - Fucking Fast Interval Timer

A keyboard-native, production-ready interval timer web app for high-intensity workouts. Featuring preset templates like Tabata, HIIT, EMOM, Boxing rounds, and Pomodoro. Built with vanilla JavaScript, responsive CSS, and no external dependencies.

Preset workouts include 20/10 Tabata, 30/30 HIIT, 40/20 HIIT, 60s EMOM, 3-minute boxing rounds, and 25-minute Pomodoro sessions.

Dirty Alpha