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Interval timer for HIIT, Tabata, EMOM, and boxing rounds with audio cues, sets, and drift-free timing.
About this tool
Interval timer for HIIT, Tabata, EMOM, and boxing rounds with audio cues, sets, and drift-free timing.
HIIT & Tabata Timer is a free fitness tool that runs entirely in your browser — nothing to install, no account to create, and your data never leaves your device. Open the page, add your input, and get a clean, copy-ready result in seconds.
Open HIIT & Tabata Timer on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
A focused workspace for one-off content, data, or planning jobs — open it, use it, done.
Start with a rough input and iterate until the result matches exactly what you need.
Copy or download the output for your project, document, or daily workflow.
Yes — HIIT & Tabata Timer is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. HIIT & Tabata Timer runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Interval timer for HIIT, Tabata, EMOM, and boxing rounds with audio cues, sets, and drift-free timing. It's built for quick, everyday fitness tasks with results you can copy or download straight away.
Yes — HIIT & Tabata Timer works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.