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Predict your next periods, fertile window, and ovulation day, and log past cycles for personalised accuracy.
About this tool
Predict your next periods, fertile window, and ovulation day, and log past cycles for personalised accuracy.
Period & Cycle Tracker is a free health 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 Period & Cycle Tracker 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 — Period & Cycle Tracker is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Period & Cycle Tracker runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Predict your next periods, fertile window, and ovulation day, and log past cycles for personalised accuracy. It's built for quick, everyday health tasks with results you can copy or download straight away.
Yes — Period & Cycle Tracker works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.