Track your period instantly — no account, no app download, no personal data collected. Everything runs in your browser. 100% free and private.
Use Free Period Tracker →Our free period tracker works instantly in your browser — no account, no download, no subscription. Just enter your last period date and cycle length, and get immediate predictions for your next period, ovulation day, and fertile window. Your data stays on your device — we never collect or store your personal health information.
Many period tracking apps require you to create an account and share your intimate health data with a third party. Research has shown that some apps sell or share this sensitive data with advertisers or third parties. Our browser-based tool requires none of that — your cycle data never leaves your device.