Clocks & time
Online Countdown Timer — Cooking, Focus & Everyday Tasks
Set countdown timers for cooking, study and focus sessions. Start, pause and reset timers in your browser.
Open Timers ↗How to use Timers
Open Timers, enter the duration, then start the countdown. Keep the page available and use the pause or reset controls when plans change.
What to know before you start
Browser sleep, background throttling and device restrictions can delay alerts. Do not rely on a browser timer for safety-critical tasks.
Your data and access
Public guides contain product information, not visitor records. Calculators work without signing in. Account features such as saved plans require sign-in. The cycle tracker also offers separate device-only storage. Read about saved and shared data.
Related tools
Updated November 5, 2026 · About Calcuvero