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Set a countdown timer with audio alert. Quick presets for 1, 5, 10, 15, 30, and 60 minutes. Use our free countdown timer online tool — instant results, no upload, completely private.
No account · No upload · No watermark · Works on any device
Navigate to the Countdown Timer tool — no download or installation needed.
Drop your file or paste your data. Everything stays in your browser, nothing is uploaded.
Processing happens instantly on your device. Download or copy your result.
Save time on everyday tasks
Work without installing software
Process files privately in your browser
Calculate percentages, percentage change, and percentage of a number.
Calculate the difference between dates, add or subtract days.
Convert salary between hourly, daily, weekly, biweekly, monthly, and yearly amounts.
Calculate your Body Mass Index and see your weight category.
No signup, no upload, 100% private. Works right in your browser on any device.
Open Countdown