Time & Date tool
Stopwatch
Precise start, stop and lap timing.
Stopwatch workspace
Workspace
Stopwatch
00:00:00.00
Hit lap to record a split.
The guide
By the utils.sbs team · Reviewed November 2026 · How we build and review tools
Quick answer
Stopwatch is a free browser-based time & date tool. Precise start, stop and lap timing. It runs with browser APIs locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.
What is Stopwatch?
Stopwatch is a free browser-based time & date tool from utils.sbs. Precise start, stop and lap timing. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.
At a glance
| Category | Time & Date |
|---|---|
| Input | Depends on the tool; usually browser input or a file |
| Output | A result shown in the page or downloaded as a file |
| Engine | browser APIs |
| Processing | In your browser |
| Price | Free |
| Account | Not required |
How Stopwatch works
This utility runs entirely in your browser and does not depend on a backend service for its result.
How to use Stopwatch
- 1Open Stopwatch and add your input.
- 2Use the default settings, or choose the format or detail level that matches your goal.
- 3Run the tool, check the preview or result, and download the output.
When to use Stopwatch
- Handle a quick browser or system task without installing an app.
- Inspect or test something directly in the current tab.
- Get a focused utility result without a sign-up flow.
Limitations
Capabilities depend on the browser APIs available on the current device.
Privacy and accuracy
Stopwatch processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.
FAQ
Stopwatch questions
What can I do with Stopwatch?
Precise start, stop and lap timing. Stopwatch is part of the Time & Date shelf on utils.sbs and is designed for quick, one-off tasks.
Is Stopwatch free to use?
Yes. Stopwatch is free, requires no account, and has no per-file or per-use charge.
Are my files uploaded when I use Stopwatch?
No. Stopwatch is designed to process your input locally in the browser. Files are not uploaded to a server for processing.
What formats does Stopwatch support?
It uses the browser APIs available for that task and returns the result directly in the page.
Can I use Stopwatch on my phone?
Yes. Stopwatch is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.
Keep going
Related time & date tools
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- Date DifferenceCount days, weeks and months between two dates.
- Add Days to DateAdd or subtract days from any date.
- Subtract DaysMove a date backwards by a chosen number of days.
- Countdown CalculatorSee time remaining until a future date.
- Workdays CalculatorCount business days between two dates.