Stopwatch
Run a clean browser stopwatch with lap times.
Formula and method
This date and time helper uses your browser's date, time, and time-zone capabilities. Results can vary around daylight-saving transitions, so verify critical deadlines with an authoritative calendar.
Embed this tool
Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.
Frequently asked questions
What is Stopwatch?
Stopwatch is a free, privacy-first online tool on SpecWhale designed to run a clean browser stopwatch with lap times. quickly in your browser without requiring an account or sign-up.
Is Stopwatch free to use?
Yes, all tools on SpecWhale are 100% free, have zero usage limits, and run entirely in your web browser.
Is Stopwatch free to use?
Yes. Stopwatch is completely free, has no usage limit, and does not require an account, email, or API key.
Does Stopwatch store or upload my data?
No. Stopwatch calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is Stopwatch?
Stopwatch follows the method described above. As with any free tool, double-check results before relying on them for anything high-stakes.
Can I embed Stopwatch on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Stopwatch to your own blog post or page.