Privacy policy
Key takeaways
- Your times, laps, labels and saved sessions are kept only in your own browser. There is no account, and nothing you time is uploaded.
- Your results are never sent to Google or advertisers and never used to choose ads.
- onlinestopwatch.dev shows ads from Google AdSense. Google and its partners may use cookies to show ads, including ads based on your earlier visits to this and other websites.
- Visitors in the EEA, the UK and Switzerland see a consent message from a Google-certified consent tool before personalised ads or advertising cookies are used. You can change your choice at any time.
- You can turn off personalised ads from Google in Google Ads Settings.
- There is no account, and we do not ask for your name or email address to use the site.
Who is responsible for your data?
Takreparation Skåne AB is the data controller for onlinestopwatch.dev.
| Company | Takreparation Skåne AB |
| Address | Sparvgränd 6, 262 41 Ängelholm, Sweden |
| Org.nr | 556988-5931 |
| VAT | SE556988593101 |
| info@onlinestopwatch.dev | |
| Phone | +46 760 061 969 |
What happens with my times and laps?
They stay on your device. The stopwatch runs in your browser and does not upload session names, lap labels or times to us or anyone else. They are never passed to Google or other advertisers and are never used to choose ads.
- The session you are timing is kept in this tab's session storage, so it can be recovered if the tab reloads. Each tab has its own session. Closing the tab normally removes it, although a browser's session restore may keep it.
- Sessions you save (up to 20, only when you press Save session while paused) and your light or dark theme are kept in local storage and shared by the tabs in this browser. Delete one session, or use Delete all saved sessions.
- Copy results puts a text summary on your clipboard, and Download CSV saves a file where you choose. Neither sends anything to us.
Does the stopwatch work offline?
Yes, once you have opened it. A service worker keeps a copy of the site's pages, scripts, styles and icons on your device. It never stores your results on a server and does not store ads.
Does onlinestopwatch.dev show ads?
Yes. Some pages on onlinestopwatch.dev show ads served by Google AdSense, a service of Google. Google is a third-party vendor, and Google and its advertising partners use cookies to serve ads on this site.
- Google's advertising cookies let Google and its partners show ads to you based on your visits to onlinestopwatch.dev and/or other sites on the internet.
- Ads can be personalised (based on your earlier activity) or non-personalised (based on things like the page you are on and your general location).
- Third-party vendors and ad networks, as well as Google, may place and read cookies in your browser, or use web beacons or similar technologies, to collect information when ads are shown.
Google explains how it uses information from sites that use its services here: How Google uses information from sites or apps that use our services. How Google uses cookies in advertising is described on Google's advertising technologies page.
How can I turn off personalised ads?
You can turn off personalised advertising from Google at any time in Google Ads Settings.
You can also opt out of personalised advertising from many other third-party vendors at www.aboutads.info/choices or, in Europe, at www.youronlinechoices.eu. Turning off personalised ads does not remove all ads; you will still see ads, but they will not be based on your earlier activity.
You can also block or delete cookies in your browser settings. The stopwatch keeps working if you do.
How do you ask for consent in the EEA, the UK and Switzerland?
If you visit from the European Economic Area, the United Kingdom or Switzerland, you will see a consent message before advertising cookies are used or personalised ads are shown. The message comes from a consent management platform certified by Google and lets you accept, refuse or choose purposes and vendors one by one.
- If you do not consent, Google may still show non-personalised ads, using only the cookies or data that its policies allow for that, for example to limit how often you see an ad and to detect fraud.
- The consent tool stores your choice in your browser so it does not ask again on every page.
- You can change or withdraw your consent at any time with the "Privacy and cookie settings" link at the bottom of the page, or by deleting the cookies for onlinestopwatch.dev in your browser.
What cookies and browser storage does the site use?
| What | Set by | Why | When |
|---|---|---|---|
| Advertising cookies (for example Google's ad cookies) | Google and its advertising partners | To show ads, measure them, limit repeats and prevent fraud; for personalised ads where you have agreed or where consent is not required | When a page with ads loads, subject to your consent choice |
| Consent choice | The Google-certified consent tool | To remember what you chose in the consent message | When you answer the consent message (EEA, UK, Switzerland) |
Active session (os-active-v1, session storage) |
onlinestopwatch.dev, in this tab only | So a reloaded tab can recover the time and laps you are recording | While you time; usually removed when you close the tab |
Saved sessions (os-history-v1, local storage) |
onlinestopwatch.dev, in your browser only | To keep up to 20 sessions you chose to save | When you press Save session; until you delete them or clear site data |
Theme (os-theme, local storage) |
onlinestopwatch.dev, in your browser only | To remember light or dark theme | When you switch theme |
Offline files (service worker cache online-stopwatch-v…) |
onlinestopwatch.dev, on your device | So the stopwatch opens without a connection | When you first visit; replaced when the site updates |
Browser storage set by onlinestopwatch.dev stays on your device. We cannot read it, and it is not sent to our server. You can delete it by clearing your browser data for onlinestopwatch.dev.
How do you count visitors?
We count visits with Cloudflare Web Analytics. It does not set cookies, does not use your browser storage and does not identify individual visitors. We only see totals, such as page views per page, referring sites, countries and device types. A small script from static.cloudflareinsights.com reports each page view to Cloudflare. Your times, laps and session names are not included.
What do the server logs contain?
The site is hosted on Cloudflare. Like any web host, Cloudflare processes technical data such as IP addresses, browser type and the pages requested in order to deliver the site and protect it against attacks. We use this only to run and secure the site, not to identify visitors. Cloudflare's own handling of this data is described in the Cloudflare privacy policy.
Who is onlinestopwatch.dev for, and what about children?
onlinestopwatch.dev is a general-audience site for everyone who wants to time tasks, practice, laps and lessons. It is not directed at children under 13. Because there is no account, we do not ask anyone for a name, email address or other contact details to use the site, and we do not knowingly collect personal information from children. If you think a child has sent us personal information, for example by email, write to info@onlinestopwatch.dev and we will delete it.
What is the legal basis, and what are my rights?
For visitors covered by the GDPR:
- Advertising cookies and personalised ads are based on your consent, given in the consent message. You can withdraw it at any time.
- Server logs, security and visitor counts are based on our legitimate interest in delivering a working, secure website.
- Your times and sessions stay on your device and never reach us.
- Emails you send us are used only to answer you, and deleted when you ask.
You have the right to ask for access to, correction of or deletion of personal data about you, to object to processing, and to withdraw consent. Write to info@onlinestopwatch.dev. For data that Google processes for advertising, you can also use the tools in your Google account and Google's privacy policy. You can complain to the Swedish Authority for Privacy Protection (IMY) or to the data protection authority in your own country.
Will this policy change?
If we change how the site uses data, we will update this page and the date below. If a change needs your consent, you will be asked again through the consent message.
Frequently asked questions
Does onlinestopwatch.dev use cookies? Yes, through Google AdSense. Google and its partners use cookies to show and measure ads. In the EEA, the UK and Switzerland you are asked first. The stopwatch does not need cookies to work.
Can you see my lap times or session names? No. They stay in your browser. Only you can copy them, download them as CSV or delete them.
Can I use onlinestopwatch.dev without personalised ads? Yes. Refuse personalised ads in the consent message, or turn them off in Google Ads Settings. You will still see ads, but they will not be based on your earlier activity.
How do I contact you about privacy? Email info@onlinestopwatch.dev or call +46 760 061 969.
Last updated: November 12, 2026