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Privacy Policy

Last updated: June 6, 2026

This Privacy Policy explains how DeftGauge ("DeftGauge", "we", "us" or "our") handles information when you use DeftGauge and its tools. We have built DeftGauge to be privacy-respecting by design: the tools themselves run entirely in your browser. By using the site you agree to the practices described here.

The short version

  • Our tools run on your device. Tests for your screen, camera, microphone, keyboard, mouse and sensors are processed locally in your browser. Camera, microphone and motion data are never recorded or uploaded to us.
  • We don't ask you to sign up. There are no accounts, and we do not request your name, address or payment details.
  • We do use cookies and third-party services for basic analytics and advertising, described below.

Information processed in your browser

Many tools need temporary access to a device feature to work — for example camera access for the Webcam Test, microphone access for the Mic Test and Decibel Meter, or motion-sensor access for the Bubble Level and Compass. This access is handled by your browser, used only while the tool is open, and the resulting video, audio or sensor readings stay on your device. We do not see, store or transmit them. Small preferences such as your theme (light or dark) and language may be saved in your browser's local storage so the site remembers them on your next visit.

Information collected automatically

Like most websites, our hosting provider and analytics may automatically receive standard technical information when you visit, such as your approximate location (from your IP address), browser type, operating system, device type, referring page and the pages you view. This information is used in aggregate to understand traffic and keep the site reliable and secure. It is not used to personally identify you.

Cookies and similar technologies

Cookies are small files stored on your device. We and our partners may use:

  • Essential / preference cookies to remember settings like theme and language.
  • Analytics cookies to measure how the site is used so we can improve it.
  • Advertising cookies set by third-party ad partners to show and measure ads (see below).

You can control or delete cookies in your browser settings, and you can usually opt out of personalized advertising cookies through the links below. Blocking some cookies may affect how parts of the site work.

Advertising

We may display advertising to keep DeftGauge free. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visit to DeftGauge and other sites on the internet.

Analytics

We may use analytics services to understand aggregate usage — for example which tools are popular and how the site performs. These services may set cookies and collect the technical information described above. We use this data only to improve DeftGauge.

Third-party links

Our site may link to other websites. We are not responsible for the privacy practices of those sites, and we encourage you to read their policies.

Children's privacy

DeftGauge is intended for a general audience and is not directed at children under 13 (or the minimum age in your country). We do not knowingly collect personal information from children.

Your choices and rights

Depending on where you live, you may have rights over your personal data, such as access, correction, deletion, or objecting to certain processing under laws like the GDPR or CCPA. Because the tools run locally and we do not maintain personal accounts, we hold very little information that identifies you. You can also clear cookies and local storage at any time from your browser. To make a request or ask a question, contact us using the details below.

Changes to this policy

We may update this Privacy Policy from time to time. When we do, we will revise the "Last updated" date at the top of this page. Significant changes will be reflected here, so please check back periodically.

Contact us

If you have any questions about this Privacy Policy or how your data is handled, please reach us through our Contact page.