Cookie policy

This policy explains what cookies and similar technologies are used on Tools for Aviation, what they do, and how you can control them.

What cookies are

Cookies are small text files a website stores on your device. They can remember preferences, keep a session working, or let a third party recognize your browser across sites. Browsers also offer related storage mechanisms, such as local storage, which behave similarly but are technically not cookies.

What this site sets itself

Tools for Aviation keeps its own footprint small:

• Preferences in local storage. Your color theme (light, dark, or system) is saved in your browser's local storage so the site looks the same on your next visit. This is local storage, not a cookie, and it never leaves your device.
• Calculator state in the URL. Calculator inputs and results are stored in the page's URL parameters, not in cookies or on our servers. A shared calculator link carries only the values visible in the link itself.
• No first-party tracking cookies. The site does not currently set its own advertising, analytics, or tracking cookies, and it does not require cookies for any tool to work.

If you block all cookies and storage, the tools and pages on this site still function. Your theme preference simply will not persist between visits.

Third-party advertising cookies

Advertising on the site is served by third-party vendors, including Google AdSense. These vendors may set or read cookies on your device when an ad is shown. Their cookies are used to:

• Personalize the ads you see based on your visits to this and other websites.
• Limit how often the same ad is shown to you.
• Measure ad performance and detect invalid or fraudulent ad activity.

Examples of cookies Google and its partners may use include DoubleClick cookies such as IDE and DSID, and the NID preference cookie. The exact cookies can vary with your browser, your Google settings, and the ads served.

Third-party vendors, including Google, use these cookies to serve ads based on your prior visits to this website or other websites. You can read more in our privacy policy and in Google's own documentation on how Google uses information from sites that use its services.

Managing cookies and ad personalization

You have several ways to control cookies:

• Browser settings. Every major browser lets you block or delete cookies, block only third-party cookies, or clear stored data for a specific site. Look under the privacy or security section of your browser's settings.
• Google Ads Settings. Visit adssettings.google.com to opt out of Google's personalized advertising.
• Industry opt-outs. Visit www.aboutads.info/choices to opt out of personalized ads from many participating third-party vendors at once.

Blocking or opting out of advertising cookies does not remove ads from the site; it makes the ads you see less tailored to your interests. None of these controls affect how the site's tools, data, or downloads work.

Changes to this policy

We may update this policy when the site's use of cookies or its advertising providers change. The "last updated" date at the top of the page shows the current version. Questions can be sent through the contact page.