Cookies
Last updated April 2026
A cookie is a small text file stored on your device that helps a website remember information about your visit. TaxWindow uses cookies from third-party services to provide analytics and advertising.
Cookies we use
| Cookie | Set by | Purpose | Duration |
|---|---|---|---|
| _ga | Google Analytics | Distinguishes users for analytics | 2 years |
| _ga_* | Google Analytics | Session state for GA4 | 2 years |
| __gads | Google AdSense | Serves and measures ads | 13 months |
| __gpi | Google AdSense | Personalised advertising | 13 months |
| NID | Remembers preferences | 6 months | |
| IDE | Google DoubleClick | Ad performance measurement | 13 months |
Managing cookies
You can control cookies through your browser settings. Most browsers allow you to block or delete cookies — check your browser's help documentation for instructions. Blocking cookies may affect how some parts of this site work, but the calculators themselves will continue to function normally because they don't rely on cookies.
Opting out of personalised ads
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More information
For how your data is handled overall, see our privacy policy.