Cookie Policy
Last updated September 3, 2026.
A cookie is a small file a website stores in your browser. This page lists exactly what this site uses them for and gives you a control to change your mind whenever you want.
Change your choice
Your current preference is stored in your browser. Use this button to review or change it at any time.
Categories used
| Category | Status | What it does |
|---|---|---|
| Strictly necessary | Always active | Remembers your light or dark theme choice and the cookie decision you made here, so you are not asked on every page. No tracking and no sharing. |
| Analytics | Consent required | Counts page views and referrers in aggregate so I can see which articles and tools are worth expanding. Not used to identify or profile an individual. |
| Advertising | Consent required | Allows advertising partners, including Google, to serve ads and measure their performance. Google may use cookies to serve ads based on your prior visits to this or other sites. |
The free tools set nothing
Every calculator, generator, and checker on this site runs in your browser. What you type into them is never transmitted, logged, or stored, and no cookie is involved in making them work. That is true whatever you choose above.
Controlling cookies in your browser
Every major browser lets you view, block, and delete cookies from its settings, usually under privacy or site data. Blocking strictly necessary cookies will make the theme switch and this consent choice stop persisting between visits.
Opting out of personalised advertising
Beyond the control on this page, you can manage personalisation directly with the ad networks at Google Ads Settings, aboutads.info, or the Network Advertising Initiative.
See also the privacy policy and terms of use.