Cookie Policy

1. Cookies set by FileSize.org itself

The site does not set first-party cookies for tracking, personalization, or advertising. There is no login, no shopping cart, no comment system, and no “preferences” that need to persist between visits, so there is nothing to remember on your behalf.

The only cookies you may encounter are those set by the third-party services listed below.

2. Analytics cookies — Google Analytics 4

FileSize.org uses Google Analytics 4 to count visits, see which pages are read, and understand how the site performs across browsers and devices. The data is aggregated and used to improve the site.

Typical cookies set by Google Analytics:

• _ga — used to distinguish individual visitors. Lifetime: up to 2 years.
• _ga_<container-id> — used by GA4 to persist session state. Lifetime: up to 2 years.

You can opt out by installing the Google Analytics Opt-out Browser Add-on, by blocking the googletagmanager.com domain in your browser, or by using a browser that supports Global Privacy Control (GPC) or “Do Not Track”.

3. Advertising cookies — Google AdSense and partners

FileSize.org displays advertising provided by Google AdSense. Google and certified third-party advertising partners use cookies and similar identifiers to deliver ads, frequency-cap them, measure performance, and (where you have consented or where the law permits) personalize them based on your prior browsing.

Cookies you may see in this category include, but are not limited to:

• __gads, __gpi — used by Google to deliver ads, measure ad performance, and prevent fraud.
• IDE (set on the doubleclick.net domain) — used by Google's ad-serving network for ad selection and measurement.
• NID (set on the google.com domain) — stores ad preferences for users who interact with Google.
• Various cookies set by additional certified partners that may participate in a particular ad auction. The full, current list of Google's ad-tech vendors is published in Google's Authorized Buyers/Open Bidding documentation.

You can manage these in three ways:

• Google Ad Settings — turn personalized ads on or off and review the inferred topics: google.com/settings/ads.
• YourOnlineChoices (Europe) — manage opt-outs across many ad networks at once: youronlinechoices.eu.
• Digital Advertising Alliance (US) — equivalent for North America: aboutads.info/choices.

Visitors in the European Economic Area, the United Kingdom, and Switzerland are presented with a Google-operated consent prompt that lets you accept or reject these uses individually.

4. Functional / strictly-necessary cookies

None. The site does not require any cookie to deliver the converters, calculators, platform-limit pages, or guides. Disabling all cookies in your browser will not break any of the tools.

5. Cookies set by other embedded resources

Pages on this site load fonts from Google Fonts and the homepage map uses the Leaflet library hosted on Cloudflare's CDN. These requests are static-asset fetches and do not, by themselves, set cookies. They do, however, expose your IP address to those networks as a normal part of any HTTP request.

6. Browser-level controls

You can also block or delete cookies directly in your browser. The procedure differs by browser; the following help pages cover the major ones:

• Chrome
• Firefox
• Safari (macOS)
• Microsoft Edge

Blocking all cookies in a browser will prevent Google Analytics measurement and will prevent personalized advertising from being shown on this site (you may still see non-personalized ads).

7. Changes to this page

The cookies set by Google Analytics and Google AdSense can change as those products evolve. This page is reviewed periodically, and the “Last reviewed” date at the top reflects the most recent material change.

8. Related documents

For the wider context of how data is handled on this site, see the privacy policy. For any question, contact [email protected].