Effective Date: August 31, 2026 | Last Updated: September 14, 2026
This Cookie Policy explains how ColdMatrix Tools ("we", "us", "our") uses cookies and similar technologies on our website at https://coldmatrixtools.com. By using our website, you consent to the use of cookies as described in this policy.
For more information about how we handle your personal data in general, please see our Privacy Policy. For information about our security practices, see our Security page.
Cookies are small text files that are placed on your device (computer, mobile phone, or tablet) when you visit a website. They are widely used to make websites work efficiently and to provide information to website owners about how visitors interact with the site.
Cookies can be "persistent" or "session" cookies:
We use cookies for the following purposes:
These cookies are necessary for the website to function properly. They enable basic features like page navigation and access to secure areas of the website. The website cannot function properly without these cookies.
We use Google Analytics to help us understand how visitors engage with our website. These cookies collect information such as:
This information is anonymized and aggregated. We cannot identify you personally from this data.
We use Google AdSense to display advertisements on our website. Google and its partners use cookies (including the DART cookie) to serve ads based on your visit to our site and other sites on the internet. These cookies help display ads that are more relevant to you.
You can opt out of personalized advertising by visiting Google Ad Settings or aboutads.info.
These cookies allow the website to remember choices you make, such as your preferred currency, language, or region. They provide a more personalized experience.
Many of our free tools use LocalStorage — a browser feature similar to cookies but more secure. LocalStorage stores data only on your own device and never sends it to our servers. We use it to:
You can clear LocalStorage at any time by clearing your browser data.
🍪 Cookie Consent for EEA & UK Visitors: If you are visiting from the European Economic Area (EEA) or the United Kingdom, in accordance with GDPR and the ePrivacy Directive, you will be shown a cookie consent notice before any non-essential cookies (analytics, advertising) are set. You may accept or reject these cookies, and you can change or withdraw your consent at any time by adjusting your browser settings or clearing cookies.
Consent Mode v2: We support Google's Consent Mode v2 signals, ensuring that when you have not consented, Google tags operate in a restricted mode that does not use cookies for advertising purposes. Essential cookies required for basic site functionality are set on a legitimate-interest basis and cannot be disabled.
| Cookie Name | Type | Purpose | Duration |
|---|---|---|---|
| _ga | Analytics | Used by Google Analytics to distinguish users | 2 years |
| _gid | Analytics | Used by Google Analytics to distinguish users | 24 hours |
| _gat | Analytics | Used to throttle request rate | 1 minute |
| __gads | Advertising | Used by Google AdSense to serve ads | 13 months |
| IDE | Advertising | Used by Google DoubleClick to register impressions | 13 months |
| cm_fav_tools | Preference | Stores user's favorite tools locally in browser | Persistent |
You have the right to decide whether to accept or reject cookies. You can exercise your cookie preferences in the following ways:
Most web browsers allow you to control cookies through their settings. You can:
Here are links to manage cookies in popular browsers:
You can opt-out of Google Analytics tracking by installing the Google Analytics Opt-out Browser Add-on. Visit: https://tools.google.com/dlpage/gaoptout
You can manage your ad preferences through Google Ad Settings at: https://adssettings.google.com
Disabling cookies will not affect the functionality of our calculators. All calculator operations work entirely in your browser and do not require cookies.
Cookies themselves do not contain personal information such as your name, email address, or phone number. However, they may be linked to other data held by third-party services like Google Analytics and Google AdSense.
We do not sell your personal data. We do not collect any personal information from you unless you voluntarily submit it (e.g., via the contact form).
If you are located in the European Economic Area (EEA), the United Kingdom, or California, you have additional rights regarding cookies and personal data. Please refer to our Privacy Policy for full details on your rights under GDPR and CCPA.
Our website is not directed at children under 13. We do not knowingly place cookies on the devices of children. If you are a parent or guardian and believe your child has visited our site, please contact us so we can take appropriate action.
We may update this Cookie Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. We will post any changes on this page with an updated date. Continued use of the site after changes constitutes acceptance of the updated policy.
If you have any questions about our use of cookies or this Cookie Policy, please contact us:
This Cookie Policy is effective as of September 14, 2026, and supersedes all prior versions.