Privacy Policy
Last updated: August 2026
Summary
CatToolKit is a collection of browser-based developer tools. All processing happens locally in your browser. We do not collect, store, or transmit any data you enter into our tools.
Data Processing
All tool operations (formatting, encoding, hashing, etc.) are performed entirely on your device using client-side JavaScript. No data is sent to our servers or any third party. Your input never leaves your browser.
Cookies
CatToolKit uses localStorage to save your theme preference (light/dark mode). No tracking cookies are set by our site. Third-party advertising partners may use cookies as described below.
Advertising
We use Google AdSense to display advertisements. Google may use cookies and web beacons to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google Ads Settings. For more information, see how Google uses data when you use our partners' sites.
Analytics
We do not use any analytics or tracking services. There is no Google Analytics, no pixel tracking, and no fingerprinting.
Third-Party Links
Our site may contain links to external websites. We are not responsible for the privacy practices of those sites.
Children's Privacy
CatToolKit is not directed at children under 13. We do not knowingly collect personal information from children.
Changes to This Policy
We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date.
Contact
If you have questions about this privacy policy, please contact us at feedback@xxmind.cc.cd.