# Privacy Policy — X Personalizer Last updated: March 2026
## Data Collection X Personalizer does not collect, store, transmit, or share any personal data.
## What the extension does - Saves your customization preferences (colors, fonts, background) locally on your device using Chrome's storage API - Reads the ct0 cookie on x.com only to display your own analytics data - All data stays on your device and is never sent to any server
## Third parties X Personalizer does not share any data with third parties.
## Contact If you have any questions, contact: zhangxiaofan91@gmail.com