Privacy Policy - DarkBlueThemeX

Last Updated: February 18, 2026

Overview

"DarkBlueThemeX" (the "Extension") is a Chrome extension that converts X's (formerly Twitter) dark theme (Lights Out) into the classic DarkBlue (Dim) theme. This Extension respects user privacy and does not collect any personal information.

Permissions Used

storage

• Used to save the toggle (enabled/disabled) state
• The only data stored is a single boolean value (true/false)
• Uses Chrome's sync storage so the setting is synchronized across devices signed into the same account

activeTab

• Used to check the state of the active tab from the popup
• Determines whether the current tab is an X page and displays the theme application status

Host Permissions (x.com, twitter.com)

• Required to apply theme conversion CSS to X pages
• The Extension does not operate on any other websites

Data Collection

This Extension does not collect any of the following data:
- Personal information (name, email address, etc.)
- Browsing history
- Cookies
- Location data
- Analytics data

External Communication

This Extension does not communicate with any external servers. All processing is performed entirely within the browser.

Data Storage

Only the toggle enabled/disabled state (a single boolean value) is stored via the chrome.storage.sync API. This data is synchronized through Chrome's account sync feature but is never transmitted to any external service.

Third-Party Sharing

Since this Extension does not collect any data, no data is shared with third parties.

Contact

For questions regarding this privacy policy, please open an Issue on the GitHub repository.

Changelog

• February 18, 2026: Initial release