This extension does not collect any user data. No browsing history, no form data, no personal information, no analytics or tracking SDKs, no third-party tracking code.
Data Storage
All data is stored locally in the browser (chrome.storage.local):
| Data | Purpose | Location |
|---|---|---|
| Editor content | Auto-save user's Markdown text | Browser local |
| KDP keywords & categories | Keyword Workshop saved data | Browser local |
| KDP metadata (title, author, etc.) | Metadata Export saved data | Browser local |
| Theme preference | Light/dark theme choice | Browser local |
| Language preference | UI language choice | Browser local |
| Writing goal & daily progress | Daily word count tracking | Browser local |
| Last opened file | Restore last editing state | Browser local |
This data never leaves your browser. No cloud servers, no remote sync, no data upload.
Permissions
| Permission | Purpose |
|---|---|
storage | Save editor content, KDP metadata, and user preferences locally |
contextMenus | Right-click menu: append selection to editor, convert page to Markdown |
activeTab | Get current tab info for Web-to-Markdown conversion |
sidePanel | Open editor in Chrome Side Panel |
<all_urls> (host_permissions) | Content script injects a floating button on web pages — only shows a UI overlay, does not read/modify/transmit page content |
Content Script Behavior
- Shows a floating "KDP Kit" button when user selects text (3+ characters) on a webpage
- On click, only saves the user's selected text to local storage, then opens the editor
- Does not read webpage DOM content beyond the user's text selection
- Does not modify any webpage content
- Does not transmit any data to remote servers
Third-Party Libraries
This extension uses only one third-party library:
| Library | License | Purpose | Loading |
|---|---|---|---|
| marked | MIT | Markdown parsing | Local (bundled in lib/) |
No remote code is loaded. No CDN dependencies. No network requests are made by the extension.
Contact
- Website: https://xbookvideo.com
- Email: team@xbookvideo.com