TabToBook privacy policy

Effective: October 24, 2026 · Applies to the TabToBook browser extension, version 0.1 and later (free version).

The short version

TabToBook does not collect, sell, share or transmit any personal data. It has no servers, no accounts, no analytics and no ads. Everything it does happens in your browser on your device.

What the extension reads, and when

  • It reads a web page only when you ask it to: by clicking its toolbar button, choosing its right-click menu item, or pressing its keyboard shortcut. It uses Chrome's activeTab permission, so it can only see the tab you invoked it on, and only until that tab navigates away.
  • It extracts the article text and images from that page, shows you a preview, and builds an EPUB file in your browser.
  • To embed images, your browser downloads them from the same addresses the page already uses. No other network requests are made, and nothing is sent to us or to any third party.

What is stored on your device

  • The extracted article is kept in your browser's local extension storage so the preview page can show it. It is deleted automatically after 24 hours, or right away if you click "Discard".
  • Your preferences (Amazon store region, whether to include images, whether to use a cover image) are kept in local extension storage.
  • The EPUB file you download is saved to your Downloads folder, like any other download.

Amazon Send to Kindle

TabToBook can open Amazon's own Send to Kindle web page (for example https://www.amazon.com/sendtokindle) in a new tab. You sign in and upload the file there yourself. TabToBook never sees your Amazon credentials or your Kindle email address. Amazon's own privacy notice and terms apply to that page. TabToBook is not affiliated with, endorsed by, or sponsored by Amazon. Kindle is a trademark of Amazon.com, Inc. or its affiliates.

Permissions, and why

  • activeTab and scripting: read the article in the tab you invoked TabToBook on.
  • storage: keep your preferences and the temporary preview on your device.
  • contextMenus: add the "Save this article as EPUB" right-click item.
  • downloads: save the EPUB file you create.

TabToBook does not request access to all websites, your browsing history, your tabs list, or your cookies.

Chrome Web Store Limited Use

The use of information received from Chrome APIs adheres to the Chrome Web Store User Data Policy, including the Limited Use requirements. No user data is collected or transferred.

Changes and contact

If a future version (for example an optional paid feature) ever needs to process data off your device, this policy will be updated before that version ships, and the feature will be opt-in. Questions: privacy@tabtobook.app (placeholder until the domain is registered).