Privacy policy for PDF Book reader

 Privacy Policy for PDF Book Reader Effective date: 

April 11, 2026 PDF Book Reader \("the App"\) is developed to help users open, read, and process PDF files. This Privacy Policy explains what data the App processes and how it is used. 1. Information We Process- Files you choose: The App lets you select PDF files from your device using the file picker.- Extracted text: If you use text extraction, text is processed so it can be displayed in reader mode.- Word lookups: Words you search may be sent to dictionaryapi.dev to return definitions.- Translation requests: If you enable translation, text may be sent to Google Translate services.- Advertising data: The App uses Google Mobile Ads, which may process device/usage data for ads.- Local cache: The App stores dictionary results in a local SQLite cache on your device. 2. How We Use Information- To open and render PDF files you select.- To extract and display text, provide vocabulary support, and translation features.- To cache definitions locally to improve speed and reduce repeated network requests.- To show ads and support ongoing app development. 3. Data Sharing The App does not sell your personal information. Data may be shared only with service providers needed for core features, including:- Google Mobile Ads \(ads delivery and measurement\).- Dictionary API provider \(word definitions\).- Translation provider used by the translation feature. 4. Data Storage and Retention- Dictionary cache is stored locally on your device until you clear app data or uninstall the App.- Selected PDF files remain where they already exist on your device unless you manage them. 5. Your Choices- You can choose whether to use translation features.- You can control ad preferences through your device and Google settings where available.- You may stop using the App at any time and uninstall it to remove locally stored app data. 6. Children’s Privacy The App is not directed to children under 13. If you believe a child provided personal data, please contact us so we can address it. 7. Security We use reasonable technical measures, but no method of storage or transmission is 100% secure. 8. Changes to This Policy We may update this Privacy Policy from time to time. Updates are effective when posted in the App or in project/release documentation. 9. Contact For privacy questions, contact the app publisher/developer through the store listing or support channel. By using the App, you agree to this Privacy Policy.