Privacy Policy

PDF Master Pro Privacy Policy

Effective Date: January 6, 2026

Welcome to PDF Master Pro (hereinafter referred to as “the App,” “we,” or “us”). We highly value users’ privacy and personal information protection. This Privacy Policy is intended to explain how we collect, use, store, and protect relevant information during your use of the App, as well as the rights you are entitled to under applicable laws. Please read and fully understand this Privacy Policy before using the App.

1. Information Collection

  - Usage Information: The App may collect information related to your use of PDF file processing features, such as file type, file size, operation time, and usage frequency, in order to improve performance and optimize user experience.

  - Technical Information: Including device model, operating system version, unique device identifiers, IP address, and network type, which are used to ensure proper operation of the App and for performance analysis.

  - Advertising Information: To provide personalized advertising, the App may collect anonymous advertising identifiers (such as the Google Advertising ID) and ad interaction data through AdMob.

2. Information Use

  - To optimize application performance and PDF processing experience.

  - To provide PDF editing, merging, splitting, encryption, and other related features.

  - To analyze usage behavior and improve functions and interface design.

  - To deliver interest-based advertisements and recommended content without collecting personally identifiable information.

3. Information Sharing and Disclosure

  - To share anonymous identifiers and usage data with advertising service providers (such as Google AdMob) for the purpose of displaying personalized ads.

  - To provide necessary information in compliance with laws, regulations, or judicial requirements.

  - To provide necessary information in matters related to application security or fraud prevention, strictly limited to the minimum required scope.

4. User Rights

  - Users may manage permissions or disable related features at any time through system or app settings.

  - For collected anonymous data, you have the right to request deletion or restriction of use. Where permitted by law, you may contact customer support to exercise these rights.

5. Third-Party Services

  - The App uses Google AdMob to provide advertising services. AdMob may use cookies or device identifiers to deliver personalized ads. For more details, please refer to Google’s Privacy Policy.

  - We do not control the data collection practices of third-party advertising platforms and are not responsible for their privacy practices, but we strive to select compliant partners.

6. Contact Us

If you have any questions, comments, or requests regarding this Privacy Policy or the use of your information, please contact us at:

  - Email: lucylii421@gmail.com 

We will respond within a reasonable time and assist you in exercising your related rights.

7. Policy Updates

  - We may update this Privacy Policy from time to time to reflect changes in laws, regulations, or feature upgrades.

  - Updated versions will be announced or notified within the App. We recommend that you review the latest Privacy Policy regularly.