PDF Master Privacy Policy

PDF Master (hereinafter referred to as "the App" or "we") highly values your privacy and the protection of your personal information. This Privacy Policy aims to explain how we collect, use, store, and protect your personal information, as well as your rights.

1. Information We Collect

When you use the App, we may collect the following information:

• Device Information: Including device model, operating system version, device identifier, etc.

• Usage Data: We may collect information on how you use the App, such as the number of PDF files read and usage duration.

• File Data: With your explicit authorization, we may access the PDF files you choose to open in order to provide reading, annotation, and other features.

2. How We Use Your Information

The information we collect is used for the following purposes:

• To provide and optimize PDF reading functions;

• To ensure the security and stability of the App;

• To process your feedback and support requests;

• To comply with legal and regulatory requirements.

3. Data Storage and Protection

• We take reasonable technical and managerial measures to prevent unauthorized access, use, or disclosure of your information.

• Your personal data will be retained for the necessary period, after which we will securely delete or anonymize it.

4. Third-Party Sharing

We do not sell or share your personal information with third parties unless:

• We have obtained your explicit consent;

• It is necessary to collaborate with trusted third-party service providers to enable core functionality of the App;

• It is required by law or requested by government authorities.

5. Your Rights

• Access, Correction, and Deletion: You may access, correct, or delete your personal information at any time.

• Withdraw Authorization: You may withdraw certain permissions through the App settings, but this may affect some features.

6. Updates to the Privacy Policy

We may update this Privacy Policy from time to time. The updated policy will be published on this page, and we will notify you if necessary.

7. Contact Us

If you have any questions or requests regarding this Privacy Policy, please contact us at:

• Email: mianmingtu@gmail.com