This Privacy Policy describes how PDF Master collects, uses, and shares information when you use our mobile application (the "App").

1. Information We Collect

We collect several types of information from and about users of our App, including:

1.1 Information You Provide to Us

The App may ask you to provide certain information voluntarily, including but not limited to:

• Contact information, such as your email address when you contact customer support
• Information you provide when you respond to surveys or communicate with us
• PDF documents and images you choose to process using the App

1.2 Information Collected Automatically

When you use our App, we may automatically collect certain information, including:

• Device information: such as your mobile device model, operating system version, unique device identifiers, network information, and other device-related information
• Usage information: including how you interact with the App, the features you use, the actions you take, and the time, frequency, and duration of your activities
• Location information: if you allow the App to access your location, we may collect and process information about your actual location

1.3 Information Collected from Third Parties

We do not currently collect information about you from third parties. However, if we do so in the future, we will inform you in this Privacy Policy or through other appropriate means.

2. How We Use Your Information

We use the information we collect for various purposes, including:

• To provide, maintain, and improve our App, including to develop new features and services
• To process and manage your PDF documents and images as requested through the App's features
• To understand how users interact with our App, which helps us improve the user experience
• To personalize your experience with the App
• To communicate with you, including to respond to your inquiries and provide customer support
• To protect the security and integrity of our App and our users
• To comply with applicable laws and regulations

3. How We Store and Protect Your Information

We take reasonable measures to help protect your information from loss, theft, misuse, and unauthorized access, disclosure, alteration, and destruction. However, no method of transmission over the internet or electronic storage is completely secure, so we cannot guarantee absolute security.

Your PDF documents and images are primarily stored locally on your device. When necessary for specific App features (such as document processing), your files may be temporarily processed on our secure servers, but we will not retain them longer than necessary to provide the requested service.

4. Sharing Your Information

We do not share your personal information with third parties except in the following circumstances:

• With service providers who perform services on our behalf, such as cloud storage providers and payment processors, who are contractually obligated to protect your information and use it only for the purposes we specify
• When required by law, such as to comply with a subpoena or similar legal process
• To protect our rights, privacy, safety, or property, and that of our users, employees, and others
• In connection with a merger, acquisition, or sale of all or a portion of our assets, where we would require the receiving party to honor this Privacy Policy

We do not sell, rent, or lease your personal information to third parties for marketing purposes.

5. Your Choices and Controls

You have several choices regarding the information we collect and how we use it:

5.1 Accessing and Correcting Your Information

You may access, correct, or delete certain information by contacting us at pdfdashi2327@163.com. We will respond to your request within a reasonable timeframe.

5.2 Location Information

You can control whether the App has access to your location through your device's settings. If you disable location access, some features of the App may not function properly.

5.3 Opting Out of Communications

You can opt out of receiving promotional communications from us by following the instructions in those communications or by contacting us at pdfdashi2327@163.com. Even if you opt out, we may still send you non-promotional communications, such as those about your account or our ongoing business relations.

5.4 Deleting Your Account

You may request the deletion of your account by contacting us at pdfdashi2327@163.com. Upon verification of your identity, we will delete your account and associated information, except as required by law or for legitimate business purposes.

6. Children's Privacy

Our App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If we learn that we have collected personal information from a child under 13, we will delete that information as quickly as possible. If you believe that a child under 13 may have provided us with personal information, please contact us at pdfdashi2327@163.com.

7. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. When we do, we will revise the "Last Updated" date at the bottom of this page. We encourage you to review this Privacy Policy periodically to stay informed about how we are protecting your information.

If we make material changes to this Privacy Policy, we will notify you through the App or by other means, such as email, before the changes take effect. Your continued use of the App after the effective date of the revised Privacy Policy constitutes your acceptance of the revised policy.

8. International Data Transfers

If you use our App outside of the country where our servers are located, your information may be transferred to, stored, and processed in the country where we or our service providers maintain servers. By using the App, you consent to the transfer of your information to countries outside of your country of residence, which may have different data protection laws than your country.

9. Third-Party Links and Services

Our App may contain links to third-party websites, services, or applications. This Privacy Policy does not apply to those third parties, and we are not responsible for their privacy practices. We encourage you to review the privacy policies of any third-party services you use.

10. Data Retention

We retain your personal information for as long as necessary to provide the services you request and for other legitimate business purposes, such as complying with our legal obligations, resolving disputes, and enforcing our agreements. When determining the appropriate retention period for personal information, we consider the amount, nature, and sensitivity of the information, the potential risk of harm from unauthorized use or disclosure, the purposes for which we process the information, and whether we can achieve those purposes through other means, as well as applicable legal requirements.

11. Your Rights Under Data Protection Laws

Depending on your location, you may have certain rights under applicable data protection laws, including:

• The right to access your personal information
• The right to correct inaccurate personal information
• The right to request deletion of your personal information
• The right to restrict or object to processing of your personal information
• The right to data portability
• The right to withdraw consent, where processing is based on consent

To exercise these rights, please contact us at pdfdashi2327@163.com. We will respond to your request in accordance with applicable law.

12. Contact Us

If you have any questions or concerns about this Privacy Policy or our privacy practices, please contact us at:

pdfdashi2327@163.com

We will make every effort to address your concerns promptly and thoroughly.

13. Additional Disclosures for California Users

California residents may have additional rights under the California Consumer Privacy Act (CCPA) and the California Privacy Rights Act (CPRA). For more information about these rights and how to exercise them, please contact us at pdfdashi2327@163.com.

14. Additional Disclosures for European Union Users

If you are located in the European Union, you have rights under the General Data Protection Regulation (GDPR). We process your personal information based on the following legal bases:

• Performance of a contract: To provide the App and its features to you
• Legitimate interests: To improve our App and protect our users and services
• Consent: For certain processing activities, which you can withdraw at any time

You also have the right to lodge a complaint with a supervisory authority if you believe our processing of your personal information violates the GDPR.

15. Mobile App-Specific Disclosures

Our App collects information that your mobile device provides, including but not limited to the type of mobile device you use, your mobile device unique ID, the IP address of your mobile device, your mobile operating system, and information about the way you use our App.

We may use mobile analytics software to allow us to better understand the functionality of our App on your mobile device. This software may record information such as how often you use the App, the events that occur within the App, aggregated usage, performance data, and where the App was downloaded from.

We do not collect personal information through our mobile analytics software. We may use the information we collect to improve our App and services.

16. Cookies and Similar Technologies

Our App may use cookies and similar technologies to enhance your experience. Cookies are small data files stored on your device that help us recognize you and remember your preferences. You can control cookies through your device settings, but disabling cookies may affect the functionality of the App.

17. Consent to Processing

By using our App, you consent to the collection, use, and sharing of your information as described in this Privacy Policy.