Privacy Policy
Effective Date: March 6, 2026
Thank you for choosing to use PDFReaderMax (hereinafter referred to as "this Application"). We take your privacy very seriously. This privacy policy aims to explain to you how we collect, use, store, and protect your personal information.
1. Information We Collect
1.1 Device Permissions
To provide PDF reading, editing, and signature features, this application requires access to your device permissions:
• Storage Permission (Read/Write External Storage): Used to access, read, modify, and save PDF files and related image resources (such as signatures, seals) on your device.
• Camera/Photo Album Permission: When you use the "Create Signature" or "Extract Seal" features, we need to access your camera or photo album to obtain image sources. This operation is performed locally only and will not be uploaded to our servers.
1.2 Non-Personal Identity Information
To improve application performance and user experience, we may collect non-personal identity information, such as device model, operating system version, application crash logs, etc. This information cannot be used to directly identify your personal identity.
2. Use of Information
The information we collect is primarily used for:
• Providing PDF document viewing, editing, signing, and seal extraction services.
• Improving application stability and features.
• Processing your feedback and technical support requests.
3. Information Storage and Protection
3.1 Local Processing
The core functions of this Application (including PDF reading, signature addition, seal extraction) are all performed locally on your device. Your documents, signature images, and seal images will not be uploaded to our servers, unless you actively use the "Share" function within the application to send them via a third-party application.
3.2 Data Security
While we do not store your personal files, we recommend that you take care to protect your device's security to avoid file leakage caused by device loss or theft.
4. Third-Party Services
The core function of this tool is office-oriented PDF processing services, which is not specifically designed for children, and we have no intention of actively collecting children's personal information. If a child really needs to use this tool, it must be carried out on the premise that their guardian is fully informed and explicitly consents. All collection of children's personal information must first obtain the guardian's explicit written or oral consent (the guardian can confirm consent through the designated channel of this tool). If the guardian's consent is not obtained, this tool will resolutely not collect any children's personal information.
5. Children's Privacy
The core function of this tool is office-oriented PDF processing services, which is not specifically designed for children, and we have no intention of actively collecting children's personal information. If a child really needs to use this tool, it must be carried out on the premise that their guardian is fully informed and explicitly consents. All collection of children's personal information must first obtain the guardian's explicit written or oral consent (the guardian can confirm consent through the designated channel of this tool). If the guardian's consent is not obtained, this tool will resolutely not collect any children's personal information.
6. Changes to the Privacy Policy
We may update this privacy policy from time to time. The updated policy will be posted on this page, with the effective date indicated. Your continued use of this application signifies your agreement to be bound by the revised privacy policy.