Privacy Policy
Effective Date: January 26, 2026Last Updated: January 26, 2026
JIAMINGKEJI (“we”, “us”, “our”) attaches great importance to the protection of user privacy. This Privacy Policy explains how our tool application (“this Application”, “this Software”) collects, uses, stores, shares and protects your personal information, and clarifies your relevant rights.
Important Notice: Please read and fully understand the entire content of this Policy carefully before using this Application. By downloading, installing, using or continuing to use this Application, you agree that we may process your personal information in accordance with this Policy. If you do not agree with any part of this Policy, please stop using this Application immediately.
1. Information Collection and Use
We strictly follow the principle of data minimization and only collect and use your information within the scope necessary to realize the functions of this Application.
1.1 Application Permissions
To ensure the normal operation of functions, we may request the following system permissions:
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Permission Purpose Scenario
Storage Permission (read/write external storage) File management and data caching Read device files for processing; save result files generated by the app; store necessary cache data.
Device Information Permission (read phone status) Device identification and security verification Obtain device identifiers to identify devices, prevent security risks, and ensure service stability.
Network Permission (access network, view network status) Connect to the Internet and online services App networking, resource downloading, data synchronization, access to online content (including advertisements).
Background Running Permission (wake lock, auto-start) Maintain background tasks Ensure file processing, data synchronization and other tasks run in the background; restore necessary services after device reboot.
System Settings Permission (modify system settings) Optimize user experience Temporarily adjust screen brightness, volume and other parameters according to your needs.
MANAGE_EXTERNAL_STORAGE Access all files in device external storage Scan PDF files in all directories on the device
READ_EXTERNAL_STORAGE Adapt to Android 12 and below, access external storage files Read content and metadata of PDF files on the device
Permission Control: You may manage the above permissions at any time via Settings > Apps > [This Application] > Permissions on your device. Disabling permissions may cause related functions to fail.
1.2 Types of Information Collected
Information you provide voluntarily: such as username and email for account registration, as well as files, text, images and other content you input, upload or process while using this Application.
Information we collect automatically: including device information (device model, OS version, unique device identifier, IP address), usage logs (running logs, crash reports, performance data), and anonymized usage statistics (function usage frequency, operation habits).
1.3 Processing of Sensitive Information
In principle, we do not collect sensitive information such as precise geographic location, contacts, SMS, call logs, camera or microphone data, or biometric information. If processing such information is required for specific functions, we will obtain your explicit consent separately and provide detailed explanations. You may revoke authorization in device settings at any time.
2. Purposes of Information Use
The information we collect will be used for:
1.Providing, maintaining and improving the core functions of this Application;
2.Handling account registration, login and transaction management;
3.Analyzing usage to optimize product experience;
4.Sending important service notifications and security alerts;
5.Preventing fraud and ensuring account and system security;
6.Complying with legal obligations.
3. Third-Party Services
To improve service functions, we integrate the following third-party service providers:
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Provider Main Function Privacy Policy Link
Adjust App analytics & ad attribution https://qa-2.adjust.com/zh/company/security-and-compliance/
AnyThink Ad aggregation & display https://p.rtbstar.cn/gl/privacy.html
Google AdMob Google advertising services https://policies.google.com/privacy
ironSource Ad monetization https://www.ronsrc.com/wp-content/uploads/2023/07/ironSource-Privacy-Policy.pdf
Mintegral Ad monetization https://www.mintegral.cn/privacy
Unity Ad monetization https://unity.com/legal/advertising-privacy-policy
These third-party service providers process information in accordance with their own privacy policies. We recommend you review their policies for details.
4. Information Sharing and Disclosure
We solemnly promise not to sell your personal information to any third party. We may share information only in the following circumstances:
1.With service providers: sharing necessary information with third-party SDK providers to achieve the purposes described in this Policy.
2.Legal compliance: to comply with laws and regulations, respond to judicial proceedings, or protect users and public interests.
3.Business transfer: in the event of merger, acquisition or asset transfer.
4.Safety protection: in urgent cases necessary to prevent fraud and safeguard the personal and property safety of users and the public.
5. Data Storage and Protection
Storage Location: Your data is mainly stored on servers in Singapore and other regions, and we ensure that processing complies with local data protection laws.
Storage Period: We retain your information only for as long as necessary to fulfill the purposes set out in this Policy, or as required by law.
Security Measures: We adopt reasonable technical and administrative measures to protect your information, including but not limited to encrypted data transmission, access control, security audit mechanisms. Please note that no Internet transmission or electronic storage method can guarantee 100% security.
6. User Rights
You have the following rights regarding your personal information:
Right of access: inquire about the personal information we hold about you.
Right of correction: correct inaccurate or incomplete personal information.
Right of deletion: delete personal information under statutory or agreed conditions.
Right to withdraw consent: revoke specific granted permissions via device settings.
Right to account cancellation: cancel your account through in-app functions or by contacting us.
Right to complain: file complaints or reports with relevant regulatory authorities.
To exercise the above rights, please contact us using the information provided in Section 9. We will process your request promptly after verifying your identity.
7. Protection of Minors
This Application is not intended for minors under the age of 13 (or a higher age required by your jurisdiction). If we discover that we have inadvertently collected personal information from a minor, we will immediately delete such information.
If you are a guardian and become aware that your child has provided us with information without consent, please contact us promptly and we will delete the relevant data as soon as possible.
8. Policy Updates
We may revise this Privacy Policy from time to time. The updated version will be posted on this page with the “Last Updated” date revised. For material changes, we will notify you prominently, such as via in-app notices.
Your continued use of this Application constitutes acceptance of the updated Policy.
9. Contact Us
If you have any questions, comments or suggestions regarding this Privacy Policy or our processing of personal information, please contact us at:
Developer: JIAMINGKEJIEmail: iansenlorenbgonzal@gmail.com
We will respond to your inquiry within 15 working days. For requests related to your personal rights, we will process them as soon as possible after identity verification.
Thank you for using our Application!