MBBrowser ("we", "us", or "our") values your privacy. This Privacy Policy describes how we collect, use, disclose, protect, and handle personal information you provide when using MBBrowser fingerprint browser services (including the website, applications, and browser extensions). Please read this policy carefully before using our services. If you do not agree with any terms, please stop using our services immediately.
1. Information We Collect
1.1 Information You Provide
- Account registration details: email address, phone number, username, and password.
- Payment information for subscriptions or top-ups (we do not store sensitive payment data such as credit card numbers directly; this is handled by third-party payment processors).
- Name, contact details, and issue descriptions when you contact support or submit feedback.
- Browser environment configuration files and proxy information you upload or import (used solely to provide the service).
1.2 Automatically Collected Information
- Device information: browser type, operating system, device model, IP address, MAC address, screen resolution, etc.
- Usage data: login times, pages visited, click behavior, session duration, fingerprint environment creation/usage records, etc.
- Cookies and similar technologies: used to remember your login status, preferences, and analyze website usage.
1.3 Information We Do Not Collect
- We do not actively collect personally identifiable information (e.g., real name, national ID, bank card number) unless you voluntarily provide it for a specific service.
- We do not collect or store webpage content you browse within the fingerprint browser environment, passwords entered, or chat records.
2. How We Use Your Information
- To provide, maintain, and improve MBBrowser services (e.g., creating fingerprint environments, multi-account management, cloud sync).
- To process your subscriptions, payments, and refund requests.
- To verify your identity and prevent fraud or abuse.
- To send you service notifications, update announcements, and account security alerts.
- To analyze service usage and optimize product features and user experience.
- To comply with laws and regulations, respond to judicial requests, or protect the legal rights of us and our users.
3. Sharing and Disclosure of Information
We do not sell your personal information to third parties. We only share your information in the following circumstances:
- With service providers (e.g., cloud storage, payment platforms, email services), limited to what is necessary to provide the service and bound by strict confidentiality agreements.
- In cases of merger, acquisition, or asset transfer, transferred to the successor entity.
- In response to lawful requests from courts, regulatory authorities, or law enforcement agencies.
- When necessary to protect the legal rights of MBBrowser, users, or the public.
4. Data Storage and Protection
- Your personal information is stored on secure servers in mainland China or overseas locations we select.
- We use industry-standard security measures (such as encrypted transmission, access controls, and regular security audits) to protect your information. However, internet transmission and storage carry inherent risks and we cannot guarantee 100% security.
- You are responsible for keeping your account password secure and preventing unauthorized disclosure.
5. Your Rights
- Access, correct, or supplement your personal information.
- Delete your account and related data (irreversible; may affect service access).
- Withdraw consent for certain information collection (may result in some features being unavailable).
- Cancel your account (contact customer support).
To exercise any of the above rights, please contact us at:
6. Protection of Minors
Our services are not directed at individuals under the age of 18. If you are a minor, please use our services only with the accompaniment and consent of a guardian.
7. Policy Updates
We may update this Privacy Policy from time to time. Updates will be announced prominently on our website, and the effective date of the new version will apply. Continued use of the service constitutes acceptance of the updated policy.
8. Contact Us
If you have any questions about this Privacy Policy, please contact us at:
We will respond to your inquiry within a reasonable time. Thank you for trusting and using MBBrowser!