# PopupWord Privacy Policy
**Last Updated: January 2025**
PopupWord (hereinafter referred to as "this extension", "we", or "our service") takes your privacy seriously. This privacy policy explains how we collect, use, store, and protect your personal information.
## 1. Developer Information
**Extension Name:** PopupWord
**Version:** 3.0.0
**Developer:** [Li siping]
**Contact:** [Lowbyte1024@gmail.com]
## 2. Information Collection
### 2.1 Types of Information We Collect
We collect the following types of information to provide and improve our services:
#### User Account Information
- When you choose to register an account, we collect:
- Username
- Email address
- Password (encrypted and stored securely)
#### Learning Data
- Words you mark as mastered
- Custom words added through word translation feature
- Learning progress and statistics
- Extension usage preferences and settings
#### Technical Information
- Extension version information
- Browser type and version
- Operating system information
- Extension crash reports (if any)
### 2.2 Information We Do NOT Collect
We explicitly state that we do **NOT** collect the following information:
- Your complete browsing history
- Detailed web page content
- Personal sensitive information (financial, health information, etc.)
- Passwords or authentication credentials (except for our service login)
- Location information
## 3. Information Usage
### 3.1 Purpose of Use
We use the collected information solely for the following purposes:
#### Core Functionality
- Display word learning popups on web pages
- Provide web page word translation services
- Sync your learning progress and word lists
- Save your personalized settings
#### Service Improvement
- Analyze extension usage to improve features
- Fix bugs and technical issues
- Optimize user experience
#### User Support
- Respond to user feedback and technical support requests
- Send important service update notifications
### 3.2 Limited Use Statement
**We strictly comply with Chrome Web Store User Data Policy limited use requirements:**
- We only use user data to provide and improve our single-purpose functionality (English word learning)
- We do not sell user data to third parties
- We do not use user data for personalized advertising
- We do not transfer user data to data brokers or information resellers
- We do not use user data for credit assessment or lending purposes
## 4. Information Storage and Security
### 4.1 Data Storage
- **Local Storage:** Most user settings and learning data are stored locally in your browser
- **Cloud Sync:** Only when you choose to log in, we sync marked words and learning progress to our secure servers
### 4.2 Security Measures
We implement the following security measures to protect your information:
- Use modern encryption technology for data transmission
- Regular security audits and vulnerability testing
- Strict access control and staff training
- Secure server environment and data backup
### 4.3 Data Retention
- **Active Users:** We retain your data until you delete your account or uninstall the extension
- **Inactive Users:** Account data for users inactive for more than 2 years will be automatically deleted
- **Legal Requirements:** In cases required by law, we may need to retain certain data for longer periods
## 5. Information Sharing
We do not sell, trade, or otherwise transfer your personal information to third parties, except:
### 5.1 User Consent
- With your explicit consent
### 5.2 Service Providers
- Sharing with trusted third-party service providers who help us operate our services, limited to information necessary for service provision
### 5.3 Legal Requirements
- To comply with laws, regulations, legal processes, or government requests
- To protect our rights, property, or safety, as well as users' or public safety
## 6. Third-Party Services
### 6.1 Translation Service
This extension uses Youdao Translation API (https://openapi.youdao.com/api/) to provide translation functionality. When you use word translation, queried words are sent to Youdao servers. Please refer to Youdao's privacy policy for details.
### 6.2 CDN Service
We use jsdelivr CDN (https://cdn.jsdelivr.net/) to load resource files, which may record your IP address.
## 7. User Rights
You have the following rights regarding your personal information:
### 7.1 Right to Access
- View information we have collected about you
### 7.2 Right to Rectification
- Correct inaccurate or incomplete personal information
### 7.3 Right to Erasure
- Request deletion of your personal information
### 7.4 Right to Data Portability
- Export your data in commonly used formats
### 7.5 Right to Withdraw Consent
- Withdraw your consent to data processing at any time
To exercise these rights, please contact us at [Your Contact Email].
## 8. International Data Transfers
If you are located in the EU or other regions, your information may be transferred to and processed in other countries. We ensure appropriate safeguards are in place, including standard contractual clauses and other legal protection mechanisms.
## 9. Cookies and Similar Technologies
We use the following technologies:
- **Browser Storage:** To save user settings and learning data
- **Cookies:** Only for maintaining login status and service functionality
You can manage the use of these technologies through your browser settings.
## 10. Children's Privacy
Our service is intended for users aged 13 and above. We do not knowingly collect personal information from children under 13. If we discover we have collected children's information, we will immediately delete it.
## 11. Privacy Policy Updates
We may update this privacy policy from time to time. For significant changes, we will:
- Display notifications in the extension
- Update the "Last Updated" date at the top of this document
- Email registered users (if applicable)
## 12. Contact Us
If you have any questions, comments, or complaints about this privacy policy, please contact us through:
**Email:** [Your Contact Email]
**Feedback:** Through the feedback function within the extension
## 13. Legal Basis (For EU Users)
Under GDPR, the legal basis for processing your personal data includes:
- **Contract Performance:** To provide services you request
- **Legitimate Interest:** To improve our services and fix technical issues
- **Consent:** When you explicitly consent to processing certain data
## 14. Chrome Web Store User Data Policy Compliance Statement
We explicitly declare: **The use of information received from Google APIs will adhere to the Chrome Web Store User Data Policy, including the Limited Use requirements.**
This extension strictly complies with all Chrome Web Store policy requirements, including but not limited to:
- Single purpose principle
- Minimum permissions principle
- Transparent data processing
- User consent requirements
- Limited use policy