Last Updated: Jun 04, 2025
Overview
This Privacy Policy describes how the Chinese Vocabulary Highlighter Chrome Extension (“the Extension”, “we”, “us”) collects, uses, and protects your information when you use our browser extension.
Information We Collect
Data We DO NOT Collect
- Personal Information: We do not collect any personal information such as names, email addresses, phone numbers, or other identifying information
- Browsing History: We do not track, store, or transmit your browsing history or visited websites
- Website Content: We do not store, transmit, or analyze the content of web pages you visit
- User Analytics: We do not collect usage analytics, statistics, or behavioral data
- Third-Party Data: We do not share any data with third parties, advertisers, or analytics services
Data We DO Collect (Local Storage Only)
- User Preferences: The Extension stores your auto-scan setting preference locally in your browser using Chrome’s storage API
- No Remote Storage: All data remains on your local device and is never transmitted to external servers
How We Use Information
Local Processing Only
- The Extension processes web page content locally in your browser to identify and highlight vocabulary words
- All vocabulary scanning and highlighting occurs entirely within your browser
- No website content or user data is sent to external servers or third parties
Functionality
- User preferences (auto-scan setting) are stored locally to maintain your chosen settings between browser sessions
- Vocabulary data is included within the extension package and does not require internet connectivity
Data Storage and Security
Local Storage
- All user preferences are stored locally using Chrome’s secure storage API
- No data is stored on external servers or cloud services
- Data remains under your complete control on your local device
Data Security
- Since no data is transmitted externally, there is no risk of data interception during transmission
- Your browsing activity and website content remain completely private
- The Extension operates entirely offline after installation
Permissions Explanation
activeTab Permission
- Purpose: Allows the Extension to scan and highlight vocabulary on the currently active tab only
- Scope: Limited to the tab you’re actively viewing when you use the Extension
- Data Access: Does not store or transmit any content from web pages
scripting Permission
- Purpose: Enables the Extension to inject highlighting functionality into web pages
- Usage: Only activates when you manually click the “Scan” button or enable auto-scan
- Limitations: Does not run automatically on page load without your explicit action
storage Permission
- Purpose: Stores your auto-scan preference setting locally
- Scope: Only stores user configuration data, not browsing or content data
- Location: All data remains on your local device
Third-Party Services
- The Extension does not integrate with any third-party services
- No data is shared with advertising networks, analytics providers, or other external services
- The Extension operates completely independently without external dependencies
Children’s Privacy
The Extension does not knowingly collect any information from children under 13 years of age. Since we do not collect personal information from any users, this policy applies to all users regardless of age.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be reflected in the “Last Updated” date at the top of this policy. Continued use of the Extension after any modifications indicates your acceptance of the updated Privacy Policy.
Data Retention
- User preferences are retained locally until you uninstall the Extension or clear your browser data
- No data retention occurs on external servers since no data is collected externally
- You can clear all Extension data by uninstalling the Extension
Your Rights and Control
- Complete Control: You have complete control over all data since it remains on your local device
- Data Removal: Uninstalling the Extension removes all associated local data
- No Account Required: The Extension does not require account creation or login
- Opt-Out: You can disable auto-scan or stop using the Extension at any time
Contact Information
If you have any questions about this Privacy Policy or the Extension’s privacy practices, please contact us at aronhack2018@gmail.com
Compliance
This Extension complies with:
- Chrome Web Store Developer Program Policies
- General Data Protection Regulation (GDPR) principles
- California Consumer Privacy Act (CCPA) guidelines
Summary: This Extension prioritizes your privacy by operating entirely locally on your device. We do not collect, store, or transmit any personal information, browsing data, or website content. All functionality occurs within your browser, ensuring your privacy and security.