Privacy Policy for CodeFill Extension
Last updated: August 22, 2025
Overview
CodeFill is a browser extension designed to automatically inject user-defined code templates into the LeetCode editor. This privacy policy explains how we handle your information when you use our extension.
Data Collection
We do not collect any personal data. CodeFill operates entirely within your browser and does not transmit any information to external servers.
What We Don't Collect
- Personal identifiable information (name, email, address, etc.)
- Health information
- Financial and payment information
- Authentication information (passwords, credentials)
- Personal communications
- Location data
- Web browsing history
- User activity data beyond local functionality
- Website content
Data Storage
All data used by CodeFill is stored locally in your browser using Chrome's storage API. This includes:
- Your custom code templates
- Language preferences
- Extension settings and configurations
This data remains on your device and is never transmitted to any external servers or third parties.
Data Usage
The locally stored data is used solely to:
- Save your custom code templates
- Remember your language preferences
- Maintain your extension settings
- Provide the core functionality of injecting templates into LeetCode
Third-Party Access
- We do not sell, trade, or transfer your data to third parties
- We do not use your data for purposes unrelated to the extension's functionality
- We do not use your data for creditworthiness or lending purposes
- No external analytics or tracking services are used
Permissions
CodeFill requests the following permissions:
- Storage: To save your templates and settings locally
- Active Tab: To detect when you're on a LeetCode page
- Host Permissions (leetcode.com): To inject your templates into the LeetCode editor
These permissions are used exclusively for the extension's core functionality.
Data Security
Since all data is stored locally in your browser:
- Your data is protected by your browser's security mechanisms
- No data transmission means no risk of interception
- You maintain full control over your data
Data Deletion
You can delete all extension data by:
- Uninstalling the extension, or
- Clearing the extension's data through Chrome's extension settings
Changes to This Policy
If we update this privacy policy, we will notify users through the extension's update notes and update the "Last updated" date above.
Contact
If you have questions about this privacy policy, please create an issue on our GitHub repository or contact us through the Chrome Web Store.
Compliance
This extension complies with:
- Chrome Web Store Developer Program Policies
- General data protection principles
- Minimal data collection practices