Privacy Policy
Last updated -
May 26, 2025
Privacy Policy for Gainful
Introduction
Gainful is a productivity-focused Chrome extension designed to help users stay focused and reduce distractions while browsing. This privacy policy explains how we handle your data.
Data Collection and Storage
What We Store
We store the following user preferences locally in your browser using Chrome's storage API:
1. Feature Settings:
- Greyscale mode preference
- Blue light filter preference
- Blur mode preference
- Hide mode preference
- Reduced motion preference
2. Site-Specific Settings:
- YouTube settings (recommended videos, sidebar, comments visibility)
- X/Twitter settings (right sidebar, left sidebar, fluff content visibility)
3. Site Blocking Configuration:
- List of blocked websites
- Block status for each site
- Custom site blocking rules
How We Store Data
- All data is stored locally in your browser using Chrome's storage.sync API
- Data is synchronized across your devices where you're signed into Chrome
- No data is sent to external servers
- No data is shared with third parties
Data Usage
Local Processing
- All data processing occurs locally in your browser
- We use the stored preferences to:
- Apply visual filters (greyscale, blue light, blur)
- Hide distracting elements
- Block specified websites
- Customize the appearance of supported websites
Website Access
- The extension requires access to websites to:
- Apply visual modifications
- Block distracting content
- Implement site-specific features
- We do not collect or store any website content or browsing history
Permissions Usage
Required Permissions
1. activeTab: Used to modify the current tab's appearance and content
2. storage: Used to save user preferences
3. scripting: Used to inject and execute content scripts
Host Permissions
- The extension requires access to all websites (<all_urls>) to:
- Apply visual filters globally
- Block distracting content
- Implement site-specific features
- No data is collected from these websites
Data Security
- All data is stored locally in your browser
- No data is transmitted to external servers
- No data is shared with third parties
- You can clear all stored data by uninstalling the extension
Your Rights
You have the right to:
- Access your stored preferences
- Modify your preferences at any time
- Clear all stored data by uninstalling the extension
- Disable specific features that you don't want to use
Changes to This Policy
We may update this privacy policy from time to time. Any changes will be reflected in the extension's documentation and the Chrome Web Store listing.
Contact
For any questions about this privacy policy or the extension's data handling, please contact us through the Chrome Web Store listing.