Last Updated: September 25, 2025
Mr. Wplace is a Chrome extension designed exclusively for use with WPlace (*.wplace.live) to provide image drawing and management tools on map interfaces. This privacy policy explains how we handle your data when you use our extension.
Local Storage Only:
User-uploaded images (stored as base64 data)
User preferences (language settings)
Drawing states (ON/OFF toggle states for placed images)
Bookmark positions (manually saved map coordinates)
Image metadata (timestamps, keys for organization)
What We DO NOT Collect:
Personal identifying information (names, emails, addresses)
Location data (GPS coordinates, IP addresses)
Web browsing history
Financial or payment information
Health information
Authentication credentials
Personal communications
User activity tracking across websites
All data is stored locally on your device only using Chrome's storage API. We use this data to:
Image Management: Store and organize your uploaded images for map drawing
User Preferences: Remember your language setting and drawing preferences
Bookmark Function: Save map positions you manually bookmark
Drawing State: Maintain ON/OFF states of placed images across browser sessions
Local Storage: All data is stored locally on your device using Chrome's secure storage system
No External Transmission: We never send your data to external servers or third parties
No Cloud Storage: We do not use any cloud storage services
Device-Only Access: Only you have access to your data on your device
storage & unlimitedStorage:
Purpose: Store image data, user preferences, and bookmarks locally
Scope: Limited to extension-related data only
activeTab:
Purpose: Access WPlace website to provide drawing functionality
Scope: Only active WPlace tabs when extension is used
alarms:
Purpose: Schedule paint accumulation notifications based on user-configured thresholds
Scope: Local alarms only, no external services
notifications:
Purpose: Display paint alerts when reaching configured threshold
Scope: Browser notifications only, no push notification services
Host Permissions (*.wplace.live):
Purpose: Enable image drawing on WPlace maps only
Scope: Exclusively WPlace website, no access to other sites
We DO NOT:
Sell your data to any third parties
Share your data with advertisers
Transfer your data to external services
Use your data for purposes unrelated to the extension's core functionality
Access or transmit your data outside your local device
User Control: You can delete all extension data by removing the extension or clearing Chrome extension data
Automatic Deletion: Data is automatically removed when you uninstall the extension
No External Copies: Since we don't transmit data externally, no copies exist outside your device
This extension only functions on:
WPlace website (*.wplace.live)
No other websites are accessed or affected
This extension does not knowingly collect data from children under 13. The extension's functionality is designed for general creative use on WPlace maps.
We may update this privacy policy as the extension evolves. Any changes will be reflected in the "Last Updated" date above. Continued use of the extension after changes constitutes acceptance of the updated policy.
This extension complies with:
Chrome Web Store Developer Program Policies
General privacy best practices for browser extensions
Local-only data storage principles
Data Format: Images stored as base64, settings as JSON
Storage Location: Chrome's local extension storage
Encryption: Uses Chrome's built-in storage security
Access Control: Only this extension can access its stored data
Notification System: Local alarms only, no external notification services