Confinement Invariants for the Top 20 Google Chrome Extensions
| Extension Name | Brief Description | Confinement Invariants | # of Users | Code Size |
|---|---|---|---|---|
| Adblock | Blocks ads on websites | None | 8,125,379 | 335.0KB |
| Adblock Plus | Blocks ads on websites | None | 4,423,859 | 350.1KB |
| Google Mail Checker | Signals new emails and displays number of unread emails | No personal Gmail data, such as login credential and email content, should be leaked | 3,174,574 | 7.5KB |
| Evernote Web Clipper | Uploads web content to user's Evernote account | Uploaded content should only be sent to Evernote. User data, such as login credentials, should remain confidential | 2,031,257 | 1242.2KB |
| Facebook Photo Zoom | Magnifies Facebook photos when mouse hovers over | No personal Facebook data should leak, including pictures viewed | 1,972,261 | 42.9KB |
| Turn Off the Light | Dims page except for videos | None | 1,915,080 | 168.2KB |
| Google Translate | Translates entire pages | Pages should only be sent to Google | 1,749,503 | 211.9KB |
| Google Chrome to Phone | Pushes links, maps, and phone numbers to Android device | Content should only be transmitted to Android device, and device information should remain confidential | 1,504,709 | 104.8KB |
| Stylish | Applies custom styles to sites | None | 1,360,817 | 41.6KB |
| Google Dictionary | Provides definitions/translations of selected text and popup with Google search | Selected text should only be sent to Google. No party should learn location where word was found | 1,285,849 | 57.3KB |
| TweetDeck | Tracks user's Facebook/Twitter, providing real-time updates | Personal Faceboook/Twitter data should not be leaked, including login credentials and updates | 1,252,169 | 621.8KB |
| Screen Capture | Capture and edit screenshots of web pages. Allows sharing to social media. | Images should remain local or be sent only to designated social media sites. No personal social media data, including login credentials, should be leaked. | 1,109,465 | 197.9KB |
| Fastest Chrome | Auto-loads next pages, provides quick search of highlighted text, and displays popularity of links on social media | Personal social media data should not be leaked. Search queries and highlighted text should only be sent to designated sites. | 1,043,820 | 328.0KB |
| Add to Amazon Wish List | Add products seen on websites to user's Amazon Wish List | Personal Amazon information, including account credentials, should not be leaked. Product data should only be sent to Amazon. | 1,037,475 | 54.3KB |
| Awesome Screenshot | Capture and edit screenshots of web pages. Can upload to Awesome Screenshot servers to obtain shareable links. | Images should remain local or be sent only to Awesome Screenshot servers | 1,007,922 | 492.0KB |
| Shopping Assistant | Shows similar products from Amazon/eBay when searching retailer websites | Searched product information should only be sent to designated shopping sites | 957,562 | 409.5KB |
| Facebook Notifications | Signals new Facebook notifications | Personal Facebook data should not be leaked, such as login credentials and notification details | 929,612 | 14.5KB |
| Speed Dial | Fills new tab page with user-chosen bookmark icons | User bookmarks and history should remain confidential. | 816,907 | 219.3KB |
| Webpage Screenshot | Capture and edit screenshots of web pages. No image uploads. | Images should remain local | 789,482 | 209.9KB |
| AddThis | Allows sharing of web content to social media | Shared content should only be sent to appropriate social media site. No personal information should be leaked, such as login credentials. | 783,685 | 740.7KB |