OneTab
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Findings breakdown
detected
Permissions requested
View open tabs
Can see URLs and titles of all open tabs
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Unlimited local storage
Can store large amounts of data locally without size limits
Store local data
Can save data locally in the browser for persistence
Access current tab
Can temporarily access the content of the active tab when you click the extension
Add context menu items
Can add custom items to the right-click context menu
Access bookmarks
Can read and modify your saved bookmarks
Access favicons
Can retrieve website favicon images
Access reading list
Can read and modify items in your reading list
Manage tab groups
Can create and manage tab groups
Are you the author of OneTab?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.