QuaranTab by Smotana LLC
Safely use sensitive data with online tools
Available on Firefox for Android™Available on Firefox for Android™
14 Users14 Users
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Extension Metadata
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About this extension
Safely use sensitive data with online tools. Browser extension to cut-off network access to a website to prevent it from phoning home. This allows you to input sensitive data into a website without worrying about it being stolen.
Use cases:
- Parse a live JWT token
- Decode a Base64 Authorization header
- Hash a password
- Parse a Protobuf message
Permissions explained:
"proxy" - Required to cut-off network access to the website by routing requests to a non-existent Socks proxy
"tabs" - Required to re-open a tab in a new container
"cookies" - Required for manipulating Container data and clearing browser data for temporary containers
"contextualIdentities" - Required for creating/deleting Containers
"privacy" - Required for temporarily disabling WebRTC globally
"webRequest" - Required for monitoring active connections to determine when it's safe to use
"scripting" - Required for injecting a content script for shutting down active connections
"storage" - Required for keeping track of WebRTC initial enable state
"<all_urls>" - Required to intercept proxy web requests for all sites
Use cases:
- Parse a live JWT token
- Decode a Base64 Authorization header
- Hash a password
- Parse a Protobuf message
Permissions explained:
"proxy" - Required to cut-off network access to the website by routing requests to a non-existent Socks proxy
"tabs" - Required to re-open a tab in a new container
"cookies" - Required for manipulating Container data and clearing browser data for temporary containers
"contextualIdentities" - Required for creating/deleting Containers
"privacy" - Required for temporarily disabling WebRTC globally
"webRequest" - Required for monitoring active connections to determine when it's safe to use
"scripting" - Required for injecting a content script for shutting down active connections
"storage" - Required for keeping track of WebRTC initial enable state
"<all_urls>" - Required to intercept proxy web requests for all sites
Rated 5 by 2 reviewers
Permissions and data
Required permissions:
- Read and modify privacy settings
- Control browser proxy settings
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.0.8
- Size
- 537.06 KB
- Last updated
- 4 days ago (Sep 25, 2026)
- Related Categories
- License
- MIT License
- Version History
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