SealSkin Isolation by LinuxServer
Open files and URLs in an isolated environment with E2E encryption.
Extension Metadata
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About this extension
SealSkin is a self-hosted, client-server platform that enables users to run powerful, containerized desktop applications streamed directly to a web browser. It uses a browser extension to intercept user actions—such as clicking a link and redirects them to a secure, isolated application environment running on a remote server. To use this Add-on with Firefox the server will need a legitimate SSL certificate placed in
Server Component: https://github.com/linuxserver/docker-sealskin
/config/ssl. Server Component: https://github.com/linuxserver/docker-sealskin
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Permissions and data
Required permissions:
- Download files and read and modify the browser’s download history
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.2.7
- Size
- 277.54 KB
- Last updated
- 3 hours ago (Jan 24, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection