
Containers
Containers isolate cookies and related files into separate groups, such as a finance container, according to the supplied project page.

About Containers
This page is a setup guide for Firefox containers, which isolate cookies and related files by site or by group. It explains combining two addons and assigning sites to containers, including how to handle login subdomains.
Pricing is not clearly stated.
Key features
- Reuse available numbers for temporary containers
- Delete temporary containers after the last tab closes
Containers at a glance
- Category
- Software & Utilities › Browser Extensions
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Browser Extensions

Containers alternatives
Tools and sites you could use instead, ranked by how closely they match.
Clippings saves frequently entered text for later pasting, and the site also lists separate browser tools for hiding windows and reading lists.
TinyGem uses saved links to recommend related material from manually curated sources, alongside its bookmarking service.
Simple Tab Groups lets Firefox users create, modify, and quickly switch between tab groups.
Bort lets users add bookmarks individually or import existing browser bookmarks; its tools page lists related browser extensions.
ExportCookies adds a browser action for exporting cookies to the Netscape cookies.txt format, including cookies for the current host.
Get-cookies.txt exports browser cookies in Netscape or JSON format, with the project stating that export happens locally and data is not sent elsewhere.
Popular in Browser Extensions
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