Snooze Tabs
SnoozeTabs is a Firefox add-on for postponing tabs, letting them be set aside for a while before returning to them.
About Snooze Tabs
Snooze Tabs is a Firefox add-on that lets users postpone browser tabs for a while and return to them later. This GitHub repository contains its source code. The repository notes that the original testpilot experiment has been discontinued and that the add-on is now available on Mozilla's add-ons site.
The project is written as a WebExtension and is released under the MPL-2.0 license. Developers can build it with npm, run a file watcher that rebuilds on changes, run tests, and lint the code. Building requires Node.js 24.20.0 and Firefox 140 or later. The repository lists no other platforms.
Key features
- Postpones browser tabs for a chosen period, then returns them
- Timing options labeled Later Today, Tomorrow, Weekend, Next Month, and Pick a Date
- Undo option listed among the add-on's icons
- Built as a Firefox WebExtension
- npm scripts for building, watching, testing, and linting
- Localization managed through the Pontoon translation platform
Best for: Firefox users who want to set tabs aside and return to them later, and developers who want to read, build, or modify the add-on's source code.
Good for
- Open source under the MPL-2.0 license
- Released version is listed on Mozilla's add-ons site
Watch out for
- The original testpilot experiment has been discontinued
- Building from source requires Node.js 24.20.0 and Firefox 140 or later
- Translations are managed through Pontoon, not direct pull requests to the repository
Snooze Tabs at a glance
- Category
- Software & Utilities › Browser Extensions
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Browser Extensions
Snooze Tabs alternatives
Tools and sites you could use instead, ranked by how closely they match.
Manage browser tabs with Prune, an extension listed for Chrome, Firefox, and Safari.
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Tangram is designed to organize and run web applications in persistent, pinned tabs.
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Automatically close unused tabs with Tab Wrangler, a browser extension intended to keep attention on the tabs currently in use.
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Auto Tab Discard uses native tab discarding to reduce memory use by inactive browser tabs.
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24 alternatives
Simple Tab Groups lets Firefox users create, modify, and quickly switch between tab groups.
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24 alternatives
Tree Style Tab is a Firefox extension that shows tabs as a tree, automatically organizing new tabs as children of the current tab.
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Snooze Tabs FAQ
Where can I get the released version?
The repository states that the add-on is available on Mozilla's add-ons site at addons.mozilla.org/firefox/addon/snoozetabs/.
How do I load the add-on from source for development?
Run npm install, then npm start. In Firefox, open about:debugging, click "Load Temporary Add-on," and select dist/manifest.json in the project directory.
How can I contribute translations?
Localization is managed through Pontoon rather than direct pull requests. Contributors should contact the existing localization team for their language or Mozilla's l10n-drivers.
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