Lazy tabs

Lazy tabs

Open links in paused (discarded) tabs and pause selected tabs (from the right-click context menu). Also with "Lazy Mode".

Lazy tabs promo image
What is Lazy tabs?

Lazy tabs is a Firefox add-on by martin. This add-on has 21 daily active users and a perfect 5.0 rating. The latest version, 4, was updated 2 years ago.

Stats date:
By: martin
Users: 21
Rating: 5.00 (1)
Version: 4 (Last updated: 2021-07-03)
Creation date: 2021-04-07
Weekly download count: NaN
Firefox on Android: No
Manifest version: 2
  • <all_urls>
  • webRequest
  • webNavigation
  • menus
  • bookmarks
  • tabs
Size: 10.30K
Risk impact: High risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge

ChromeStats Rank

Other rankings
#52 in pause keyword
This extension allows you to discard tabs and open links, bookmarks and bookmark folders in discarded tabs.

It adds a button on the tab bar that turns on/off the "Lazy Mode".
When Lazy Mode is ON all new background tabs are automatically paused.

You can't pause the current active tab, just switch to another tab and pause it from there.
If you have bookmarks with URLs like or, you should open them from the context menu item, Lazy Mode can't intercept requests to that sites for security reasons, I guess. This only happens with bookmarks and Lazy mode, otherwise everything works fine.

This add-on needs some permissions. If you're worried about that, just read the source code. It will take you less than a minute.


let lazyMode = false;
let lastOpenedTabId = 1;
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User reviews
Can i ask you? Why in discardNewTab do you delete and then create a new tab? Maybe do browser.tabs.discard(tabId) for an already created tab instead?
by Dook, 2023-04-12
View all user reviews
Risk impact

Lazy tabs requires a number of risky permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Lazy tabs if you trust the publisher.

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypass your security settings, and access your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Risk likelihood

Lazy tabs has earned a fairly good reputation and likely can be trusted.

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Browser Add-ons, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on, especially ones with higher risk impact and/or higher risk likelihood.

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