Works as expected but not compatible with Firefox containers.
It is able to move all tabs into a list but when it restores them back, it is not in the same container!

9-9-25; HAHAHAHHA WHAT A JOKE. Should rename this FLAKY tab. The most unstable flaky addon ever.
Requires constant reinstalls. Can't load all features reliably. Takes forever to load and simply will not work with bigger lists like 100 or so entries. SELL IT to someone who can do the job because you can't developer.
3-30-25: take a coffee break while your waiting for this slug addon to respond. Unaware of any feature that allows you to quickly save tabs that will not be erased when you delete your cache requiring reinstalling them. Developer needs to DEVELOP IT.
7-29-23: better. still lags and is slow to respond to user input. Still no way to autosave your tabs, still having to cut and paste and save manually. This would be a good extension to allow syncing among different browsers,but I haven't seen that yet. Should have a way to annotate the tabs easily.
3-17-23: gotten better, good. Need to add an simplified instruction manual. Behaves differently across different browsers, not good. Need to add feature to auto save the urls instead of making you cut and past and manually save them. Still often painfully slow to load up and display and to add the urls to the list. SLOWWWWWW, wake me up when it's over. Good idea, fails mostly on implementation.
12-17-22 Better than it was, but still has a long ways to go to be compatible with most browsers. Biggest problem is constant lags and inability to show the tabs you supposedly saved. No auto backup of tabs, must do manually. Often have to reinstall to get it to work right. It helps but it's a PITA to use it. Better than bookmarks thou.
11-3-2022: another "recommended" addon waiting for someone who actually knows browsers and how to program to fix it's buggy behavior. Slow or impossible to load, unresponsive. No instructions. cannot backup links except manually by cutting and pasting. Has a mind (mentally ill) of it's own, rules for operation constantly changing. Has potential if someone who KNOWS how to program and KNOWS browsers would take it over an fix all it's bugs.
Often requires you to disable and re-enable the extension in order to get it to load. Slow to load. U must manually save the links as there is nothing in the program to do it and it sometimes loses the links. Idiot developer puts the SHARE link button too close to the Lock button and you are constantly having to delete the share that it made accidentally. Often opens a second window without any input from you. It's rough around the edges. Being "recommended" by ffox is no guarantee addons are any good.

One of the best productive addons. Thanks for sharing.

مميزة

OneTab Team, you are awesome. Thanks for this

not working properly for mozilla

Супер

I don't praise many things, but for years, I've used OneTab to collect and categorize website "reminders"--shortcuts to things like movies I've yet to stream, and eateries I'd like to try--and it's been failure proof. While Bookmarks are fine for some things, THIS is the way to cleanly pin-up webpages on the fly--simply and elegantly.

My precious tabs are ruined by this hateful and horrible extension. DO NOT try to install it, STAY AWAY from it as soon as possible! ! ! -- Advice from Tears.

Incredible how middle-of-the-road this extension still is after all those years of development...

MEMORY REDUCTION: yes, it can help you save memory... But a tab suspender does that equally well.

SESSION MANAGEMENT: well... VERY disappointing for that. On the OneTab Page you cannot move tabs to another window. You can't even rearrange windows.... Pretty useless for anybody who wants the tiniest amount of control over his "sessions".

Co raz częściej z trudem wczytuje listę zapamiętanych kart.

This f*cking thing. DO NOT DOWNLOAD. I kept it for 15 minutes before realising I didn't need it. When I uninstalled it. IT CLOSED *ALL* OF MY TABS. 400 Tabs. Absolutely horrible extension. Steer clear!

ORIGINAL: OneTab is without question, the absolute best extension I have found for Firefox. If I could only have ONE extension, I would pick this one. This extension is SO helpful! I especially like that you have provided a way to export/import the data so it will never be lost. Thank you so much! It is SO helpful to me that I would rate it at 10 stars, if I could! So generous of you to share it.
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I came back today to make a donation because OneTab is a lifeline for me. It is some of the best system design, programming, and documentation I have seen - and I was an IT professional before I retired. Congratulations for a bang-up job, guys. Work of this quality should be rewarded.
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I don't really understand some of the reviews about losing data. I do my own backups. I just copy/paste the lot into a wordpad.rtf file (using your export feature), which is saved in a folder that is backed up with my data drive (my system is on a separate drive). It is dead easy to restore to OneTab.

Now that you have all these new features, I will have to revise my backup strategy, since there are now many control fields that must be considered (groups, pins, etc.), to get everything back in original format.

Thank you so much for sharing this with us.
Grateful in North Carolina,
AnneF

p.s. What is the reason OneTab doesn't display in Private Windows? It does save tabs, it just doesn't display there - it calls up a standard window instance.

Unfortunately it broke somehow in the latest firefox. Does not display the tab page anymore on startup and right clicking the extension symbol does not bring up the extension controls anymore. Please fix this extension asap. It's a really great extension.

When I re-install my system, the all web is gone...how to find them back? It's horrible.