I installed One-tab after installing Firefox 57. I set up several tab lists and it worked OK. I then didn't use One-tab for a couple of weeks and all my tab lists have disappeared from One-tab.
Not impressed.

Microsoft shut down my PC for a critical update and lost all my tabs!

This has a bad habit of losing links. Yes, I read all the update info and etc. Two times is two times too many. I do however still use it to shut down my ridiculousness then copy the links to a notepad.

Great extentsion, highly recommend if you open a lot of tabs...just push the one tab and bing a fresh slate...Thanks Guys&Girls Love your extentsion....keep up the Good work...I Am a fan and a Believer:)

This has turned out to be a very stable addon, I installed it on all my Firefox and Chrome browsers. I have over 7,000 pages saved. The export is ultra easy to use and because it goes to a basic text file that can be copy/cut/paste anywhere I really feel safe working with thousands of links.
Allowing the naming of tabs makes finding your favorite porn sites, i mean business sites easy. Icons area visible. You can password the tabs/pages if using a shared system.
I run Process Lasso and monitor memory before and after moving tabs into OneTab - As the Author says 95% savings I can't say I have had those results however I can verify over 50%! Those who run Foxfire with lots of tabs and notice everything slows down and possible crash will see instant results.
I have tens of thousands of bookmarks, so many I can't find anything, OneTab is a simple way to keep those sites close without filling your toolbar and you still have the option to save bookmarks/favorites as normal.
This is a good backup solution with a simple interface.
Did I say it's free? Run it for a week or two, if you like it than send the Author a few $ to buy a case of beer.
Thank you for making a free tool that helps many people, I look forward to using your other tools. What is your homepage? I will list your program on some of my domains.
%/
FIBER0PTIC/FBR, The HUMBLE Guys, Napalm & Worship INC...
^`
I also recommend:
XYexplorer
MyNotesKeeper
CaptureWizard
Process Lasso
OneTab Addon for Firefox
& The original Napalm FTP Indexer

I love this add-on and have always used it on Chrome. Since switching to the Firefox Browser I was glad to see that OneTab is just as useful here. I save a lot of memory on my iMac when I click this extension, but that's only because I am a tab opening queen and sometimes have 15-20 tabs open at one time. The only reason I reduced 1 star is because on both Chrome and Firefox, I have never been able to figure out where past groups are stored. I am only able to access links that from the homepage when you click on the extension. Ex: If that 1 page only stores 10 groups, old ones continue to be lost when the new ones I am saving replace the links on that 1 page. That was harder to explain in my words than I thought it would be!

Thanks a lot!!! A little question: could you implement "Single Window Mode" in your addon? I talk about Firefox 57 to run only in a single window (like single windows mode setting that there was in tabmixplus"). Best Regards and sorry for my english.

Love it, I'm using One Tabs in Chrome and Firefox. It's like read later extensions for me. It's sad to see some moron give very low rating for this such a wonderful extentions.

Pin the OneTab tab in Firefox and quit-and-reopen the Firefox, the tab back to un-pinned status.
Firefox version is 57.

Incredible usefull update of the previous 'OneTab.' Like, the share as webpage option- creating a html overview of the saved tabs (including QR-code for easy sharing). Not to mention working with groups, pinned-tabs and so on... I absolutely <3 it!

I can quickly save and close multiple tabs, freeing up resources, speeding up my computer, and saving tabs I want to use in the future. Awesome.

Lost all tabs randomly. I followed guides posted by the devs to recover, but didn't work. I loved this app, but I can't use it anymore after this has happened twice in 3 months. You are better off making a bookmark folder and organizing you tabs in that as it's much safer.

FirefoxはQuantum以降複数タブでのパフォーマンス上げる用になったので当然メモリ使用率あがったのでOnetabの重要製がマシました。
私は大体30くらいタブ作るんですがそうすると余裕で1gb以上は使うのでこいつで管理すれば元のメモリ大体500ｍｂくらいになります。

One of my four essential Add-ons. Losing OneTab would seriously affect my productivity!