UsefulTools

by DarkDippy

18 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,103 reviews

5,566,029 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

LastPass Password Manager by LastPass

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Awesome Screenshot Plus - Capture, Annotate & More by Diigo Inc.

Rated 4 out of 5 stars 1,035 reviews

213,779 users

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Pocket by Read It Later, Inc

Rated 4 out of 5 stars 1,063 reviews

270,811 users

When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.

Session Manager by Michael Kraft

Rated 4 out of 5 stars 536 reviews

287,718 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Rated 4 out of 5 stars 242 reviews

202,960 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

UnMHT by arai_a

Rated 5 out of 5 stars 200 reviews

93,721 users

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Lazarus: Form Recovery by Seth Wagoner

Rated 4 out of 5 stars 342 reviews

54,756 users

Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief.

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 213 reviews

142,267 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

Add-on Compatibility Reporter by Mozilla

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Vacuum Places Improved by Luca Niccoli

Rated 4 out of 5 stars 95 reviews

40,365 users

Defragments your Firefox "Places" database (history/bookmarks)
This greatly reduces the lag while typing in the address bar and the start-up time.
This extension features configurable automatic cleaning, periodic reminder, and internationalization.

Textarea Cache by Hemiola SUN

Rated 5 out of 5 stars 142 reviews

14,048 users

Save automatically the content in Textarea.

QuickDrag by Stevie Smith

Download Now

Experimental

Rated 4 out of 5 stars 315 reviews

44,035 users

Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.

Universal Print by Y Harrow

Rated 4 out of 5 stars 28 reviews

8,513 users

Printing was never easier! Print Preview, Print, Print All Tabs, Print Select Tabs. Use Context (Right Click) Menu, File Menu, or Toolbar Buttons, and more!

Drag & DropZones by Captain Caveman, Andy Portmen

Rated 5 out of 5 stars 125 reviews

13,656 users

Get rid of that clumsy context menu, and search the web using up to 100 stylish Drag & DropZones
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