使用をしていましたが、「削除したアドオン」です!

by 四天王寺

9 Add-ons in this Collection

UnMHT by arai_a

Rated 4 out of 5 stars 300 reviews

37 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.

Simple Locale Switcher by nohamelin

Rated 5 out of 5 stars 14 reviews

70 users

An easier management of the user interface language

Bluhell Firewall by Diego Casorran

Rated 4 out of 5 stars 498 reviews

101 users

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Private Tab by Infocatcher

Rated 5 out of 5 stars 312 reviews

80 users

Adds private tabs.

Font Finder by Ben Dodson, Eric Caron, others

Rated 4 out of 5 stars 80 reviews

6 users

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Add-ons Manager Context Menu by Zulkarnain K.

Rated 5 out of 5 stars 49 reviews

27 users

Add more items to Add-ons Manager context menu.

Right Links by Infocatcher

Rated 5 out of 5 stars 148 reviews

9 users

This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.

Tab Counter by Michael Kraft

Rated 4 out of 5 stars 115 reviews

3 users

A simple extension that counts the number of open tabs per window and displays the count in the toolbar...

Slideshow by Leszek Życzkowski, pastisman

Rated 5 out of 5 stars 71 reviews

123 users

Displays a slideshow of picture attachments. When email has attached pictures, it displays "View as Slideshow" button next to the attachment. Button click pops a slideshow window with all the images, allowing you to zoom in/out, save...

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