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Show Parent Folder

Show Parent Folder in list view of Library.

Rated 5 out of 5 stars (109)
7,750 users

Show Password On Input

Gives an option to show the master password on input

Rated 4 out of 5 stars (11)
1,134 users

ShowIP

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (284)
72,081 users

Shrunked Image Resizer

Make your photos smaller, so they don't take forever to email or send to websites.

Rated 4 out of 5 stars (32)
7,707 users

Silent Block

Minimum and fast URL blocker by regular expression.

Rated 5 out of 5 stars (18)
10,267 users

Similar Sites - Find The Best Related Websites

Instant access to the best websites related to the site you are browsing!

Rated 5 out of 5 stars (20)
32,901 users

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (7)
12,039 users

Single Key Tab Switch

Single Key Tab Switch provides configurable single hotkeys for switching tabs, like the 'Single-key shortcuts' feature of the Opera browser.

Rated 4 out of 5 stars (26)
1,242 users

Singlish to Sinhalese

Singlish to Sinhalese Conversion provide by Subasa Language Service

Not yet rated
36 users

SixOrNot No Restart

IP address information for Firefox. SixOrNot is an icon-based display of IPv6 availability and utilisation also providing a listing of domain names and IP addresses involved in loading web pages.

Rated 5 out of 5 stars (12)
3,448 users

Size in KB

Use KB for size in the thread pane

Rated 5 out of 5 stars (1)
367 users

Slashy

Fixes Windows backslash file separators in links and images and other types.

Rated 4 out of 5 stars (5)
676 users

Slim Add-ons Manager No Restart

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (44)
11,349 users

SM Home Button

Navigation bar Home Button (resurrected by sailfish)

Not yet rated
35 users

SmartTemplate4

SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.

Rated 5 out of 5 stars (49)
18,352 users

SmartWhois Launcher

This extension allows you to launch SmartWhois and perform a Whois query on the current URL. SmartWhois is a useful network information utility that allows you to look up all the available information about an IP address, hostname or domain...

Rated 3 out of 5 stars (6)
441 users

smftn

download directly from QQ file transportation over 7/200 times limit

Rated 5 out of 5 stars (6)
50 users

Smiley Fixer

Fixes Wingding Smileys in Outlook-generated emails

Rated 5 out of 5 stars (15)
5,041 users

SmoothWheel

Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).

Rated 5 out of 5 stars (248)
44,523 users

Snap Links Plus

Select a number of links with a rectangle and open them all in new tabs in the same or a new window(s), download them or copy them to the clipboard. You can also lasso checkboxes to quickly check or uncheck them.

Rated 4 out of 5 stars (95)
21,564 users