Web Development


TableTools2 - Copy/Sort/Chart/Filter Table&More!

Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.

Rated 5 out of 5 stars (45)
17,336 users

Classic Toolbar Buttons No Restart Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (144)
40,146 users

Open With Photoshop No Restart

Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.

Rated 5 out of 5 stars (47)
23,094 users

The Addon Bar (Restored) No Restart Featured

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

Rated 5 out of 5 stars (276)
126,817 users

View Source Chart

Inspect the DOM at lightning speed.

Rated 5 out of 5 stars (107)
14,724 users

NewScrollbars (aka NoiaScrollbars)

The "NewScrollbars"-extension replaces the default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

Firefox 32 zoom bug with custom scrollbars got fixed in Firefox 33 beta 6, Aurora and Nightly!

Rated 5 out of 5 stars (97)
15,219 users

Stylish Sync No Restart

Sync engine for Stylish with backup / restore facility.

Rated 5 out of 5 stars (20)
5,925 users

cliget No Restart

Download files using curl or wget. This addon generates curl/wget commands that emulate the request as though it's coming from your browser allowing you to download protected files directly to a separate machine (e.g. server).

Rated 5 out of 5 stars (49)
6,666 users

Random Agent Spoofer No Restart

Rotates complete browser profiles ( from real browsers / devices ) at a user defined time interval. It includes many extra privacy enhancing options

Rated 5 out of 5 stars (85)
31,995 users


This extension can simplify the rule to just specify the URI and Content type and can enable/disable each rule separately.
What's more, it can customize the web pages by user scripts which is similar to Grease Monkey.

Rated 5 out of 5 stars (65)
6,959 users

Rainbow Color Tools

Color tools for web development.

Color picker and eyedropper + saving colors and trying out colors with drag and drop.

Rated 5 out of 5 stars (94)
33,772 users

Domain Auction Metrics by DomCop No Restart

Domain Auction Metrics by DomCop provides domain metrics for GoDaddy Auctions, NameJet, SnapNames, DynaDot and Sedo. View Page Rank, Majestic Trust Flow, Moz Rank and Domain Authority, SimilarWeb Rank, SEMrush Metrics, Alexa Rank, Estibot metrics.

Rated 5 out of 5 stars (21)
1,165 users

QuickJava Featured

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Rated 5 out of 5 stars (191)
273,732 users

Inspect Context

Open Dom Inspector at this node from Inspect on context menu. Dom Inspector must already be installed. Handy for checking both page for web developers and chrome for extension...

Rated 5 out of 5 stars (14)
1,458 users

Humancharacterguess No Restart

This addon predicts your character based on date of birth
This add on would be added to addon bar above the taskbar with name HCGdora and click on it to open

Rated 5 out of 5 stars (17)
105 users

Screengrab (fix version) Featured

Screengrab! saves webpages as images.
0.98 released!
New features: upload to internet

Rated 5 out of 5 stars (259)
144,587 users

NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,503)
2,260,895 users


Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

Rated 5 out of 5 stars (49)
10,059 users

Lightshot (screenshot tool) No Restart

Easy and convenient screenshot tool. Allows you to make screenshots of any selected area (video and flash too), edit and upload it to server.

Rated 5 out of 5 stars (175)
50,332 users

Pentadactyl No Restart

Firefox for Vim and Links addicts.

Rated 5 out of 5 stars (137)
2,629 users