Web Development

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

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 (43)
19,225 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 (139)
42,178 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 (252)
138,815 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 (42)
14,900 users

Stylish Sync No Restart

Sync engine for Stylish with backup / restore facility.

Rated 5 out of 5 stars (19)
6,004 users

View Source Chart

Inspect the DOM at lightning speed.

Rated 5 out of 5 stars (103)
17,567 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 (86)
15,474 users

Mason

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 (64)
8,414 users

Rainbow Color Tools Featured

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 (90)
40,734 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 (44)
6,039 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 (244)
278,985 users

Console²

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 (47)
12,187 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 (60)
27,654 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)
1,688 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)
90 users

Screengrab (fix version) Featured

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

Rated 5 out of 5 stars (238)
149,970 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 (164)
52,372 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 (1,459)
2,252,661 users

Export Cookies

Exports all cookies in IE manner.
Makes a Netscape standard cookies.txt file.
Very useful for WGET --load-cookies option.

Rated 5 out of 5 stars (29)
8,894 users

Web Developer

The Web Developer extension adds various web developer tools to the browser.

Rated 5 out of 5 stars (203)
640,157 users