Web Development

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FillForms Requires Restart

FillForm is a small extension to help you fill page forms.
Fill out current web all forms with a keyboard shortcut(Alt + Q).

Rated 5 out of 5 stars (33)
3,296 users

Proxy Switcher Featured

Access to the complete Firefox's proxy settings right from a toolbar panel

Rated 5 out of 5 stars (20)
38,560 users

JS Print Setup Requires Restart

Client side Javascript printer settings.
This extension implements print setup from CS Javascript, similar of MeadCo's ScriptX ActiveX control for Internet Explorer.

Rated 5 out of 5 stars (25)
57,442 users

DNS Flusher Requires Restart

A Mozilla Firefox add-on that provides a easy way to reload the browser DNS cache.
It's commonly used by developers that uses the Hosts File to force a domain name resolution to a specific IP.

Rated 5 out of 5 stars (50)
19,921 users

Firebug Featured

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Rated 5 out of 5 stars (1,835)
2,082,205 users

LinkSidebar Requires Restart

View, search and test hyperlinks in a web page.

Perform group actions on multiple links like opening in tabs, copying link locations or testing to determine response times. Allows you to search/sort links and highlight their position on the webpage.

Rated 5 out of 5 stars (15)
1,538 users

HideScrollbars

"Hide Scrollbars" add-on removes scrollbars for those who prefer mouse wheel and keyboard navigation.

Rated 5 out of 5 stars (19)
3,145 users

FlashDisable

Toolbar button that lets you disable and re-enable Flash with just one click.

Rated 5 out of 5 stars (51)
22,979 users

Hide My IP VPN

Hide My IP VPN is number one tool for hiding your IP and unblocking any web site!

Rated 5 out of 5 stars (14)
11,287 users

Nimbus Screen Capture - editable screenshots Featured

1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
Edit screenshots and save the images to either local file or Google Drive. Annotate screenshots in a very user-friendly interface with different tools. Upload and share!

Rated 5 out of 5 stars (289)
132,585 users

Remote XUL Manager

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (36)
81,242 users

CoLT Requires Restart

CoLT (short for "Copy Link Text") makes it easy to copy either a link's text, or both the link text and its URL in a format you specify. This non-invasive extension simply appears as context menu items when you right-click a link. Fully customizable!

Rated 5 out of 5 stars (97)
5,818 users

Free OmniGraffle (.graffle) Viewer

Open your OmniGraffle files for free

Rated 5 out of 5 stars (9)
292 users

Random Agent Spoofer

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 (131)
208,508 users

GitHub Extension Installer

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (9)
2,999 users

StyleSheet Chooser Plus Requires Restart

StyleSheet Chooser Plus (aka SSCP) persists choice of website stylesheets.

Rated 5 out of 5 stars (17)
70 users

Fusebox 5 Reload Requires Restart

This extension (for Firefox 1.5 - 3.0) adds a menu item to the context menu (right-click) and the Tools menu to rebuild the Fusebox 5 memory structure and reparse the XML files. It includes the new (in Fusebox 5) options to loadclean and parseall. Yo...

Rated 5 out of 5 stars (17)
94 users

Element Properties Requires Restart

Returns the 'Properties' menu item that was removed in Firefox 3.6 to the context menu.

Rated 5 out of 5 stars (118)
4,159 users

View formatted source (format source extension) Requires Restart

Displays formatted and color-coded source and optional CSS information for each element. ...

Rated 5 out of 5 stars (22)
162 users

Cookies Manager+ Requires Restart

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

Rated 5 out of 5 stars (67)
102,896 users