Some clients add X-Forwarded-For to HTTP requests in an attempt to help servers identify the originating IP address of a request. Some clients, however, can set X-Forwarded-For to any arbitrary value. Some servers assume X-Forwarded-For is unassail...
utf8 characters No Restart
☞ utf8 characters is an extension that contains a list of cool characters ☆ ✪ ✰ to copy and paste into your messages ❀ on sites that use utf, like twitter or wordpress ☺ ✓
Copy the address of a frame/iframe to clipboard from context menu
Adds a print preview toolbar button. After installing the extension, find the print preview button in the toolbar customization...
Print Preview in Firefox only available in Windows
This Firefox's extension is designed to help brazillian programmers in websites development.
It has several commands to fill in form fields to test the validation of these fields.
Pentadactyl No Restart
Firefox for Vim and Links addicts.
This add-on is not compatible with your version of Firefox because of the following:
- Add-on has opted into strict compatibility checking.
Das Seitwert-Plugin vereint die Funktionalität klassischer SEO-Plugins mit einem schnellen Zugang zu allen wichtigen Seitwert-Funktionen. Zu jeder Seite die Sie aufrufen, bekommen Sie automatisch wichtige Faktoren angezeigt. Neu: Blekko-Hostrank.
Remote XUL Manager No Restart
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.
Display horizontal and vertical floating guides, exactly the way you use it in photoshop. Helps improving layout, placing elements in proper grids, laying out elements symmetrically and structure a design.
Shows previous page on the left side
The greatest user script engine on the Internet (a fork of Greasemonkey).
Copy the page title and URL using Ctrl-C or Command-C.
This Add-on is an excellent way for you to ping any page on-the-fly. If you are on a page and want to Ping it, just click on the Pingler icon in your Firefox browser and the URL of the page will be sent to Pingler and pinged automatically for you.
A plugin for Selenium-IDE to highlight elements used in the Selenese commands
Arboreal is a Firebug extension for DOM tree visualization.
Do you want Firefox to be smarter? So do we. And it is easy for you to help. Submit your anonymized Web history to the Web History Repository. With your data, researchers can gain new insights; programmers can create new tools and plugins for you.
This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...
Reupload an image to cdnpic.com by right clicking on an existing image.
The facility to upload pictures faster than ever!