FireFileBlock Requires Restart
Block Some URLs
This add-on switches to Symfony2 dev mode by adding the app_dev.php to the url.
A Firefox Developer Tool to visually analyze various events like Network Calls, DOM Events, Garbage/Cycle Collection, etc.
Formlet Requires Restart
Saving form data to bookmarklets
Coderwall extension for Firefox
Toolbar button that lets you disable and re-enable Flash with just one click.
KaikaOleJJka Requires Restart
AE Encrypt Requires Restart
The best extension to encrypt and decrypt plain text / La mejor extension para encriptar y desencriptar texto plano.
Clear all history, cookies and cache in just one click
Allows switching between TagMan’s live and testing modes.
FireLESS Requires Restart
FireLESS allows Firebug to display the original LESS file name and line number of LESS-generated CSS styles.
It currently requires a patched version of LESS available at https://github.com/simonedeponti/less.js.
Counts words and characters and checks for copies in Google.
Extension to get timestamp data from a date or date from a timestamp data.
Extension para obtener el dato timestamp desde una fecha o una fecha desde un dato timestamp.
This is an addon to record network activity (HTTP Request, Cookie Operation) for statistics.
This calculator works like an adding machine with a tape. Very easy to estimate and budget.The Spreadsheet Calculator will save you time because you don't have re key your entries when totaling long columns.Try it you'll like it. User friendly.
Fireformat Requires Restart
Page source file formatter.
LocaProxy Toolbar Requires Restart
LocaProxy Toolbar is a free proxy manager for Firefox.
CSSsir Requires Restart
CSSsir is easy and handy tool which allows you to generate cross-browser code for main CSS- rules in a few clicks.
This CSS3 generator will be useful not only for web-masters and designers but also for common users.
view So Source Requires Restart
A script in a html page can modify the URL that you can see in the location bar. If you use this extension then the View Page Source command will be independent of a such manipulation and will be opening the original url.