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Quick Locale Switcher Reinício necessário

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Avaliado em 3 de 5 estrelas (88)
201 914 utilizadores

SQLite Manager Reinício necessário

Manage any SQLite database on your computer.

Avaliado em 4 de 5 estrelas (67)
191 060 utilizadores

IE Tab Reinício necessário

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

Avaliado em 4 de 5 estrelas (1 206)
179 812 utilizadores

RESTClient, a debugger for RESTful web services. Reinício necessário

Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.

Please follow the link ("View other versions") below To install version 2.0.1.

Avaliado em 4 de 5 estrelas (104)
152 546 utilizadores

McAfee Security Scan Plus detection

This extension allows Adobe installers to detect McAfee Security Scan Plus software is installed on your PC.

Avaliado em 1 de 5 estrelas (13)
149 613 utilizadores

Nimbus Screen Capture - editable screenshots

1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
4) Slack direct upload (NEW!)
Edit screenshots and save images as local file or Google Drive. Annotate screenshots with different tools. Upload and share!

Avaliado em 5 de 5 estrelas (338)
134 050 utilizadores

Image Zoom Reinício necessário

Adds zoom and rotation functionality for images...

Avaliado em 4 de 5 estrelas (347)
133 308 utilizadores

Live HTTP Headers Reinício necessário

View HTTP headers of a page and while browsing.

Avaliado em 4 de 5 estrelas (172)
133 289 utilizadores

Modify Headers Reinício necessário

Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.

Avaliado em 4 de 5 estrelas (78)
129 783 utilizadores

MeasureIt Reinício necessário

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Avaliado em 4 de 5 estrelas (360)
129 036 utilizadores

Screengrab (fix version) Reinício necessário

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

Avaliado em 5 de 5 estrelas (321)
127 051 utilizadores

Text Link Reinício necessário

Allows URI texts written in webpages to be loaded by double clicks.

Avaliado em 4 de 5 estrelas (301)
119 135 utilizadores

Selenium IDE Reinício necessário

Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.

Avaliado em 3 de 5 estrelas (21)
118 255 utilizadores

Empty Cache Button Reinício necessário

Cache clearing made easy. One click.

Avaliado em 4 de 5 estrelas (95)
116 595 utilizadores

JSONView

View JSON documents in the browser.

Avaliado em 5 de 5 estrelas (175)
112 822 utilizadores

DOM Inspector Reinício necessário

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Avaliado em 5 de 5 estrelas (72)
110 934 utilizadores

JavaScript Debugger Reinício necessário

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Avaliado em 4 de 5 estrelas (49)
105 625 utilizadores

Cookies Manager+ Reinício necessário

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.

Avaliado em 5 de 5 estrelas (69)
103 652 utilizadores

The Addon Bar (Restored)

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

Avaliado em 5 de 5 estrelas (341)
100 570 utilizadores

HttpRequester Reinício necessário

A tool for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions.

Avaliado em 4 de 5 estrelas (64)
95 631 utilizadores