Web Development

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DNS Flusher

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 4 out of 5 stars (46)
16,925 users

NoDoFollow

Just a simple extension to highlight links in a page according to nofollow / dofollow status.

Rated 4 out of 5 stars (198)
13,137 users

Image Zoom

Adds zoom and rotation functionality for images...

Rated 4 out of 5 stars (329)
174,063 users

Session Keeper

Keep a (longer) session with one Web Application that has an inactivity timeout...

Rated 4 out of 5 stars (24)
2,813 users

Pearl Crescent Page Saver Basic screenshot tool

Save an image of a web page (including Flash content) to a file. Web page screenshots may be captured interactively or from the command line. Options allow you to control the output format (PNG or JPEG), image file name, scaling, and much more.

Rated 4 out of 5 stars (77)
83,260 users

Live HTTP Headers

View HTTP headers of a page and while browsing.

Rated 4 out of 5 stars (155)
177,568 users

DOM Inspector

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.

Rated 5 out of 5 stars (61)
137,537 users

Config Descriptions No Restart

Shows source comments for advanced application preferences in about:config

Rated 5 out of 5 stars (19)
2,473 users

SourceEditor

View and Edit source of HTML element...

Rated 3 out of 5 stars (20)
1,646 users

WATS

WATS is a SiteCatalyst HTTP monitor for Firefox. This add-on allows to visualize requests sent from websites to SiteCatalyst servers. It aims to make the testing process of the SiteCatalyst implementations easier.

Rated 4 out of 5 stars (5)
1,648 users

Easy PHP

Easy PHP is a basic set of tools and functions for developers.
- Simple Note Pad -
- PHP Lib Search -
- Custom Function & Class Library Storage -
- Regex Tester & Storage -
- MD5 tool -
- Image Ratio Finder -

Rated 3 out of 5 stars (1)
1,002 users

WCAG Contrast checker

Checks for compliance with the contrast levels, brightness and shine in the color combination of foreground and background of textual content based on the requirements of WCAG 1 and WCAG 2.

Rated 4 out of 5 stars (9)
4,381 users

LinkChecker

Check the validity of links on any webpage.

Rated 4 out of 5 stars (76)
17,949 users

JSONovich No Restart

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (31)
9,275 users

Clip2net

All-in-one screen capture and annotation tool. Capture screenshot or video of a region or the whole page in one-click.

Rated 2 out of 5 stars (1)
1,886 users

Seitwert.de SEO Plugin

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.

Rated 4 out of 5 stars (7)
1,952 users

fontinfo

Provides tools to find out details of the fonts used in a web page.

Rated 4 out of 5 stars (11)
3,587 users

Ember Inspector No Restart

Tool for debugging Ember applications.

Rated 5 out of 5 stars (6)
3,513 users

LinkParser

LinkParser helps you analyze the links on the page you are on at that very moment. It can differentiate between 9 different types of links and can mark them in different colors. Very customizable.sdas

Rated 5 out of 5 stars (4)
1,450 users

Counterpixel

Display the counting/measurement pixel of a website.

Rated 4 out of 5 stars (7)
1,111 users