Web Development

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Config Descriptions No Restart

Shows source comments for advanced application preferences in about:config

Rated 5 out of 5 stars (16)
2,591 users

Easy Copy Featured

Copy a page's details such as its title, URL and HTML source with one click so you can paste it anywhere else such as emails, blogs and forums. Copy a single page, all open tabs or all links on a page. Format text as plain text or HTML.

Rated 5 out of 5 stars (16)
35,865 users

Aardvark

Cool utility for cleaning up a page (for printing or better viewing) as well as for web development. Displays a red rectangle on the element under the mouse -- hit "w" to go wider (get the containing element), then hit other keystrokes to remove, etc

Rated 5 out of 5 stars (148)
2,772 users

Print Preview Button

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

Rated 5 out of 5 stars (7)
3,566 users

SQLite Manager

Manage any SQLite database on your computer.

Rated 5 out of 5 stars (57)
215,620 users

pwgen - Password Generator

For Sysadmins / Network Engineers / and why not everybody who needs a quick password generator.. simple, yet efficient.

Rated 5 out of 5 stars (40)
5,928 users

Copy as HTML Link

Creates an HTML link to the current page using the selected text and copies it (into the clipboard) for pasting into other applications.

Rated 5 out of 5 stars (15)
1,078 users

Html Validator

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 23+, you need 0.958 (under review)
http://users.skynet.be/mgueury/mozilla

Rated 5 out of 5 stars (183)
86,327 users

HeadingsMap

The extension generates a documentmap or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.

Rated 5 out of 5 stars (15)
3,171 users

Behind The *Asterisks* (EladKarako Mod)

Mouse-Over Shows Whats *Behind* The *Asterisks*
Video Review: http://www.youtube.com/watch?v=hifCmVpBflU

Rated 5 out of 5 stars (6)
275 users

5336游戏开服表

网页游戏开服表提供最新,最权威开服数据.尽享玩游戏一站式便利.上5336游戏开服表,天下页游尽在掌握

Rated 5 out of 5 stars (13)
677 users

CSSsir

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.

Rated 5 out of 5 stars (15)
3,515 users

Word Count Tool No Restart

Counting the number of words, characters without any extra clicks. Just select the text and the statistics appears in the top right of the toolbar. It gives detail report about the numbers of sentences, paragraphs, average lengths, keyword density...

Rated 5 out of 5 stars (17)
2,757 users

Go-Mobile [Speed Boost] No Restart

Tell websites your browser is a phone. Very handy for dial-up connections, or just to speed up browsing. Simple, small, and fast. Go Mobile.

Rated 5 out of 5 stars (17)
5,724 users

Transparent standalone images No Restart

This add-on renders standalone images on a transparent background, so you can see the image in all its glory!

Rated 5 out of 5 stars (29)
1,562 users

Re-Pagination No Restart

See more search results etc. on one page, concatenating several pages together...

Rated 5 out of 5 stars (35)
4,315 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 (55)
153,953 users

Nimbus Screen Capture - editable screenshots No Restart

Screen capture Web Page, selected region or whole browser window, edit screenshots and save the images to Local File or Google Drive. Edit screenshots in a very user-friendly interface with the different tools.

Rated 5 out of 5 stars (47)
41,973 users

Dafizilla Table2Clipboard

Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...

Rated 5 out of 5 stars (62)
23,344 users

Document Map

Displays the current page's heading structure in the sidebar, allowing rapid navigation between...

Rated 5 out of 5 stars (16)
73 users