Web Development

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307.to

Why 307? - 307 is a server side temporary redirect code. Used by servers to redirect your web-browser to a new directory or a new web site.http://307.to/is a redirect service used to make tiny URLs for a lot of uses.

You can protect redirections or ...

Rated 5 out of 5 stars (16)
10 users

All About Location Bar

Make URL modification an accurate, smooth and simple experience

Rated 5 out of 5 stars (15)
261 users

Read Easily

Fast page style switcher. It adds toolbar button, context menu item and hotkey (CTRL+ALT+Z) to disable/enable styles on web pages.

Rated 5 out of 5 stars (20)
1,291 users

Ghostery No Restart Featured

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (1,165)
1,394,679 users

JSON-DataView

Displays JSON data in a collapsible tree structure with syntax highlights.

Rated 5 out of 5 stars (8)
709 users

GitHub Extension Installer No Restart

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (8)
2,407 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 (43)
5,437 users

ColorZilla

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Rated 5 out of 5 stars (300)
245,891 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 (36)
1,432 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)
3,232 users

Easy Copy Featured

Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page.

Rated 5 out of 5 stars (26)
19,577 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 (63)
131,649 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 Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

Rated 5 out of 5 stars (198)
57,981 users

Clear Cache

Clear Cache was developed to make it easier for Web development, clearing your browser cache (RAM and DISK) by pressing a button or via the F9 key.

F9 Fever! ;)

Rated 5 out of 5 stars (22)
17,681 users

XPath Checker

An interactive editor for XPath expressions.

Rated 5 out of 5 stars (18)
26,792 users

Document Map

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

Rated 5 out of 5 stars (16)
53 users

Copy Fixer

Copy the page title and URL using Ctrl-C or Command-C.

Rated 5 out of 5 stars (10)
1,076 users

Extensor No Restart

Toolbar panel with quick access to common actions for all add-ons: activate/deactivate, options, details, home/review/donation pages, uninstall, restart. For Firefox 35 and newer.

Rated 5 out of 5 stars (8)
361 users

Goog All Sites & Similar Sites Search

Now you don't have to rely on a website's search any more, rather use this website-specific Google search. Bonus is Similar site search. Just on a click, it gets you the list of websites similar to the one opened in active tab.

Rated 5 out of 5 stars (6)
954 users

Pic Style - Checkerboard

Add a checkerboard background on Firefox view image pages to help show image transparency.

Rated 5 out of 5 stars (6)
46 users