Search Results for tag "html"

Firebug Featured

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Rated 5 out of 5 stars (1,840)
2,455,828 users
Updated October 10, 2016

DevTools Prototyper

This add-on adds JS Fiddle style code prototyping to Firefox DevTools.

Rated 5 out of 5 stars (5)
356 users
Updated September 21, 2016

Print Edit WE

Print Edit WE provides facilities to edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.

Rated 4 out of 5 stars (1)
222 users
Updated September 15, 2016

Dummy Form Filler

One click to populate HTML forms with dummy data. Works out of the box.

Rated 5 out of 5 stars (9)
1,877 users
Updated September 7, 2016

Save Page WE

Save a web page as a single HTML Complete file (including all images and styling) that can be opened in any browser.

Rated 1 out of 5 stars (1)
205 users
Updated September 6, 2016


Allows developers to put a semi-transparent image overlay over the top of the developed HTML and perform per pixel comparison between them. Works with both Dev Tools and Firebug

Firefox version of PerfectPixel for Chrome with 100 000+ active users

Rated 5 out of 5 stars (2)
2,132 users
Updated September 5, 2016

HTML Content Blocker (JS, CSS, IMG, etc)

Blocks desired HTML contents (script, style, image, object, media)

Rated 5 out of 5 stars (4)
1,553 users
Updated August 18, 2016

Web Developer Requires Restart Featured

The Web Developer extension adds various web developer tools to the browser.

Rated 5 out of 5 stars (249)
538,877 users
Updated August 18, 2016


A source viewer that enables you to view not only page's HTML source but also style sheets and scripts. It uses Prism syntax highlighter and it can beautify(unminify) the source code.

Rated 4 out of 5 stars (9)
380 users
Updated August 4, 2016


ContextMenuPlus adds extra items to context menu(right-click menu):
Copy Page Title, Copy Page URL, Copy as HTML Link, Copy as Link, Open Page Hostname, Copy as Plain Text, Copy Link Text, Copy Feed URL, Paste & Submit, ...

Rated 4 out of 5 stars (22)
847 users
Updated August 4, 2016

Html Validator Requires Restart

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

Rated 4 out of 5 stars (216)
61,853 users
Updated June 28, 2016


Submit http requests with varying headers, bodies etc

Rated 5 out of 5 stars (4)
3,964 users
Updated June 9, 2016

Bamboo Feed Reader Requires Restart

Feed reader | RSS - ATOM - OPML

Rated 4 out of 5 stars (270)
19,484 users
Updated March 20, 2016

Custom Style Script (Inject desired CSS or JS)

Add Custom JavaScript Codes or Styles to any Page.

Rated 5 out of 5 stars (4)
1,944 users
Updated March 14, 2016

Auswahl kopieren als HTML oder Ohne Formatierung Requires Restart

2 Varianten stehen Dir zur Auswahl. Du kannst einen markierten Text im HTML Format in die Zwischenablage kopieren. Oder Du kopierst die Auswahl als Text ohne Formatierung.

Not yet rated
22 users
Updated February 29, 2016

Validator Requires Restart

Firebug extension to validate HTML.

Rated 3 out of 5 stars (11)
2,744 users
Updated January 4, 2016

CoLT Requires Restart

CoLT (short for "Copy Link Text") makes it easy to copy either a link's text, or both the link text and its URL in a format you specify. This non-invasive extension simply appears as context menu items when you right-click a link. Fully customizable!

Rated 5 out of 5 stars (97)
6,100 users
Updated October 30, 2015

LiveReload Requires Restart

LiveReload refreshes a web page when files change. Requires the official LiveReload for Mac app or another compatible third-party server/plugin.

Rated 4 out of 5 stars (20)
8,632 users
Updated October 29, 2015

AdMatrix Analytics(アドマトリックス アナリティクス)

「AdMatrix Analytcis」(アドマトリクス アナリティクス)は、個々のページのSEO内部対策状況を一目でチェックできる解析ツールとなります。

Not yet rated
477 users
Updated October 21, 2015

Text2Link Requires Restart

Text2Link is a simple and easy-to-use way to copy the text of a link, or to open URLs and send emails to addresses not marked-up as HTML links.

Rated 4 out of 5 stars (40)
3,098 users
Updated September 6, 2015