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NetCopy

Firebug extension to copy net requests to the clipboard to the desired format

Not yet rated
213 users

Networx Requires Restart

Networx Addon for Aostars.de

Not yet rated
5 users

News Feed for GitHub

GitHub news feed notifications directly in the browser

Project reference: https://github.com/julmot/news-feed-for-github

Rated 4 out of 5 stars (1)
12 users

NewScrollbars (aka NoiaScrollbars) Requires Restart

The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

Rated 5 out of 5 stars (90)
18,261 users

ng-inspect

Inspect the angular scope in the developper tools inspector

Rated 3 out of 5 stars (5)
583 users

Niche Watch Tool Requires Restart

This wonderful SEO extension provides you the technical information required to beat your competitor websites in serps.It gives you backlinks number, indexed pages, keyword occurences on the page, page rank, all in anchor, all in title and all in...

Rated 3 out of 5 stars (9)
25 users

Nightly Tester Tools Lite Requires Restart

This is a cut down version of Nightly Tester Tools by Mossop, which is 77.6 KB. I've only included the "copy build id" and "build id in titlebar"...

Rated 2 out of 5 stars (8)
40 users

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!

Rated 4 out of 5 stars (322)
109,240 users

No More .org

No More .org prevents Firefox from loading websites with .org in the URL. This add-on was made for testing in Firefox

Rated 3 out of 5 stars (3)
1 user

No More ASCII text inserter

Enables the easy addition of non ASCII data to web forms.

Not yet rated
3 users

No More Install Delay

UPDATE: XPI delay has been removed in Firefox 40!

Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!

Unlike similar addons, this works on Firefox 4 and beyond.

Rated 4 out of 5 stars (12)
524 users

No-Referer Requires Restart

Allows you to open a link without sending the HTTP referer header.

Rated 4 out of 5 stars (25)
120 users

No-Script Suite Lite (revived)

Blocks scripts (and more) on untrusted websites

Rated 4 out of 5 stars (3)
1,163 users

Node.js Requires Restart

Node.js for Firefox

Rated 5 out of 5 stars (2)
349 users

NoDoFollow Requires Restart

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

Rated 4 out of 5 stars (202)
8,001 users

NoFollow

Outlines nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles

Rated 4 out of 5 stars (1)
233 users

NoRedirect Requires Restart

NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.

Rated 4 out of 5 stars (53)
14,365 users

NoScript Security Suite Requires Restart Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,550)
1,904,684 users

NoTea Requires Restart

Leave notes for websites in a sidebar.

Rated 5 out of 5 stars (7)
148 users

notice noindex Requires Restart

そのページのnoindexを通知します
notify the noindex of the page

Rated 4 out of 5 stars (1)
35 users