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HTML5 YouTube Everywhere

Get rid of legacy Flash based embedded YouTube videos and replace them with YouTube's HTML5 player. Works even if you have Flash on.

Support for replacing the player on YouTube site is in development.

Rated 4 out of 5 stars (9)
10,346 users

Instagram Video Download

Download videos from Instagram (and as plus, easily save photos).

Rated 4 out of 5 stars (10)
10,239 users

Smart Referer

Send referers only when staying on the same domain.

You can whitelist domains with wildcards and configure other things, look in the preferences page of the addon in the addon manager.

Rated 4 out of 5 stars (31)
9,182 users

VPN Unlimited–Anonymous Proxy

Protect all your valuable private data and unblock any Web restrictions!

Rated 5 out of 5 stars (11)
9,124 users

Yahoo Search Addon

This addon helps you set your default search engine to Yahoo

Rated 5 out of 5 stars (1)
8,928 users

JSONovich

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

Rated 4 out of 5 stars (36)
8,780 users

FireX Proxy

FireX Proxy extension.

Rated 5 out of 5 stars (20)
8,726 users

Local Filesystem Links

Scans for local file system URIs (file:///) on any page. Click on the added icon to open the local link with the system's file manager. Alternatively, select any text that forms a path (e.g. "C:\tmp\cow 1.txt") and use the context menu.

Rated 4 out of 5 stars (29)
8,589 users

InfoNotary Configurator for Mozilla Requires Restart

Configures Mozilla for work with certificates issued by InfoNotary Plc.

Rated 5 out of 5 stars (2)
8,290 users

Mein Grundeinkommen - CrowdBar

Beim Einkaufen Grundeinkommen unterstützen - ohne Mehrkosten!

Rated 3 out of 5 stars (3)
7,890 users

Netflix Super Browse

CURRENTLY IN BETA

This extension adds a "Super Browse" hover link to the main Netflix Navigation. Hovering over this item will reveal Netflix's extended categories.

Please leave feedback if you find any bugs or have any suggestions.

Rated 4 out of 5 stars (4)
7,850 users

Skip adf.ly skip!!

This addon allows you to skip automatically advertising adf.ly.
Basically when the page loads the site adf.ly with various advertisements, the add-on does go directly to the site you want, but waiting a few seconds.
It is compatible with Android.

Rated 5 out of 5 stars (20)
7,805 users

LottaDeals

Spar dich reich ✔ Rabatte, Gutscheine, Coupons und Aktionen für über 5.500 Online-Shops!

Rated 5 out of 5 stars (8)
7,785 users

HDS Link Detector

This add-on automatically detects the HDS videos being played in browser and generates proper command line required for downloading videos with AdobeHDS.php script.

Rated 5 out of 5 stars (17)
7,644 users

Media Sniffer

This add-on automatically detects the video/audio being played in browser

Rated 4 out of 5 stars (9)
7,331 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (19)
7,330 users

Automatic Coupons by Piggy!

Adds Coupon Codes Automatically during Checkout! Piggy finds you coupons, and automatically applies them with one click!

Let Piggy help you save money at over 1,400 stores!

(Including Kohls, Walmart, Macys, Best Buy, Overstock, and many more!)

Rated 5 out of 5 stars (2)
7,311 users

Silent Block

Minimum and fast URL blocker.

Rated 5 out of 5 stars (16)
7,308 users

Shoptimate : compare prices automatically

Shoptimate compares prices automatically for you. We also provide coupons and price alerts.

Rated 4 out of 5 stars (25)
6,977 users

YouTube Video AdBlocker

Forget about video ads with YouTube Video AdBlocker

Rated 5 out of 5 stars (1)
6,921 users