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Official My JDownloader AddOn No Restart

Integrate 'My JDownloader' into your Firefox browser

Rated 3 out of 5 stars (11)
16,854 users

Offline Page validator

Submits the current open page to the W3C validation tool, even if the page is on a non-public server, a local file, requires login, etc...

Rated 2 out of 5 stars (2)
9 users

Offline QR generator No Restart

a basic add-on to generate QR code on html5 canvas

Rated 5 out of 5 stars (28)
2,240 users

Offline Restart Buttons No Restart

Quick offline switch and restart.

Rated 5 out of 5 stars (2)
574 users

Offline Switch No Restart

オフライン作業切替ボタンです。
Work offline switching button.

Rated 5 out of 5 stars (4)
273 users

Öffnungszeiten

Find store hours - fast! Find 3.000.000+ store hours by city and store name.

Not yet rated
112 users

offreflash-plugin No Restart

Ne ratez plus aucun code de réduction avec notre détection automatique. Si un code de promo existe pour le site que vous visitez, nous vous le dirons!

Not yet rated
174 users

OFOTÉRT Netszemüveg No Restart

Az első internetes látásjavító

Rated 4 out of 5 stars (1)
35 users

OG.NR; On The Ground News Reports No Restart

OG.NR is a community of reporters from across Jamaica and the World. We report the news we see so that others are made aware

Not yet rated
6 users

Ogame - Helper No Restart

* Shows the time, which is needed till a building, ship, etc. can be built.
* Shows the maximum buildable pieces of ships and defence.
* Adds direct links to the galaxy menu, so that debris fields can be mined easily.

Icon: Victor Erixon

Rated 2 out of 5 stars (3)
316 users

OGame Fast Messages

This extension solves perfomance problem of browser online game OGame.

Rated 1 out of 5 stars (1)
93 users

OGeneral Extension

Extension for OGeneral, the best Tool for OGame. This Extension need OGeneral to work, download it free at http://www.ogeneral.de

Not yet rated
13 users

OGP checker

Facebook OGP checker

Not yet rated
47 users

OHANA Extension No Restart

OHANAスケジューラのFirefoxアドオン

Not yet rated
175 users

Ohio State New Tab No Restart

Customize your New Tab page and enjoy Ohio State wallpaper images, social media widgets, and links on every New Tab!

Not yet rated
0 users

Ohio University Theme with Personas Interactive No Restart

For serious Bobcat fans only. You'll enjoy:

A stunning theme
Quick links to the best of Ohio University athletics
Up to date news and content

Not yet rated
2 users

OID resolver

Display information about an object identifier (OID) when an IRI or URN notation for that OID is entered in the address bar at the top

Not yet rated
1 user

oikumo No Restart

Solo una prueba

Not yet rated
1 user

Okapiland Search Toolbar

Okapiland Search Toolbar (Okapibar) provides Internet search in Composite Page Mode (CPM) that displays linked pages themselves in addition to hyperlinks. All pages can be displayed by scrolling the pages. Internet Search is good for the quick...

Rated 2 out of 5 stars (1)
4 users

Okazjoner No Restart

Dodatek do obserwacji cen produktów w sklepach internetowych.

Not yet rated
6 users