Firefox add-on with keyword - fullhd

Also available in different colors.

Auto Fullscreen for Firefox Quantum

FireShot makes full page screen captures - http://bit.ly/RlBQMV Screenshots are quickly captured and: ― Saved as Image / PDF with links and text ― Sent to clipboard ― Printed Capture all open tabs or provide a list of the URLs for grabbing

Open all Firefox windows in full screen mode

An extremely simple extension which maximises the Firefox window on program startup and switches to fullscreen mode.

Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.

Full screen websites without address/tabs bar. Use Ctrl+Shift+F to enter Fullscreen

Take screenshot of entire webpage with single click.

小さい花 がいっぱい咲く。

Click extension icon to open current Instagram or VSCO image in the highest resolution possible.

Firefox Language Pack for Pulaar (ff) – Fulah

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a "fork" of Dark space by Nicothin which adds full transparency to the toolbar. Animated stars in dark theme. Seamless video background with particles moving around. Enjoy.

Makes the Browser Fullscreen when opened.

Use ⌘+⇧+I for toggling fullscreen on any website.

Watch videos on YouTube fullscreen within your browsers screen.

Full black theme. I built this for myself because I love black but feel free to install this theme for yourself.

Hides the YouTube™ fullscreen controls when moving the mouse to any border.

Make the YouTube player fit all of your screen when opening fullscreen mode. NOTE: After installing, click on the extension and grant the authorization to access YouTube

Toggle the visibility of Google Maps and Bing Maps user interface elements for a fullscreen viewing experience.

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Full Screen content without Title Bar / URL Bar / Tabs

This extension adds the ability to toggle a full windowed mode in YouTube website

make video fullscreen in window

Read your RSS feed at the speed of light! FullyFeedly shows the full content articles in Feedly.com, the famous RSS feed reader, even when the feed only contains a summary.