Skip to content


Switch branches/tags

License Version Chrome Web Store Mozilla Add-on


The cross-browser extension that manipulates video aspect ratio to fit your entire screen.

Netflix | Prime Video | Disney+ | Hulu | ESPN | + Many others... 🚀

Here's the list of all services where this extension passes or fails the tests. Feel free to contribute to the list! 🙏 UltraWideo Tested List

Getting started

Select one of the possible options to install this extension, depending on your browser's engine.

  1. Chrome Extension
  2. Firefox Add-on

Note for Opera browser users: They allow installing extensions directly from the Chrome Web Store, but you must install this extension - Install Chrome Extensions to do that. I strongly suggest installing the extension this way because Opera add-ons' approval is insanely slow, and I delisted the extension from there.

Note for Microsoft Edge browser users: Visit the Chrome Web Store and install this extension from there.


The only extension on the market with two significant functionalities that no other extension in this category possess.

  • Works on all video streaming platforms.
  • Works on all embedded videos.

It doesn't matter if there are multiple direct or embedded video players on a single page. The extension is smart enough to manipulate the video you put into a fullscreen, without affecting other video players.

If you are using multiple browsers on the same or different devices, this extension is cross-browser and will work in all major browsers (except Safari). I tested it in Chrome, Firefox, Edge, Brave, Whale, and Opera; without a single issue. Many other browsers use Webkit engine, hence this extension will work in those browsers too.

Should you use it?

It's for everyone who wants power over the video aspect ratio. This extension is primarily for UltraWide monitors, but that does not mean it's only good for it. You can manipulate the video's size that contains horizontal or vertical black bars and let the video fill your entire screen for a better experience.

How to use it?

The extension is relatively easy to use but very powerful at what it does. It has a couple of options:

  • Pause the extension - It will stop listening for all memory consuming events and restore any DOM manipulations.
  • Toggle between modes - Toggle between different options will affect the video: normal, upscale, and stretch.
  • Configurable shortcuts - Set desired keystroke, with min/max of 3 keys to control pause or mode toggling.

Works everywhere?

It is working on all globally popular video streaming platforms. Making a list of all platforms would be very expensive and time-consuming since many platforms are subscription based.

Where it really shines?

Just for a reference, if you come across any videos like the one below, it will be the best watching experience on ultrawide screens. On my screen 3440x1440, using upscale mode, it doesn't crop a single pixel of video content. It's just made to be.

Kevin James - Short Film


I want to take a minute and show my gratitude to every single donation that I received. I'll be updating the list accordingly.

  • Paul Mertens 🍺
  • Shahrul Azlan 🥩
  • Jelle Kaufmann 🍺
  • Manuel Prussenowsky 🍺
  • Christian Kulhei ☕️
  • Timothy Park ☕️
  • Ariel Bobadilla 🍺
  • Ronald Ison ☕️
  • Justin Tisdale 🥩
  • Tiburcio Garcia 🍺
  • Michael Downing 🥩🍺
  • Carsten Range 🍺
  • ATM Music Studio 🍺
  • Mladen Savic 🍺
  • Benjamin Houix 🍺
  • René Kielder 🍺
  • Josiah Dines 🥩🍺
  • Roland Jacques 🥩
  • Aaron Grach ☕️
  • Jonathan Dyer 🍺
  • Ciprian Petrica 🥩
  • Karl-Michael Heinle ☕️
  • Kevin Marshall 🥩
  • Carlos Soutullo 🥩🍺
  • Gregor Robakiewicz 🍺
  • Samuel Jones 🥩🍺
  • Guy-Steevy GNADOU ZABO 🥩🍺
  • David Conrad 🥩


Test Coverage

Statements Branches Functions Lines
Statements Branches Functions Lines

Featured on Product Hunt

UltraWideo 2.0 - Upscale or stretch any video on web for better experience. | Product Hunt