Remove black bars and fit any video to your screen. Works on Netflix, YouTube, Prime, Disney+, HBO and all video sites.
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Remove black bars from any video. Fit any video to your entire screen on any video platform — automatically.
UltraWideo is the cross-browser extension that manipulates video aspect ratio to fill your screen. Whether you own an ultrawide monitor (21:9, 32:9), a standard 16:9 display watching 4:3 videos, or anything in between — UltraWideo eliminates black bars and gives you a true full-screen experience.
Why UltraWideo over other extensions?
Unlike alternatives that break on certain platforms or stop detecting videos, UltraWideo is proven to work on all major video streaming platforms, including embedded videos across the web. No "video not detected" errors. No broken layouts on non-video pages. It only activates when there's a video to work with.
▸ Works everywhere — any streaming service, any site with embedded video, any platform. Not limited to a single site.
▸ Blazingly fast — written in plain JavaScript with a tiny footprint. No memory leaks, no background processes draining your battery, no performance degradation over time.
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Store average score: 4.2. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Removes videos black bars on Netflix, Amazon Prime, Disney Plus, HBO Max, Youtube by changing to ultrawide video aspect ratio.
Removes black bars from videos on ultrawide screens (21:9, 32:9, etc) everywhere, including YouTube, Netflix, Prime Video, etc.
Remove black bars from streaming videos. Control aspect ratio, use PiP mode, and enhance video playback on popular platforms.
![UltraWide Streaming: custom ratios [QVI]](https://img.extscope.org/?url=https%3A%2F%2Flh3.googleusercontent.com%2F_W7JdAJVjYMFGhn9cKyoTy9MAOrLMD8xmhmfoUNt_dXP5BGE1tlxA8kaL4obertx3wAC5poZ5uTREjmJ_KLSRJfZ9A)
Go fullscreen on your ultrawide monitor. Fit the video to 21:9, 32:9, or custom ratio. Supports most streaming platforms.
Adds various features to Netflix like support for ultrawide displays (21:9 aspect ratio).
Zoom video, change aspect ratio of any video, removing black bars on Netflix, Amazon Prime, YouTube, HBO. Ultrawide video.
Never lets you down, works perfectly every time, the best out there without a doubt...
excelente extensão, melhor que usei ate o momento.
It works very well even where other extensions of this type fail. Also appreciate timely updates.
Works amazingly!
Works well
Currently works on Disney+ and all other streaming (for me). Easy to use if you read even 2 instructions.
Самое лучшее расширение, если у вас 32:9 монитор ( ну или хотя бы 21:9 ) - всё теперь выглядит цивилизованно и красиво
Broken on "canalplus.com/pl" picture stick to right side of screen and and you can't center it. All modes act the same, on other sites work as intended.
June 08 2026 update: The new "trigger" is super annoying. Covers UI elements and is totally unnecessary. I have Auto-hide turned on and it still tends to remain on screen. Pro option is great but WAY over-priced, I'd happily pay money to support the developer once that banner is gone but ~30USD/year? Really? Initial Review: So far, works great. I've tested it on Disney+, Paramount+, and Amazon Prime where a lot of content is created in 21:9 but letterboxed to fit 16:9 screens meaning that on my 32:9 monitor I have both black pillars and letterboxing. The key to get it working on my monitor was to set it to NORMAL then I manually changed to Y-Axis Scale to fit my vertical screen space, then set the X-Axis to match the Y-Axis. In my case 1.25 works great. Oddly, after doing this Amazon started streaming my content in 21:9 full screen(-ish, I still had pillars of course) even with the extension turned off. No idea what that's about. The only caveat is that you have to turn the extension off if the content you're watching is already properly scaled to avoid clipping but that's easy enough to do. Nenad Novakovic, keep up the good work, and please don't ever convert this to a scam like some other extensions have done lately.
Doesn't work on Disney+