This is so far the best extension for my ultrawide video consumption at 3440x1440p. No other can force crop or aspect ratio in such an easy way. I would recommend the icon of this app (which appears at the tools bar once installed) sharing that same icon when searching it on the add-ons bay of extensions. Cheers from Spain.

Works and makes videos look a lot better on a 34" 21:9 Monitor using the full screen

Funcționează, dar trebuie setat manual ce opțiune vrei. Pentru mine a funcționat „Force crop”, pentru un monitor de 21:9.

works for me 👌

Очень хорошее дополнение.Спасибо

While the options menu would benefit from clarification, "Force crop" mode was exactly what I was looking for — cropping the black bars from the top of some Vimeo videos. Now they fill the whole ultrawide monitor, not just half of it with the black bars everywhere.

This extension is so useful !
I have a 21/9 screen and when videos are uploaded in 16/9 with black bands at top and at the bottom, in fullscreen there are contours, the extension can remove them !

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Hey, that's very good add-on, but can you add the support for twitch?

awesome EXT...only thing is..the keyboard short cut doesnt work....please make it work :)

Funciona, sencillo y efectivo.

This works perfectly with youtube. It is exactly what I was looking for. I know stretching a 16:9 video to 21:9 looks a little bit odd but I prefer it to having black bars on the screen.