YouTube extensions

Adjust playback, move the comments, darken bright videos,
and add media layers.

YouTube PluriSpeed

Set a different playback speed for each speaker.

Speaker 11×

Speaker 21.5×

Read the comments over the video, without scrolling away from it.

Video

Comments

Comments over the video

Darken bright videos by changing their pixels.

Content-aware mode

Lecture notes

A bright background.
The same colors.

Switch the illustration between light and dark

Place sounds, images, and video over a YouTube video.

YouTube video

Image

Audio

Images, audio, and video in layers

Each extension works separately.
Start with one and add others when they’re useful.