Plays silent parts of videos on the page at a faster speed, or skips them entirely. Can be useful for watching lectures and other unedited videos. Can also just control video speed, without skipping silence. Has hotkeys (keyboard shortcuts). This is free software licensed under GNU Affero General Public License v3.0 or any later version (AGPL-3.0-or-later). Source code: https://github.com/WofWca/jumpcutter Inspired by this video by carykh: https://youtu.be/DQ8orIurGxw