Take control of YouTube with the YouTube Enhancer Extension. Adjust volume, automate quality and playback speed, clean up the interface, and add features YouTube doesn’t have by default. Open-source and fully customizable. (GitHub) Join the community: Discord | Support development: Ko‑fi ☕ Not affiliated with YouTube or Google. Key Features Playback & Volume

Set a default playback speed and control it with on-screen buttons.
Choose a default video quality (1080p, 4K, etc.) that YouTube will always use.
Adjust speed or volume with your mouse wheel.
Boost volume beyond YouTube’s limits.
Loop videos easily.
Set a global volume so all videos start at the level you prefer.

Convenience & Automation

Remember separate volume levels for Shorts and regular videos.
Skip “Video paused? Continue watching?” prompts.
Auto-pause videos in background tabs.

Interface & Layout

Auto-enable theater mode or maximize the player.
Quick access to transcripts.
Remove redirect links and unnecessary URL parameters.

Screenshots & Media

Capture stills directly from the video in multiple formats.

Themes & Appearance

deep-dark themes (Dracula, Solarized, etc.).
Fully customizable colors and CSS.

Extra Quality-of-Life Tweaks

Resume videos where you left off.
Hide elements you don’t want, like live chat, Shorts, or end screen cards and much more.

Everything is open-source under the MIT license, so you can tweak it, contribute, or just enjoy a better YouTube experience.

VampireChicken

Published Firefox add-on:

YouTube Enhancer 💻