A browser extension that lets you control the speed of YouTube videos, even if they're embedded, including changing the speed "on the fly", i.e. changing the speed will immediately affect any videos you're watching.

Available for:

• Google Chrome
• Mozilla Firefox
• Microsoft Edge
• Opera

Made by avi12.

• Svelte
• Svelte Materialify

Install Node.js and PNPM.

pnpm i

pnpm dev

pnpm run-chromium

pnpm run-edge-windows

1. Build the extension for Firefox/Opera (see below).
2. Open the extensions page in that browser.
3. Enable the developer mode (top-right corner usually).
4. Either drag-drop the browser-compatible ZIP onto the browser or click "Load unpacked extension" and choose it.

pnpm build-pack

pnpm build-for-firefox

Feel free to contribute! Make sure to comply with the license, GPL v3.