Local Youtube Downloader Tampermonkey [new] Direct

For users who value speed and minimalism, a local Tampermonkey script is unbeatable. It feels native because it is native to the webpage.

| Feature | Tampermonkey Script | Desktop Software (e.g., 4KVD, YTD) | | :--- | :--- | :--- | | | Zero (just code) | 100MB–500MB+ | | Adware Risk | Low (auditable code) | High (free versions often bundle adware) | | Speed | Direct browser download | Often throttled or requires premium for speed | | Updates | Automatic (via GreasyFork) | Manual re-installation | | Portability | Syncs with browser profile | Tied to one PC | local youtube downloader tampermonkey

TamperMonkey is a popular userscript manager for Google Chrome, Microsoft Edge, and other browsers. It allows you to run custom scripts on specific websites, enabling you to extend the functionality of your favorite online services. In the context of YouTube downloading, TamperMonkey can be used to inject a local downloader script into the YouTube website, making it easy to download videos with just a few clicks. For users who value speed and minimalism, a

function addDownloadButtons() // Avoid duplicate buttons if (document.querySelector('.yt-download-btn')) return; It allows you to run custom scripts on

Before diving into installation, you need to understand why this niche method has exploded in popularity.

let videoTitle = titleElem.innerText.trim(); // Sanitize filename videoTitle = videoTitle.replace(/[\\/*?:"<>