Local Youtube: Downloader Tampermonkey

downloadStream(selectedStream.url, filename);

let filename = `$videoTitle_$type === 'video' ? 'video' : 'audio'.$type === 'video' ? 'mp4' : 'mp3'`; // For audio, if we got an m4a, rename to .mp3 (just for user expectation) if (type === 'audio' && selectedStream.mimeType.includes('audio/mp4')) filename = filename.replace('.mp3', '.m4a'); local youtube downloader tampermonkey

function addDownloadButtons() // Avoid duplicate buttons if (document.querySelector('.yt-download-btn')) return; downloadStream(selectedStream

yt-dlp -f "bestvideo+bestaudio" --merge-output-format mp4 "https://youtu.be/..." But for quick, local, no-install needs, the Tampermonkey script above works as a . // For audio

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