Local Youtube Downloader Tampermonkey ✰ 【FAST】

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 .

// Wait for page to load setTimeout(addDownloadButtons, 3000); local youtube downloader tampermonkey

try const response = await fetch(apiUrl, method: 'POST', headers: 'Content-Type': 'application/json' , body: JSON.stringify(data) ); const playerData = await response.json(); try const response = await fetch(apiUrl

// Button click handler videoBtn.onclick = () => fetchStreams(videoId, 'video', videoTitle); audioBtn.onclick = () => fetchStreams(videoId, 'audio', videoTitle); headers: 'Content-Type': 'application/json'

const container = document.createElement('div'); container.style.marginLeft = '10px'; container.style.display = 'inline-flex'; container.style.gap = '8px';