YouTube 4K Video Downloader
Download YouTube videos in true 4K Ultra HD quality — free and instant.
Download 4k VideosNo sign-up · No software · Works on all devices
YT1Z is one of the few free online tools that supports genuine 4K (2160p) YouTube video downloads. If the original video was uploaded in 4K, you get the full Ultra HD resolution — not an upscaled imitation. The result is a crisp, detail-rich MP4 file that looks stunning on 4K monitors, TVs, and displays.
Our 4K downloader supports videos up to 1 hour long. Whether it's a 4K nature documentary, a cinematic travel vlog, a professional music video, or a high-resolution gaming recording, YT1Z fetches the original 4K stream and packages it as a standard MP4 file that plays on any modern device or media player.
No software, no browser extension, no account. Just paste the YouTube URL on YT1Z.top, select the 4K quality chip, and download directly to your device. Fast, free, and genuinely full resolution.
Why Use YT1Z for This?
True 4K UHD — 2160p
Not upscaled, not compressed down. YT1Z fetches the actual 4K stream from YouTube and delivers it intact.
Up to 1 Hour of 4K Video
Download full 4K YouTube videos up to 60 minutes long — perfect for documentaries, concerts, and long-form content.
Standard MP4 Output
Your 4K download is packaged as a universally compatible MP4 file that plays on VLC, QuickTime, Windows Media Player, and smart TVs.
Zero Cost, Zero Sign-Up
Downloading in 4K is completely free. No premium tier required — every quality level is available to everyone, always.
How to Use It — 4 Simple Steps
Find a 4K YouTube video
Look for videos tagged "4K" or "2160p" on YouTube. Copy the video URL from your browser.
Paste on YT1Z and select 4K
Go to YT1Z, paste the URL, and click the "MP4 4K" quality chip before downloading.
Start the download
Hit the Download button. YT1Z locates the 4K stream and prepares your file.
Save to your device
The 4K MP4 file downloads directly. Large files may take a moment depending on your connection speed.
Ready to Download?
No account, no limits, no waiting. Paste a link and your file is ready in seconds.
Download UHD Videos Now