Fast Video Downloader

Youtube Video Download 4k

Your Download Jobs

Your merged files will appear here.

Unlock True Ultra HD: The Premier YouTube 4K Video Downloader

In an era where screens are getting larger and sharper, standard definition simply doesn't cut it anymore. Users searching for a YouTube Video Download 4K tool often face a frustrating reality: most online converters cap quality at 1080p or download high-resolution files without audio. This happens because YouTube streams video and audio separately for high-quality formats (DASH technology), requiring complex processing to merge them.

Vidofy.ai solves this technical challenge seamlessly. Our advanced cloud-based engine captures the raw 2160p video stream and the highest bitrate audio track, merging them instantly into a compatible MP4 or MKV file. Whether you are a video editor needing crisp B-roll, a gamer archiving 60fps gameplay, or simply want to enjoy content on your UHD TV offline, our tool ensures you get every pixel exactly as the creator intended—without installing suspicious software or enduring intrusive ads.

Automatic Audio Muxing

Many 4K downloaders result in silent videos. Our system automatically merges the high-definition video stream with the highest quality audio track (AAC or Opus) so your file is ready to watch immediately.

Universal Device Compatibility

While the source is 4K, we ensure the output container (usually MP4 or MKV) is compatible with modern players, including VLC, QuickTime, Smart TVs, and flagship smartphones.

Cloud-Powered Speed

Processing 4K files requires significant computing power. We handle the heavy lifting on our servers, allowing you to download large files quickly without freezing your browser or draining your battery.

How It Works

Follow these 3 simple steps to get started with our platform.

1

Step 1: Copy 4K Video Link

Navigate to the YouTube video you wish to save. Ensure the video actually has a 2160p option in the player settings, then copy the URL from the address bar.

2

Step 2: Select 2160p Quality

Paste the link into the Vidofy input box. When the options load, specifically select the '2160p (4K)' quality option from the dropdown menu.

3

Step 3: Process & Download

Click the download button. Our system will merge the streams and generate your Ultra HD file. Once complete, save it directly to your device.

Frequently Asked Questions

Why do other tools download 4K videos without sound?

YouTube uses DASH (Dynamic Adaptive Streaming over HTTP) for high resolutions, which streams video and audio separately. Many basic tools download only the video track. Vidofy automatically merges (muxes) both tracks so you get a complete file with sound.

Is downloading YouTube videos in 4K free?

Yes, Vidofy allows you to download YouTube videos in 4K resolution completely for free. We do not require a subscription or credit card details.

What file format will the 4K video be in?

We typically provide 4K videos in MP4 or MKV format. MP4 is widely supported, but MKV may be used for certain high-efficiency codecs (VP9/AV1) to ensure the best quality-to-size ratio.

Does this tool support 60fps downloads?

Absolutely. If the original video was uploaded in 60fps (frames per second), our downloader will preserve that high frame rate, ensuring smooth playback for gaming and sports content.

Can I download 4K videos on my iPhone or Android?

Yes, Vidofy works in any modern mobile browser. However, please note that 4K files are very large; ensure you have enough storage space on your device before downloading.

Is it legal to download 4K videos from YouTube?

Downloading videos is generally permitted for personal, non-commercial use, or if the content is under a Creative Commons license. You should respect copyright laws and not distribute downloaded copyrighted material without permission.