Copy the YouTube link
Open the YouTube video you want to save and copy its URL from your browser or the Share menu.
Online MP4 video tool
Free YouTube to MP4 Converter
Convert YouTube videos to MP4 online in a few simple steps. Paste a YouTube link to download the full video with sound, plus a separate MP3 audio file for when you only need the sound.
Paste a YouTube Link
Convert to MP4
Choose 360p to 1080p
Download MP3 Audio Too
Free YouTube to MP4 Converter
Paste a YouTube link, prepare MP4 video files, and get a separate MP3 audio file.
Please only process content you own or have permission to use.
How it works
How to Download a YouTube Video as MP4
Paste the link into Tunii
Paste the YouTube URL into the converter above and start the MP4 conversion.
Download your files
When processing is complete, download the MP4 video with sound. You can also download the separate MP3 audio file.
Dual output
Get the Video and the Audio
Sometimes you need the full video. Sometimes you only need the sound. Tunii gives you both after processing: MP4 video with its audio included, plus a separate MP3 audio-only file.
Download the MP4 when you want to keep the complete video, or use the MP3 file when you only need the sound for listening, editing, or another audio workflow.
What Is a YouTube to MP4 Converter?
A YouTube to MP4 converter turns a YouTube video link into an MP4 video file that you can save to your device. MP4 keeps the picture and sound together in one file, making it widely supported for playback, editing, and reuse.
With Tunii, you can paste a YouTube URL, process the video online, and download the completed MP4 file directly from your browser.
Why MP4
Why Download YouTube Videos as MP4?
Video and Audio Together
MP4 keeps the picture and sound together in one video file, so the downloaded file plays as a complete video.
Quality Choices
Download 360p, 480p, 720p, or 1080p MP4 files when those qualities are available from the source.
Easy to Save and Reuse
Keep a video as a standard MP4 file for playback, editing, presentations, or other permitted uses.
Audio Included Separately
Tunii also creates a separate MP3 audio file, so you do not need to process the video again when you only need the sound.
Format choices
MP4 Video or Audio Only?
Complete video with soundMP4 Video
Audio onlyMP3 Audio
Smaller audio fileYouTube to MP3
WAV for editingYouTube to WAV
Audio from a local video fileExtract Sound from Video
Local video
Already Have a Video File? Extract the Audio Instead
If you already have a video file on your device and only need its sound, you do not need a YouTube link. Use Tunii's Extract Sound from Video tool to work directly with your video file.
Extract Sound from VideoTunii toolkit
Keep Working With Your Media in Tunii
Downloading the video may only be the first step. Tunii also gives you browser-based tools to work with audio, separate vocals, split stems, or convert the same YouTube source into audio-only formats.
YouTube to MP3Need a smaller audio-only file? Convert the YouTube video to MP3.YouTube to WAVNeed WAV for editing or production? Convert YouTube audio to WAV.Extract Sound from VideoAlready have a video file? Extract its audio directly.Vocal IsolatorSeparate vocals from the rest of the audio.Stem SplitterSplit music into separate stems for further editing.
FAQ
Frequently Asked Questions
01
Can I download a YouTube video as MP4?
Yes. Paste a supported YouTube video link into Tunii, start the conversion, and download the finished MP4 video when processing is complete.
03
Does the MP4 video include sound?
Yes. The MP4 output includes both the video and its audio, so the downloaded file plays as a complete video.
05
Can I choose 720p or 1080p?
Tunii prepares 360p, 480p, 720p, and 1080p MP4 options when those qualities are available from the source video.
02
How do I download a YouTube video?
Copy the video URL, paste it into Tunii, convert the video to MP4, and download the resulting file to your device.
04
Can I download just the audio?
Yes. Tunii also provides a separate MP3 audio file after processing, so you can download the sound without using the full video file.
06
Do I need to install a YouTube MP4 downloader?
No desktop downloader is required. Paste the YouTube link into Tunii and complete the conversion through your browser.
Ready when you have permission to process the source
Paste a supported YouTube URL, convert it to MP4, and download the video quality that fits your workflow.
Tunii