How do I convert an mp4 file to YouTube-compatible format?

Actually, you can upload mp4 file to Youtube directly, if you can t do it. Maybe you need convert this mp4 file to youtube compatible mp4 format. Highly recommend you iCoolsoft Total Video Converter. You can convert any video file to your need video format for playback on your devices or upload to youtube,facebook and so on. Hope I can help you.
Have a good day....Show more

Is this because you have a mp4 which is only music and no video... if so try this option below: (if not thumbs down me and curse me out)

Convert image files into a slideshow
Here’s how you can easily convert photos into a slideshow: 1.Visit the upload page on YouTube
2.Click Create under Photo slideshow.
Create a slideshow video
3.Upload photos from your computer, or select photos from an existing Google+ photo album, and click Select
4.Drag and drop the photos to rearrange them. When you’re done, click Next
5.Select an audio track from the library under “Audio”, or select No audio to have your slideshow play without music. (You won't be able to upload audio files from your computer).
6.Click Upload when you’ve finished making your slideshow

You can also use a programs like Windows Live Movie Maker or iMovie to add audio to your images before uploading the file to YouTube....Show more

Hey, I think you can directly upload your mp4 files to youtube.com....Show more

You HAVE to buy a program to convert it. Also, your question is not grammatically correct and you need to fix it....Show more

Anonymous is right, you have to buy a program unless you want malware....Show more