You can use a program like iMovie to add an image to an audio track so you can convert it into a .MOV video file. After you’ve converted the file, you can then upload it to YouTube.
Here’s how you convert audio tracks into .MOV video files on iMovie:
Part 1: Add an image and audio file
- Drag an image file from your computer into the project area.
- Drag the audio file into the project area
Part 2: Adjust the image to fit the audio track
To make sure the file is properly uploaded on YouTube, you’ll need to adjust the duration of the image to match the duration of the audio track on your timeline.
- Click the gear menu in the green box
- Click Clip Adjustments and copy the numbers under “Source Duration”. This is the length of your audio track.
- Next, hover your mouse over the thumbnail of the image, and click the gear that appears (not the gear in the green box)
- Select Clip Adjustments
- Enter the numbers from the “Source Duration” in Step 2 into the “Duration” field.
- Click Done
Part 3: Save your file
- Click the Share menu
- Select Export using QuickTime…
- Name your file and click Save