Add video thumbnails in the YouTube Studio app

The info below is about the YouTube Studio mobile app. Learn more about adding a thumbnail to your video on your computer or in the YouTube app.

Video thumbnails let viewers see a quick snapshot of your video. You can choose from the options YouTube automatically generates, or you can upload your own if your account is verified.

How to add a thumbnail to your video using the YouTube Studio app

Add custom or automatic thumbnails

  1. Open the YouTube Studio app .
  2. From the bottom menu, tap Content .
  3. Select the video you want to edit.
  4. Tap Edit and then Edit thumbnail .
  5. Select your thumbnail:
    • Select one of three auto-generated thumbnails.
    • Tap Custom thumbnail to upload a custom video thumbnail from an image on your device.
  6. Confirm your thumbnail selection and tap SELECT.
  7. Tap SAVE.
Note: It may take time for your thumbnail changes to appear on YouTube.

 Custom thumbnail best practices

Image size resolution

Your custom thumbnail image should be as large as possible since it will also be used as the preview image in the embedded player.

  • 1280x720 resolution (with minimum width of 640 pixels)
  • JPG, GIF, BMP, or PNG image formats
  • Under the 2MB limit
  • 16:9 aspect ratio

Thumbnail policies

All custom thumbnail images must follow our Community Guidelines. Your thumbnails may be rejected and a strike on your account when it contains:

  • Nudity or sexually provocative content
  • Hate Speech
  • Violence
  • Harmful or dangerous content
Repeat offenses may lead to the removal of your custom thumbnail privileges for 30 days or even account termination. Learn more about Community Guidelines strikes.
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