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Can You Change a Thumbnail After Uploading? Best Practices

Yes, you can change a YouTube thumbnail after uploading a video. Updating thumbnails can rejuvenate underperforming content and boost engagement. Here’s how to do it effectively.โ€‹


๐Ÿ”„ Why Update Old Thumbnails?

Refreshing thumbnails can:โ€‹

  • Increase Click-Through Rates (CTR): A more compelling thumbnail can attract more viewers.โ€‹
  • Revive Underperforming Videos: Changing the thumbnail may give older videos a new lease on life.โ€‹
  • Reflect Brand Evolution: As your branding evolves, updating thumbnails ensures consistency.โ€‹

For instance, Vevo updated thumbnails on older videos and observed significant increases in views.โ€‹


๐Ÿ› ๏ธ How to Change a YouTube Thumbnail

On Desktop:

  1. Log in to YouTube Studio.โ€‹
  2. Click on “Content” in the left menu.
  3. Find the video you want to update and click the pencil icon (Details).โ€‹
  4. Under “Thumbnail,” click “Upload thumbnail” to select a new image.โ€‹
  5. Click “Save” to apply changes.โ€‹

On Mobile:

  1. Open the YouTube Studio app.โ€‹
  2. Tap on the video you wish to edit.โ€‹
  3. Tap the pencil icon, then tap the existing thumbnail.โ€‹
  4. Choose a new thumbnail from your device.โ€‹
  5. Tap “Save” to confirm.โ€‹

Ensure your thumbnail meets YouTube’s guidelines: 1280×720 pixels, under 2MB, and in JPG, PNG, or GIF format.


๐Ÿ“Š Best Practices for Updating Thumbnails

  • Analyze Performance: Use YouTube Analytics to identify videos with low CTRs.โ€‹
  • A/B Testing: Experiment with different thumbnails to see which performs better.โ€‹
  • Consistency: Maintain a consistent style across thumbnails to strengthen brand identity.โ€‹
  • Avoid Frequent Changes: Give each new thumbnail time to gauge its effectiveness before making further changes.โ€‹

Regularly reviewing and updating thumbnails can lead to improved performance and viewer engagement.โ€‹


Changing a video’s thumbnail after upload is a simple yet effective strategy to enhance visibility and engagement. By following best practices and leveraging analytics, you can optimize your content’s appeal and reach a broader audience.