In this tutorial, I'll show you exactly how to change a thumbnail on your YouTube video using the YouTube Studio desktop site. Whether you're updating an old video or uploading a new custom design, this quick guide has you covered for 2026.
If this guide helped you, please give the video a like—it really helps the channel!
Timestamps:
0:00 - Introduction to Changing Thumbnails
0:23 - Navigating to YouTube Studio
0:38 - Selecting Content and the Target Video
0:55 - How to Change and Upload the New Thumbnail
1:24 - Saving Your Changes
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