Resize to YouTube Shorts thumbnail 9:16
Convert any image to 2160×3840 pixels — the vertical 9:16 format YouTube uses for Shorts thumbnails.
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JPG, PNG or WebP — processed on your device
Exports at 3840×2160, 1280×720 (under 2 MB), or Shorts 9:16.
Need text and templates? Open the thumbnail studio
Vertical vs horizontal
Shorts thumbnails use a portrait aspect ratio. Horizontal photos are cropped or padded depending on the fit mode you choose.
Frequently asked questions
Is this the same as a regular video thumbnail?
No. Regular videos use 16:9. Shorts use 9:16. Pick the Shorts export preset for vertical covers.