YouTube thumbnail checker

This website allows checking Youtube thumbnail aspect ratio before uploading.

Check YouTube thumbnail before uploading

Follow the steps below:

  1. Upload the image from your device.
  2. This service automatically checks YouTube thumbnail aspect ratio.
  3. All done!

Standard YouTube thumbnails dimensions: 1280 pixels wide by 720 pixels tall with a 16:9 aspect ratio.

Use extra tools to optimize your YouTube thumbnails: