为YouTube Thumbnail调整图片尺寸
Resize to the dimensions YouTube Thumbnail expects, so the platform does not crop your image for you. 直接在浏览器中运行——无需上传、无需注册、完全私密。
或点击浏览文件
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YouTube Thumbnail expects the platform's recommended dimensions. Uploading something else means the platform decides how to crop or squeeze your image, and it rarely chooses the part you cared about. Resize here first and you control the result.
How it works
- Add your photo — nothing is uploaded anywhere.
- The dimensions are preset for YouTube Thumbnail.
- Check the preview to confirm the important part of the image survives.
- Download and upload that file instead of the original.
Good to know
Why this matters: matching the target size avoids unwanted cropping.
Frequently asked questions
What image size does YouTube Thumbnail use?
The platform's recommended dimensions. Those numbers change occasionally, so if a platform update moves them, resize again to the new target.
Why does YouTube Thumbnail crop my photo?
Because the ratio you uploaded does not match what the layout expects, so it trims to fit. Resizing to the correct dimensions first removes the guesswork — matching the target size avoids unwanted cropping.