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YouTube Thumbnail Resizer
Resize to a practical preset and verify current platform guidance before publishing. Presets are convenience dimensions and may change.
Files stay on your device
Free · No sign-upDrop your image here
or choose a file from your device
JPG, PNG, WebP, GIF or BMP · Up to 40 MB · One image Images are processed locally in your browser and are not uploaded.
Resize an image for a YouTube thumbnail
Set the target dimensions and use fit or crop to frame your thumbnail. Preview the full image before downloading.
Platform guidance can change. Check the current YouTube upload recommendations before publishing.
How to use youtube thumbnail resizer
- Choose an image from your device.
- Set the output options and preview your changes.
- Download the finished image when it meets your needs.
Image processing runs in your browser. The file is not uploaded to ImageTools PK.