What is the exact YouTube Thumbnail size?

1280x720 pixels. Minimum width is 640px. Aspect ratio is 16:9. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

What file format is best?

JPG is recommended for photos. PNG is better for graphics with text. Max file size is 2MB. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

Can I resize banners too?

Yes. Select "YouTube Banner" preset (2560x1440px) to ensure safe zones on mobile and TV. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

Will it compress the image?

No. This tool only changes dimensions. Use a separate compressor if you need to reduce file size below 2MB. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

Is this tool free to use?

Yes. There is no charge, no account, and no watermark on the output. Resizing happens entirely in your browser, so the image never leaves your device. You can keep the aspect ratio or set exact dimensions depending on your needs.

YouTube Thumbnail Resizer

Resize for youtube thumbnail resizer with a private, browser-based tool. A 1280×720 thumbnail is the YouTube standard — resizing to it exactly ensures crisp previews that load instantly in search and suggestions.

Why it matters: A 1280×720 thumbnail is the YouTube standard — resizing to it exactly ensures crisp previews that load instantly in search and suggestions. Pre-sizing here means the platform never re-encodes your image and degrades it.

How to resize images

1Upload your image. Everything stays in your browser — nothing is sent to a server.
2Pick a method — By Pixels for exact sizes, By % to scale proportionally, Aspect Ratio to reshape, or a Preset for social/print standards.
3Resize and download. Batch mode bundles every file into a single ZIP.

Best settings for this page: Open the tool, upload your image, pick the matching preset, and download — everything runs locally with no upload.

All resizing runs locally in your browser. Your files are not uploaded to any server.

Frequently Asked Questions

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YouTube Thumbnail Resizer

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