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YouTube Thumbnail Maker

YouTube recommends thumbnails at 1280×720 pixels (16:9 aspect ratio) with a minimum width of 640 pixels. This tool resizes your image to the exact recommended dimensions for maximum click-through.

🔒 100% client-side — your images never leave your device

Drag & drop or click to browse

JPEG, PNG, WebP, GIF, BMP, TIFF · Max 50MB

How to Use

  1. 1 Upload your thumbnail image
  2. 2 Size is pre-set to 1280×720 (YouTube standard)
  3. 3 Click "Process Image"
  4. 4 Download and upload to YouTube Studio

Pro Tips

  • • YouTube requires minimum 640px width — we use 1280 for best quality
  • • Keep file under 2MB for YouTube upload
  • • Use bold text and high-contrast colors for visibility
  • • Faces and emotions in thumbnails get more clicks

Frequently Asked Questions

What is the best YouTube thumbnail size?
1280×720 pixels (16:9 ratio). Minimum width 640px. Maximum file size 2MB. Supported formats: JPEG, PNG, GIF, BMP.
Can I use a different aspect ratio?
YouTube strongly recommends 16:9. Other ratios will have black bars or get cropped on different devices.
How do I make thumbnails that get clicks?
Use high-contrast colors, large readable text, expressive faces, and keep it simple. The thumbnail should convey the video topic at a glance.
Is there a file size limit?
YouTube allows up to 2MB for custom thumbnails. At 1280×720 in JPEG format, most images will be well under this limit.

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