Krunkit

Resize for YouTube Thumbnail

Resize your image to 1280×720px — the standard YouTube thumbnail size. Make it click-worthy!

Drop images here or click to browse (up to 10)

JPEG, PNG, WebP, AVIF up to 50MB each

YouTube Thumbnail Guide

Size

1280×720px (16:9) with minimum 640px width. This is YouTube's recommended thumbnail size.

File Limit

Under 2MB. YouTube accepts JPG, PNG, and GIF (static).

Design Tips

Use bold text, faces, bright colors, and high contrast for maximum click-through rate.

Mobile Preview

Thumbnails appear small on mobile. Test that your text is readable at small sizes.

Frequently Asked Questions

What is the best YouTube thumbnail size?

1280×720px (16:9 aspect ratio) with a minimum width of 640px. This is YouTube's official recommendation.

What makes a good YouTube thumbnail?

Bold, readable text, expressive faces, bright contrasting colors, and a clear representation of the video content.

What file format should I use?

JPG for photos, PNG for graphics with text. Keep it under 2MB.

Can I change the thumbnail after uploading?

Yes. You can change your video thumbnail at any time from YouTube Studio.