YouTube Thumbnail

1280×720 px — standard YouTube thumbnail dimensions.

📤

Click or drag image here

JPG, PNG, WebP supported · Max recommended 25MB

Related tools

About this tool

Resize your image to the perfect YouTube thumbnail size online for free with ResizerPhoto. A great thumbnail is the most important factor in getting clicks on YouTube. Make sure yours is the correct size and looks sharp on all devices.

Key features

Auto-resize to YouTube thumbnail dimensions
Correct 16:9 ratio for YouTube
High resolution output
Works on mobile and desktop
No server upload — fully private
Free with no limits

Common uses

Create YouTube video thumbnails
Resize photos for YouTube thumbnail use
Prepare thumbnail images for YouTube Shorts
Update old video thumbnails to correct size
Create thumbnail templates for YouTube channel

Frequently asked questions

What is the correct YouTube thumbnail size?

YouTube recommends 1280x720 px (16:9 ratio) for video thumbnails. Our tool outputs exactly this size.

What makes a good YouTube thumbnail?

Clear text, bright colors, expressive faces and high contrast elements tend to perform well. Make sure the thumbnail is readable at small sizes.

What format should YouTube thumbnails be?

JPG, PNG or GIF are accepted. JPG is most common for photos. PNG is better for thumbnails with text and graphics.

Is there a file size limit for YouTube thumbnails?

YouTube allows thumbnails up to 2MB in size.

How do I upload a custom thumbnail on YouTube?

Go to YouTube Studio, select your video, click Details, then click Upload Thumbnail to add your custom image.