YouTube Image Sizes 2026
All the image sizes you need for YouTube, updated for 2026.
Last updated: April 2026
Size Reference
| Usage | Dimensions | Aspect Ratio | Category |
|---|---|---|---|
| Thumbnail | 3840 x 2160 | 16:9 | Thumbnail |
| Channel Banner | 2560 x 1440 | 16:9 | Cover |
| Profile | 800 x 800 | 1:1 | Profile |
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Resize for YouTubeDetailed Guide for Each Size
Thumbnail
- Recommended size:
- 3840 x 2160 px
- Aspect Ratio:
- 16:9
- Max file size:
- 2MB mobile / 50MB desktop
- Supported formats:
- JPEG, PNG, WebP
Tips: Thumbnails are key for grabbing attention. Use large fonts for any text overlays and avoid placing important elements near the edges.
Channel Banner
- Recommended size:
- 2560 x 1440 px
- Aspect Ratio:
- 16:9
- Max file size:
- 2MB mobile / 50MB desktop
- Supported formats:
- JPEG, PNG, WebP
Tips: Cover images display differently across devices. Keep important elements toward the center to ensure they are visible on all screen sizes.
Profile
- Recommended size:
- 800 x 800 px
- Aspect Ratio:
- 1:1
- Max file size:
- 2MB mobile / 50MB desktop
- Supported formats:
- JPEG, PNG, WebP
Tips: Profile images are often cropped to a circle. Center your subject and upload a square image for best results.
Frequently Asked Questions
What are the recommended image sizes for YouTube?
YouTube image sizes vary by usage. See the size reference table above for recommended dimensions for posts, stories, profiles, and more.
Why do my YouTube images lose quality after uploading?
YouTube automatically compresses images on upload. Use high-resolution images at or above the recommended size and set JPEG quality to high to minimize quality loss.
Can I resize images for YouTube for free?
Yes, ShareMint lets you resize to all YouTube sizes for free. Everything runs in your browser — your images are never sent to a server.
What image format should I use for YouTube?
JPEG is the most common and widely compatible format. Use PNG if you need transparency. WebP offers smaller file sizes with good quality but may not be supported everywhere.