YouTube thumbnail sizes and best practices for 2026
The exact dimensions, format requirements and design tips for YouTube thumbnails that get clicks.
Your YouTube thumbnail is the single biggest factor in whether someone clicks your video. YouTube themselves say that 90% of the best-performing videos have custom thumbnails.
The dimensions
| Element | Size | Aspect ratio | | ----------------- | ---------- | ------------ | | Custom thumbnail | 1280 × 720 | 16:9 | | Minimum width | 640px | — | | Maximum file size | 2 MB | — |
Always use 1280 × 720. It's the standard that looks sharp on every device, from phone screens to TV apps.
Format requirements
YouTube accepts:
- JPG (recommended)
- PNG
- GIF (but it won't animate)
- BMP
JPEG at quality 85–90 is the best choice. It keeps the file well under 2 MB while preserving visual quality. PNG is fine for graphics-heavy thumbnails but often exceeds the size limit for photographic content.
Where your thumbnail appears
YouTube uses your thumbnail in multiple contexts, each with different display sizes:
- Search results: ~360 × 202px (smallest)
- Suggested videos sidebar: ~168 × 94px (tiny)
- Channel page: ~360 × 202px
- Home feed: ~360 × 202px
- TV app: full 1280 × 720px
Your thumbnail needs to be readable at the sidebar size (168 × 94px). If text is too small to read at that size, simplify it.
Design best practices
1. Use faces
Thumbnails with human faces (especially with expressive emotions) consistently get higher click-through rates. Make the face large enough to see at the smallest display size.
2. Limit text to 3–5 words
Keep text large, bold, and high-contrast. Think billboard design, not blog post title. The video title already appears below the thumbnail — don't repeat it.
3. High contrast
Use contrasting colours between text and background. White text on a bright image is invisible. Add a dark overlay or use a coloured text block.
4. Consistent branding
Use a consistent colour palette, font, and layout across your thumbnails. This builds recognition — viewers learn to spot your videos in the feed.
5. Avoid the bottom-right corner
YouTube overlays the video duration badge in the bottom-right corner. Don't put important content there.
The safe zone
Keep all important content within the centre 90% of the image. YouTube may slightly crop edges on different devices and layouts.
For text, the sweet spot is:
- Left third: Face or main subject
- Right two-thirds: Text overlay
- Or the reverse, depending on your layout
Creating thumbnails
- Start with a 1280 × 720 canvas (or resize an existing photo to those dimensions)
- Add your face or main visual on one side
- Add 3–5 words of text on the other side
- Use a bold, sans-serif font at high contrast
- Export as JPEG at quality 85–90
- Compress if the file exceeds 2 MB
You can use our social media resizer to quickly crop any image to YouTube thumbnail dimensions.