Image Dimensions & Specs
Twitter Card Image Size Guide: Dimensions & Aspect Ratio Specs
Twitter cards require specific image aspect ratios depending on whether you choose a summary square thumbnail or summary_large_image banner card.
Key Technical Takeaways
- ✓summary_large_image: Recommended 1200 x 628 px (1.91:1 aspect ratio), min 300x157 px.
- ✓summary: Recommended 800 x 800 px (1:1 square ratio), min 144x144 px.
- ✓File Limits: Max 5 MB, supported formats PNG, JPEG, WebP, GIF.
- ✓Compatibility: A standard 1200x630 px Open Graph image works seamlessly on X.com.
Implementation Example
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image" content="https://example.com/banner-1200x628.png" />
<meta name="twitter:image:alt" content="Descriptive image alt text" />