All X Image Sizes (2025)
| Image Type | Dimensions | Aspect Ratio | File Size |
|---|---|---|---|
| Profile Picture | 400 × 400px | 1:1 | 2MB max |
| Header Image | 1500 × 500px | 3:1 | 5MB max |
| Post Image | 1200 × 675px | 16:9 | 5MB max |
| In-Stream Photo (Large) | 1600 × 900px | 16:9 | 5MB max |
X Image Specifications
Profile Picture
- Recommended: 400 × 400 pixels
- Minimum: 200 × 200 pixels
- Format: JPEG, PNG, or GIF
- Note: Displayed as circle, keep content centered
Header Image
- Size: 1500 × 500 pixels
- Ratio: 3:1 (wide banner)
- Max file size: 5MB
- Best practices: Profile picture covers lower-left area
Post Images
- Standard: 1200 × 675 pixels (16:9)
- High-res: 1600 × 900 pixels for detailed images
- Minimum: 600 × 335 pixels
- Supports: JPEG, PNG, GIF, WebP
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FAQ
What happened to Twitter?
Twitter was rebranded to X in July 2023. The image dimensions remain the same, but the platform is now called X.
What is the X header image size?
1500 × 500 pixels (3:1 ratio). This wide banner appears at the top of your profile. Keep important content away from the lower-left where the profile picture overlaps.
Best image size for X posts?
1200 × 675 pixels (16:9 ratio) is optimal. X supports up to 1600 × 900px for high-resolution images. Use 16:9 ratio for best display in feeds.