X (Twitter) Post Image Specifications 2025
Complete guide to X (Twitter) image dimensions and specifications for posts in 2025. Create engaging tweets with the perfect image size and format for maximum impact.
Quick Specs
Dimensions & Resolution
Best for maximum visibility in timeline
Works well for single images
Alternative landscape format
Important Notes
X (formerly Twitter) supports various image formats and aspect ratios for posts. Images are displayed in-stream at a maximum width of 504 pixels on desktop and full-width on mobile. The 16:9 aspect ratio (1200×675px) provides the best visibility without cropping in the timeline.
Optimization Tips
- ✓Use 16:9 aspect ratio (1200×675px) for optimal display
- ✓Keep important content centered to avoid cropping
- ✓PNG format for graphics with text, JPEG for photos
- ✓Multi-image posts: 2 images (7:8), 3 images (first 7:8, others 4:7), 4 images (2:1 each)
- ✓Alt text improves accessibility and engagement
- ✓Compress images to under 5MB for faster loading
- ✓GIFs auto-play in timeline without sound
Profile & Page Dimensions
multi Image Layouts
display Widths
Maximum display width in pixels
alt Text
Alt text for accessibility
Schedule X posts with auto-optimization
Frequently Asked Questions
What's the best image size for X (Twitter) posts?
1200×675 pixels (16:9 aspect ratio) is optimal as it displays without cropping in the timeline. This size works well across both desktop and mobile views.
How many images can I post in a single tweet?
You can post up to 4 images in a single tweet. They will be arranged in different layouts: 2 images side-by-side, 3 images with one large and two small, or 4 images in a 2×2 grid.
What happens to images over 5MB?
Images over 5MB will be compressed by X. On web, you can upload up to 15MB, but mobile apps have a 5MB limit. It's best to optimize images yourself before uploading.
Do profile images have different requirements?
Yes, profile images should be 400×400 pixels and will be displayed in a circular frame. Header/banner images should be 1500×500 pixels (3:1 aspect ratio).
Recent Updates
X maintains support for various image formats with 16:9 recommended for optimal display