X (Twitter) Aspect Ratios & Image Sizes
Master image and video dimensions on X (formerly Twitter). Get exact pixel specifications for header banners, feed photos, multi-image grids, video tweets, and high-CTR large summary link previews.
Recommended X (Twitter) Resolutions & Ratios
The table below provides exact pixel dimensions, aspect ratios, and format requirements for all current X (Twitter) visual placements.
| Placement / Format | Aspect Ratio | Recommended Size | Allowed Range | Production Notes |
|---|---|---|---|---|
| Header Banner | 3:1 | 1500 × 500 | Max file: 5 MB (JPG or PNG) | Responsive crop. The circular profile avatar covers the bottom-left corner across mobile and desktop. |
| Single In-Feed Image (Landscape) | 16:9 | 1200 × 675 | Min 600 × 335; Max 5 MB | Standard widescreen display. Prevents vertical cropping in timeline feeds. |
| Single In-Feed Image (Square) | 1:1 | 1200 × 1200 | Min 600 × 600 | Versatile square format for product shots, quotes, and diagrams. |
| Single In-Feed Image (Portrait) | 4:5 | 1080 × 1350 | Displays fully uncropped in timeline | Provides maximum vertical timeline footprint on mobile apps. |
| Multi-Image Grid (2 Images) | 7:8 (Each) | 700 × 800 (Each) | Displayed side-by-side | Both images render side-by-side cropped to vertical rectangles. |
| Multi-Image Grid (4 Images) | 16:9 (Each) | 1200 × 675 (Each) | Displayed as 2 × 2 grid | Images are cropped to 16:9 quadrants within a single unified card. |
| Summary Card with Large Image | 1.91:1 | 1200 × 628 | Min 300 × 157; Max 5 MB | Generated via twitter:image and og:image metadata tags when sharing URLs. |
| Profile Picture (Avatar) | 1:1 | 400 × 400 | Min 200 × 200; Max 2 MB | Displayed as circle. Accounts with verified organization status display as a rounded square. |
Practical Production Tips for X (Twitter)
Mind the Header Banner Avatar Overlay
On mobile and desktop browsers, the bottom-left of the 1500×500 banner is obscured by the account avatar. In addition, browser address bars and device notches crop approximately 60px from the top and bottom. Keep text within a safe 1500×360 center band.
Avoid Unpredictable Multi-Image Cropping
Posting 2, 3, or 4 images triggers automatic grid tiling. For 2 images, X crops them to 7:8 vertical rectangles. For 4 images, it crops each to 16:9. Keep subjects centered in each photo so edge crops do not cut off faces.
Set twitter:card to "summary_large_image"
To ensure your shared links display a large rich preview image rather than a tiny square thumbnail, always set the HTML meta tag <meta name="twitter:card" content="summary_large_image"> and specify a 1200×628 image.
Use High-Bitrate MP4 for Video Tweets
X supports video in 16:9 (1920×1080) and 1:1 (1080×1080). For best clarity on mobile, export at 30fps or 60fps using H.264 video with AAC audio and an average bitrate between 8,000–12,000 kbps.
Need to Resize or Calculate Missing Dimensions?
Use our free Euclidean calculator to resize your graphics or compute missing heights while preserving exact platform aspect ratios.
Frequently Asked Questions
What is the X (Twitter) header banner size in 2026?
The recommended header banner size on X (Twitter) is 1500×500 pixels with a 3:1 aspect ratio. Keep essential text, logos, and branding centered vertically and horizontally to prevent clipping by the profile avatar in the lower left.
What is the best aspect ratio for images on X?
The most versatile aspect ratios for single image posts on X are 16:9 (1200×675 pixels) for horizontal photos and landscape charts, 1:1 (1200×1200 pixels) for square diagrams, and 4:5 (1080×1350 pixels) for tall mobile captures.
Why does X crop images in the timeline?
X displays single images uncropped if they fall within standard aspect ratios (between 16:9 and 4:5). However, extremely tall panoramic screenshots or multi-image tweets (2 to 4 pictures) are automatically cropped to fit multi-tile grids.
What size is the Twitter / X large summary card image?
A Twitter Large Summary Card image requires an aspect ratio of 1.91:1 with recommended dimensions of 1200×628 pixels (minimum 300×157 pixels). The file size must remain under 5 MB.