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X (Twitter) image sizes for profile photos, header images, and in-stream posts. Headers display at 1500x500 on desktop.
Aspect ratio: 1:1
The profile photo is circular. Keep your subject centered in the square frame.
Aspect ratio: 16:9
Images in tweets display at 1600x900. Horizontal images perform better than vertical on X.
Aspect ratio: 4:5
Aspect ratio: 1:1
Aspect ratio: 3:1
Desktop shows full 1500x500. Mobile crops vertically.
X (Twitter) supports multiple image formats. The most common sizes are 400x400 pixels, 1600x900 pixels, 1080x1350 pixels. Use SquarePic to resize your photos to any of these exact dimensions.
Use SquarePic's free image resizer. Upload your photo, select the X (Twitter) preset that matches your needs, and choose Dynamic Blur or Solid Background mode to fill any empty space without cropping your original image.
Yes. SquarePic is completely free with no signup required. All image processing happens locally in your browser using HTML5 Canvas. Your photos are never uploaded to any server.
For X (Twitter), JPEG is best for photos with smooth gradients, PNG is ideal for graphics with text or sharp edges, and WebP offers excellent quality at smaller file sizes. SquarePic supports all three formats for export.
Yes. Upload your photo to SquarePic and use our free editor to make it perfectly square. Choose the X (Twitter) preset size and export a high-quality profile picture in seconds.
JPEG and PNG both work well. Twitter recommends JPEG for photos and PNG for graphics with text. GIFs are supported for animated content.
X generates multiple previews from every upload and loads images lazily. Correct dimensions keep page layouts stable and image quality consistent across previews.
Twitter's card previews use 1200x600 for summary cards. Use 1600x900 for in-feed images. Profile photos display at 400x400 but the visible area is circular - keep your subject centered.
X (Twitter) uses lazy image loading, so incorrect dimensions can cause layout shifts. The platform also generates multiple thumbnails, so starting with the right size ensures quality across all display contexts.