Twitter / X Image Resizer
Resize photos for Twitter/X posts, headers, and profiles.
Upload an image to get started.
Resize Images for Twitter / X
Resize photos to the dimensions Twitter/X uses for in-feed posts, profile headers, and avatars, so your images display crisply and aren't cropped unexpectedly. Runs locally in your browser.
Twitter / X sizes
- Post image â 1600Ã900 (16:9)
- Header / banner â 1500Ã500 (3:1)
- Profile picture â 400Ã400 (square)
- All export at full quality
Header safe area
The profile header is very wide and short, and your avatar and profile text overlap its lower-left corner. Keep key visuals toward the center-right so they aren't hidden.
Why size matters on X
X crops images in the timeline based on aspect ratio, so posting at 16:9 keeps single images fully visible without tap-to-expand. Correct header dimensions avoid the stretching and blur that come from uploading the wrong size.
Private & Processed Locally
Resizing happens entirely in your browser; your image is never uploaded.
Frequently Asked Questions
Common questions about the Twitter / X Image Resizer.