Size guides / X (Twitter)
X (Twitter) image sizes: post image and header
Images in posts on X show best at 16:9, 1600 × 900 pixels. The profile header is a 3:1 strip, 1500 × 500. Pick a size below and Six-IR crops your photo to fit.
X (Twitter) sizes in pixels
| What | Size | Shape | Resize |
|---|---|---|---|
| Post image | 1600 × 900 px | 16:9 | Resize to this size |
| Header | 1500 × 500 px | 3:1 | Resize to this size |
Checked against X (Twitter)'s own guidance, October 2026.
How to resize a photo for X (Twitter)
- Press Resize to this size next to the size you need. The resizer opens with it picked.
- Drop in your photo (iPhone HEIC works). Smart crop places the frame around faces; drag it if you'd rather choose.
- Press Make the file and download it. It's free, and the photo never leaves your device.
Need it for several platforms at once? Batch makes every size you tick for up to 10 photos in one zip, free.
Questions
What size is an X (Twitter) post image?
1600 × 900 pixels (16:9) shows without being cropped in the timeline.
What size is the X (Twitter) header?
1500 × 500 pixels (3:1). Your profile photo covers part of the lower left.
