Resize Image for Twitter / X — Free Online
Resize images for Twitter (X) profile photo, header, and post images. Free browser tool, no upload. Correct Twitter image dimensions instantly.
✓ Profile: 400×400px
✓ Header: 1500×500px
✓ Post: 1200×675px
✓ No upload
Twitter / X image size guide (2026)
| Image Type | Recommended Size | Format | Notes |
|---|
| Profile Photo | 400 × 400 px | JPEG / PNG | Displayed as circle |
| Header Photo | 1500 × 500 px | JPEG / PNG | 3:1 ratio, keep text centred |
| In-feed Post Image | 1200 × 675 px | JPEG / PNG | 16:9 landscape |
| Post — 4 images | 1200 × 675 px each | JPEG | Cropped to square in grid |
🔗 Related Tools on Aero Tools
Related tools