X (Twitter) Ads Specs
Image and video sizes, aspect ratios, text limits, and file requirements for X (Twitter) promoted posts, website cards, and video ads.
Promoted posts with images
| Format |
Recommended size |
Aspect ratio |
Notes |
| Landscape |
1200 × 675 |
16:9 |
Standard in-feed image |
| Square |
1200 × 1200 |
1:1 |
Takes more feed height |
JPG or PNG, 5 MB maximum (GIFs up to 15 MB). Post text follows the standard limit of 280 characters; links consume roughly 23 characters regardless of their real length.
Website cards
Website cards attach a large clickable image, headline, and destination to the ad — the whole card is the link, so there’s no URL eating your character budget.
| Spec |
Value |
| Image (landscape) |
800 × 418 (1.91:1) |
| Image (square) |
800 × 800 (1:1) |
| Headline |
70 characters maximum, truncates earlier on mobile |
| File size |
5 MB |
Video ads
| Spec |
Value |
| Resolution |
1280 × 720 (16:9) or 720 × 720 (1:1) minimum; 1920 × 1080 / 1200 × 1200 recommended |
| Length |
Up to 2 minutes 20 seconds for most accounts |
| Format |
MP4 or MOV, H.264 |
| File size |
1 GB maximum |