X (Twitter) Image Ad Ad Size: 1600×900 px
Aspect ratio 16:9 · 1600×900 pixels · JPG, PNG, GIF
1600×900 landscape (16:9) or 1200×1200 square. Promoted tweets in the timeline.
Why this size matters
X's ad system rewards engagement — retweets, replies, quote tweets all lift reach. Creative that provokes conversation outperforms polished brand content.
- Formats
- JPG, PNG, GIF
- Max file size
- 15 MB
- Best for
- Announcements and community-driven brand moments.
Design tips that actually move the needle
- 0116:9 for landscape hero. Square 1200×1200 renders 1.5× larger in-feed on mobile.
- 02Text on image OK — X users read more than Instagram users.
- 03Reply-baiting hooks work — questions, hot takes, memes.
- 04Video autoplay is muted; caption everything.
People also ask
Landscape or square on X?+
Square dominates mobile feed and X is ~85% mobile. Use landscape only for cross-purpose creative shared elsewhere.
What is 16:9 in pixels?+
For X (Twitter) Image Ad, a 16:9 aspect ratio is 1600×900 pixels. Any resolution with the same ratio works, but 1600×900 px is the recommended native size and avoids upscaling.
Is 1600×900 the right size for X (Twitter) Image Ad?+
Yes — 1600×900 px (16:9) is the recommended X (Twitter) Image Ad ad size. Accepted formats: JPG, PNG, GIF. Maximum file size: 15 MB.
Related sizes
Free tools for this size
Aspect ratio reference
→ 16:9 aspect ratio: pixel sizes, mm and placementsStop resizing by hand. Xeli does it for you.
Xeli composes every asset to the correct native aspect and safe zone per placement — automatically, across every platform.
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