What size are X (Twitter) Carousel Card ads?

X (Twitter) Carousel Card ads are 800×800 pixels with an aspect ratio of 1:1.

What aspect ratio does X (Twitter) Carousel Card use?

X (Twitter) Carousel Card supports 1:1 and 1.91:1 aspect ratios.

What is the maximum file size for X (Twitter) Carousel Card?

Files for X (Twitter) Carousel Card can be up to 20 MB.

Which file formats does X (Twitter) Carousel Card accept?

X (Twitter) Carousel Card accepts JPG and PNG files.

What are the copy limits for X (Twitter) Carousel Card?

X (Twitter) Carousel Card copy is limited to 50-character headlines and 280-character body text.

Where does X (Twitter) Carousel Card appear on X (Twitter)?

X (Twitter) Carousel Card ads appear in the Timeline placement on X (Twitter).

Where can I find the official X (Twitter) Carousel Card documentation?

The official source for X (Twitter) Carousel Card requirements is https://business.x.com/en/help/campaign-setup/advertiser-card-specifications, linked from this page.

Are these X (Twitter) Carousel Card specs kept up to date?

Yes — every spec entry references X (Twitter)'s official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.

X (Twitter) Carousel Card ad specs

X (Twitter) Carousel Card ads are square 1:1 still images, measured at 800×800 px, up to 20 MB per file, delivered as JPG or PNG. They run in the Timeline placement on X (Twitter). Use these requirements to brief designers, validate uploads, and avoid creative rejections in X (Twitter)'s ad manager.

Dimensions: 800×800 px
Aspect ratio: 1:1, 1.91:1
Max file size: 20 MB

Visual specifications

Dimensions	800 × 800 px
Aspect ratios	1:1, 1.91:1
Orientation	square
Max file size	20 MB
File types	JPG, PNG

Copy limits

Headline	50 chars
Primary text	280 chars

Notes & source

2–6 cards. Each card supports its own headline.

Official source: https://business.x.com/en/help/campaign-setup/advertiser-card-specifications

Frequently asked questions

What size are X (Twitter) Carousel Card ads?: X (Twitter) Carousel Card ads are 800×800 pixels with an aspect ratio of 1:1.
What aspect ratio does X (Twitter) Carousel Card use?: X (Twitter) Carousel Card supports 1:1 and 1.91:1 aspect ratios.
What is the maximum file size for X (Twitter) Carousel Card?: Files for X (Twitter) Carousel Card can be up to 20 MB.
Which file formats does X (Twitter) Carousel Card accept?: X (Twitter) Carousel Card accepts JPG and PNG files.
What are the copy limits for X (Twitter) Carousel Card?: X (Twitter) Carousel Card copy is limited to 50-character headlines and 280-character body text.
Where does X (Twitter) Carousel Card appear on X (Twitter)?: X (Twitter) Carousel Card ads appear in the Timeline placement on X (Twitter).
Where can I find the official X (Twitter) Carousel Card documentation?: The official source for X (Twitter) Carousel Card requirements is https://business.x.com/en/help/campaign-setup/advertiser-card-specifications, linked from this page.
Are these X (Twitter) Carousel Card specs kept up to date?: Yes — every spec entry references X (Twitter)'s official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.