What size are IAB Standards Large Rectangle ads?

IAB Standards Large Rectangle ads are 336×280 pixels with an aspect ratio of 6:5.

What aspect ratio does IAB Standards Large Rectangle use?

IAB Standards Large Rectangle supports 6:5 aspect ratio.

What is the maximum file size for IAB Standards Large Rectangle?

Files for IAB Standards Large Rectangle can be up to 0.2 MB.

Which file formats does IAB Standards Large Rectangle accept?

IAB Standards Large Rectangle accepts JPG, PNG, GIF, and HTML files.

What is the IAB Standards Large Rectangle ad format?

IAB Standards Large Rectangle is a image ad format that runs in the In-content / Sidebar placement on IAB Standards. This page documents its full creative requirements, sourced from IAB Standards's official ad documentation.

Where does IAB Standards Large Rectangle appear on IAB Standards?

IAB Standards Large Rectangle ads appear in the In-content / Sidebar placement on IAB Standards.

How does IAB Standards Large Rectangle compare to other IAB Standards ad formats?

IAB Standards Large Rectangle differs from other IAB Standards placements in its 336×280px canvas, and a 0.2MB file ceiling. Compare side-by-side from the IAB Standards publisher page on All Ad Specs.

Where can I find the official IAB Standards Large Rectangle documentation?

The official source for IAB Standards Large Rectangle requirements is https://www.iab.com/guidelines/iab-new-ad-portfolio/, linked from this page.

IAB Standards Large Rectangle ad specs

IAB Standards Large Rectangle ads are horizontal 6:5 still images, measured at 336×280 px, up to 0.2 MB per file, delivered as JPG, PNG, GIF, or HTML. They run in the In-content / Sidebar placement on IAB Standards. Use these requirements to brief designers, validate uploads, and avoid creative rejections in IAB Standards's ad manager.

Dimensions: 336×280 px
Aspect ratio: 6:5
Max file size: 0.2 MB

Visual specifications

Dimensions	336 × 280 px
Aspect ratios	6:5
Orientation	landscape
Max file size	0.2 MB
File types	JPG, PNG, GIF, HTML

Notes & source

Larger version of the Medium Rectangle providing increased creative space. Max initial load 200 KB.

Official source: https://www.iab.com/guidelines/iab-new-ad-portfolio/

Frequently asked questions

What size are IAB Standards Large Rectangle ads?: IAB Standards Large Rectangle ads are 336×280 pixels with an aspect ratio of 6:5.
What aspect ratio does IAB Standards Large Rectangle use?: IAB Standards Large Rectangle supports 6:5 aspect ratio.
What is the maximum file size for IAB Standards Large Rectangle?: Files for IAB Standards Large Rectangle can be up to 0.2 MB.
Which file formats does IAB Standards Large Rectangle accept?: IAB Standards Large Rectangle accepts JPG, PNG, GIF, and HTML files.
What is the IAB Standards Large Rectangle ad format?: IAB Standards Large Rectangle is a image ad format that runs in the In-content / Sidebar placement on IAB Standards. This page documents its full creative requirements, sourced from IAB Standards's official ad documentation.
Where does IAB Standards Large Rectangle appear on IAB Standards?: IAB Standards Large Rectangle ads appear in the In-content / Sidebar placement on IAB Standards.
How does IAB Standards Large Rectangle compare to other IAB Standards ad formats?: IAB Standards Large Rectangle differs from other IAB Standards placements in its 336×280px canvas, and a 0.2MB file ceiling. Compare side-by-side from the IAB Standards publisher page on All Ad Specs.
Where can I find the official IAB Standards Large Rectangle documentation?: The official source for IAB Standards Large Rectangle requirements is https://www.iab.com/guidelines/iab-new-ad-portfolio/, linked from this page.