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1440×1800
shown at 12%
Feed Image - Vertical/Portrait (4:5)
Vertical / Portrait
- Size (px)
- Ratio
- 4:5
Reddit Ads — Image Ad / Promoted Post - Portrait (4:5)
Vertical / Portrait · Social · Verified 2026-06
Live preview
1080×1350
shown at 34%
In context
Full-screen 9:16
Full specification
Size (px)
Ratio4:5
Max weight3 MB
FormatsJPG, PNG, GIF
Text limits
Headline
300 chars
Keep key content and text inside the safe zone — the platform UI overlaps the top and bottom of full-screen 9:16 creatives.
Notes & best practice
Portrait 4:5 is the recommended format for mobile feeds.
Recommended resolutions are 1080x1350 and 1200x1500.
Maximum file weight is 3 MB, and the minimum width is 600px.
Frequently asked questions
What size is the Reddit Ads Image Ad / Promoted Post - Portrait (4:5)?
The Reddit Ads Image Ad / Promoted Post - Portrait (4:5) is 1080×1350 px, aspect ratio 4:5.
What is the aspect ratio of the Reddit Ads Image Ad / Promoted Post - Portrait (4:5)?
4:5. At the recommended resolution that is 1080×1350 px.
What is the maximum file size for the Reddit Ads Image Ad / Promoted Post - Portrait (4:5)?
Up to 3 MB, in JPG, PNG, GIF.
What file formats does Reddit Ads accept for the Image Ad / Promoted Post - Portrait (4:5)?
JPG, PNG, GIF.
Why does Reddit Ads crop my Image Ad / Promoted Post - Portrait (4:5)?
Reddit Ads shows Image Ad / Promoted Post - Portrait (4:5) at 4:5. Upload exactly 1080×1350 px and keep key content in the safe area so nothing gets cut off.
Is 1080×1350 still correct for the Reddit Ads Image Ad / Promoted Post - Portrait (4:5) in 2026?
Yes. Last verified 2026-06 against the official Reddit Ads documentation.
Check your creative
Test a file against this exact spec before you upload it anywhere.
Nothing is uploaded or saved — the check runs entirely in your browser.