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1080×1350
shown at 16%
Carousel Card - Vertical (4:5)
Carousel
- Size (px)
- Ratio
- 4:5
Reddit Ads — Carousel Ad Card
Carousel · Social · Verified 2026-06
Live preview
1080×1350
shown at 34%
In context
Sample feed post
Full specification
Size (px)
Ratio4:5 (also 1:1, 4:3, 16:9; all cards must match)
Max weight20 MB per image (GIFs limited to 3 MB)
FormatsJPG, PNG, GIF
Text limits
Headline
300 chars
Caption
50 chars
Notes & best practice
Use 2 to 6 cards per carousel.
All cards must share the same aspect ratio.
Recommended formats are 4:5 portrait (1200x1500), 4:3 landscape (1440x1080), 16:9 (1920x1080), and 1:1 square (1200x1200).
Per-card image weight is up to 20 MB.
Animated GIF cards are capped at 3 MB.
Each card supports its own 50-character caption.
Thumbnails are auto-generated from the media.
Frequently asked questions
What size is the Reddit Ads Carousel Ad Card?
The Reddit Ads Carousel Ad Card is 1080×1350 px, aspect ratio 4:5 (also 1:1, 4:3, 16:9; all cards must match).
What is the aspect ratio of the Reddit Ads Carousel Ad Card?
4:5 (also 1:1, 4:3, 16:9; all cards must match). At the recommended resolution that is 1080×1350 px.
What is the maximum file size for the Reddit Ads Carousel Ad Card?
Up to 20 MB per image (GIFs limited to 3 MB), in JPG, PNG, GIF.
What file formats does Reddit Ads accept for the Carousel Ad Card?
JPG, PNG, GIF.
Why does Reddit Ads crop my Carousel Ad Card?
Reddit Ads shows Carousel Ad Card at 4:5 (also 1:1, 4:3, 16:9; all cards must match). 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 Carousel Ad Card 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.