Facebook vs Reddit Ads image sizes 2026

One file works on both for 0 formats, one layout with two exports for 1, and 3 need their own layout. 3 of 11 layouts below serve both platforms.

FacebookvsReddit Ads

Check one creative against Facebook and Reddit Ads

Drag & drop your creative or click to choose a file Checked against 26 placements on both platforms

Or type a size

Nothing is uploaded or saved — the check runs entirely in your browser.

Format by format

The main size of each format on both platforms, and whether one file covers both.

Placement	Facebook	Reddit Ads	For both
Square	Reels Overlay & Post-Loop Ad (1:1) 1:130 MB JPGPNG	Image Ad / Promoted Post - Square (1:1) 1:13 MB JPGPNGGIF	One layout, two exports
Vertical / Portrait	Feed Image - Vertical (4:5) 4:530 MB JPGPNG	Image Ad / Promoted Post - Portrait (3:4) 3:43 MB JPGPNGGIF	Different layouts
Stories / Reels	Stories Image (9:16) 9:1630 MB JPGPNG	—	Only on Facebook
Landscape	Feed Image - Landscape / Link (1.91:1) 1.91:130 MB JPGPNG	Image Ad / Promoted Post - Landscape (16:9) 16:93 MB JPGPNGGIF	Different layouts
Carousel	Carousel Card (1:1) 1:130 MB JPGPNG	Carousel Ad Card 4:5 (also 1:1, 4:3, 16:9; same ratio on all cards recommended)20 MB JPGPNGGIF	Different layouts
Profile picture	Page Profile Picture 1:1— JPGPNG	—	Only on Facebook
Cover / Header	Page Cover Photo 2.7:1— JPGPNG	—	Only on Facebook

One creative set for both

Layouts: 11 · used on both platforms: 3

1:1Image Both

Master size Export sizes Max weight3 MBReddit Ads FormatsJPGPNG

Facebook Feed Image - Square (1:1) 1080×1080·Reels Overlay & Post-Loop Ad (1:1) 1440×1440·Carousel Card (1:1) 1080×1080·Marketplace Image/Video (1:1) 1200×1200·Right Column Image Ad (desktop) 1200×1200·Search Results Image/Video (1:1) 1080×1080

Reddit Ads Image Ad / Promoted Post - Square (1:1) 1080×1080·Free-form Ad (Rich Text Post) 1200×1200
4:5Image Both

Master size Export sizes Max weight3 MBReddit Ads FormatsJPGPNG

Facebook Feed Image - Vertical (4:5) 1440×1800

Reddit Ads Image Ad / Promoted Post - Portrait (4:5) 1080×1350·Carousel Ad Card 1200×1500·Interactive Ad (Quiz, Poll, Countdown) 816×1024
1:1Video Both

Master size Export sizes Max weight1 GBReddit Ads FormatsMP4MOV

Facebook In-Stream Image/Video (1:1) 1080×1080

Reddit Ads Video Ad (Promoted Video) 1200×1200
9:16Image

Master size Max weight30 MB FormatsJPGPNG

Facebook Stories Image (9:16)·Facebook Reels Image (9:16)
4:3Image

Master size Export sizes Max weight3 MB FormatsJPGPNGGIF

Reddit Ads Image Ad / Promoted Post - Landscape (4:3) 1440×1080·Image/Video Ad Thumbnail (classic-mode) 400×300
9:16Video

Master size Max weight4 GB FormatsMP4MOVGIF

Facebook Stories Video (9:16)·Facebook Reels Video (9:16)
2.70:1Image

Master size Max weight— FormatsJPGPNG

Facebook Page Cover Photo
1.91:1Image

Master size Max weight30 MB FormatsJPGPNG

Facebook Feed Image - Landscape / Link (1.91:1)
3:4Image

Master size Max weight3 MB FormatsJPGPNGGIF

Reddit Ads Image Ad / Promoted Post - Portrait (3:4)
16:9Image

Master size Max weight3 MB FormatsJPGPNGGIF

Reddit Ads Image Ad / Promoted Post - Landscape (16:9)
4:5Video

Master size Max weight4 GB FormatsMP4MOVGIF

Facebook Feed Video (4:5)

Text limits

Every value each platform uses for the field, characters unless noted

Field	Facebook	Reddit Ads
Headline	10 · 20 · 25 · 27 · 40 · 55	300
Primary text	40 · 60 · 80 · 125 · 150	—
Description	18 · 30	—
Caption	—	50
Body	—	40000

Video side by side

Facebook

Feed Video (4:5) 1440×1800 · 4:5 · Max duration: 1 second to 241 minutes · 4 GB
In-Stream Image/Video (1:1) 1080×1080 · 1:1 · Max duration: 5-15 seconds (desktop); 5 seconds to 10 minutes (mobile) · 4 GB
Stories Video (9:16) 1440×2560 · 9:16 · Max duration: 1 second to 3 minutes · 4 GB
Facebook Reels Video (9:16) 1440×2560 · 9:16 · Max duration: No maximum limit · 4 GB

Reddit Ads

Video Ad (Promoted Video) 1200×1200 · 1:1 (also 4:5, 4:3, 16:9 supported) · Max duration: Up to 15 minutes (5-30 seconds recommended; minimum 2 seconds) · 1 GB