specs

all platforms / LinkedIn

LinkedIn

Current ad format specs for LinkedIn — ratios, sizes, character limits, CTAs. Scraped and versioned so they stay honest.

last updated 2026-04-22 · formats 3 · sources 4

format · 01

Sponsored Image

1.91:1

recommended: 1200x628
min: 640x360
max: 7680x4320

1:1

recommended: 1200x1200
min: 360x360
max: 4320x4320

4:5

recommended: 720x900
min: 360x640
max: 2430x4320

headline

70 recommended · max 200

intro text

150 recommended · max 3000

file size

max 5 MB

format · 02

Sponsored Video

container: MP4

16:9 horizontal/landscape

recommended: 1920x1080, 1200x675
min: 640x360
max: 1920x1080

1:1 square

min: 360x360
max: 1920x1920

4:5 vertical

recommended: 720x900
min: 360x450
max: 1080x1350

9:16 vertical

recommended: 720x1280
min: 360x640
max: 1080x1920

headline

70 recommended · max 200

intro text

max 3000

duration

3–1800s · recommended 15-30s

file size

75 KB – 500 MB

format · 03

Sponsored Carousel

1:1per card

recommended: 1080x1080
cards: 2–10

headline

45 recommended · truncates at two lines

intro text

150 recommended · max 255

file size

max 10 MB

call to action · options

Apply APPLY

Download DOWNLOAD

View Quote VIEW_QUOTE

Learn More LEARN_MORE

Sign Up SIGN_UP

Subscribe SUBSCRIBE

Register REGISTER

Join JOIN

Attend ATTEND

Register Demo REQUEST_DEMO

See More SEE_MORE

Buy Now BUY_NOW

Shop Now SHOP_NOW

sources

Specs are scraped, not transcribed. If a platform changes something and this page hasn't caught up, trust the source.