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LinkedIn Ads ad specs
Single image ad
Sponsored content in the feed
- Dimensions
- 1200 × 627 px
- Aspect ratio
- 1.91:1 (1:1 also supported)
- Max file size
- 5 MB
- File types
- JPG, PNG
- Copy limits
- Intro text 150 chars before truncation · Headline 70 chars
Carousel ad
Swipeable cards in the feed
- Dimensions
- 1080 × 1080 px per card
- Aspect ratio
- 1:1
- Max file size
- 10 MB per card
- File types
- JPG, PNG · 2–10 cards
- Copy limits
- Intro 150 chars · Card headline 45 chars
Video ad
Native video in the feed
- Dimensions
- 1920 × 1080 or 1080 × 1080
- Aspect ratio
- 16:9 or 1:1
- Max file size
- 200 MB
- File types
- MP4 · 3 s – 30 min (≤ 15 s performs best)
- Copy limits
- Intro text 150 chars
Message ad
Direct sponsored InMail
- Dimensions
- Banner 300 × 250 px (optional)
- Aspect ratio
- —
- Max file size
- 2 MB banner
- File types
- JPG, PNG
- Copy limits
- Subject 60 chars · Body 1,500 chars
Specs current as of 2026 and subject to change by the platforms — confirm against official docs before final creative export.