LinkedIn · 6 formats
Single image ads run 1200x628, 1200x1200 or 720x900. Video runs 16:9, 1:1, 4:5 or 9:16 for 3 seconds to 30 minutes. Intro text truncates at 150 characters.
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1:1
16:9From LinkedIn's Marketing Solutions help center. Recommended size first; the cards below carry the minimums, file limits and text limits.
| Format | Recommended size | Ratios | Max file |
|---|---|---|---|
| Single image | 1200x1200 | 1.91:1, 1:1, 4:5 | 5MB |
| Video | 1920x1080 | 16:9, 1:1, 4:5, 9:16 | 75KB to 500MB |
| Carousel | 1080x1080 | 1:1 | 10MB per card |
| Document | PDF, DOC, DOCX, PPT or PPTX | Page shape of the file | 100MB, 300 pages |
| Conversation | 300x250 | 300x250 banner, optional | - |
| Text ad | 100x100 | 1:1 | 2MB |
LinkedIn feed · LinkedIn Audience Network
1200x628 for landscape, 1200x1200 for square, 720x900 for vertical. Vertical shows on mobile only.
LinkedIn feed
H.264 or VP8 under 30 frames per second, AAC or MPEG4 audio. Captions upload as an SRT file. Custom thumbnail up to 2MB.
LinkedIn feed
2 to 10 cards, each shown at 312x312 in the feed. Square only.
LinkedIn feed
Lead gen document ads take PDF only. Embedded video and animation show as still pages.
LinkedIn messaging
The banner shows on desktop only. The intro message must include a "Not interested" option.
Desktop right rail and top banner
A small square logo or image beside two lines of text. Desktop only.
38.5% of LinkedIn ads in the Sprites ads library run at 1:1. By format the mix is 62.4% image, 31.1% video, 4.8% document, 1.7% carousel.
| Format | Share of ads | Most common ratio | Runner-up |
|---|---|---|---|
| Image | 62.4% | 1:1 · 48.1% | 4:5 · 27% |
| Video | 31.1% | 16:9 · 45.9% | 1:1 · 27.5% |
| Carousel | 1.7% | 1:1 · 76.9% | 4:5 · 20.5% |
Square is the default on LinkedIn, and the one to make first. It is the only shape a carousel takes, it runs in the feed on desktop and mobile, and it is what most LinkedIn advertisers ship.
LinkedIn publishes no safe zone. The feed crops nothing and overlays nothing on the creative, so the constraint is the text above it: 150 characters of intro before "see more". Put the claim there, not in the image.
Video and carousel each have their own page: LinkedIn video ad specs and LinkedIn carousel ad specs. For what B2B advertisers actually run, see the LinkedIn ads library.
Ask Sprites for LinkedIn image ads and it builds one creative, then recomposes it to each size below in the same run. No cropping by hand, no second brief.
1200x1200 for square, 1200x628 for landscape and 720x900 for vertical, which runs on mobile only. Maximum file size is 5MB.
Introductory text: 150 characters before truncation, 3,000 max. Headline: 70 recommended, 200 max. Description: 100 recommended, 300 max.
No. LinkedIn draws nothing over a single image or video in the feed. Carousel cards show at 312x312, so text on them has to read small.
3 seconds to 30 minutes. LinkedIn recommends 15 to 30 seconds.
Sprites builds image ads in every placement size for Meta, Google, LinkedIn, Reddit and TikTok from one prompt.
