LinkedIn ad specs: images and video
What LinkedIn asks for in single image and video ads: ratios, recommended sizes, file limits, video length and text lengths, from LinkedIn’s own help pages.
Checked on Oct 16, 2026 against the platform’s own pages. The sources are listed at the end of the guide.
Single image ads
| Landscape (1.91:1) | 1200 × 628 in the Help Center, 1200 × 627 in the Ads Guide; from 640 × 360 to 7680 × 4320 |
|---|---|
| Square (1:1) | 1200 × 1200; from 360 × 360 to 4320 × 4320 |
| Vertical (4:5) | 720 × 900 recommended; from 360 × 640 to 2430 × 4320; shown on mobile only |
| File types | JPG, PNG or GIF; animated GIFs up to 250 frames |
| Maximum file size | 5 MB |
Video ads
| Format | MP4, H.264 or VP8, under 30 frames per second |
|---|---|
| File size | 75 KB to 500 MB |
| Length | 3 seconds to 30 minutes; LinkedIn recommends 15 to 30 seconds |
| Ratios | 16:9, 1:1, 4:5 and 9:16 |
| Captions | SRT files |
Text
| Introductory text | Up to 150 characters before it is cut off; 3,000 at most |
|---|---|
| Headline | Up to 70 characters before it is cut off; 200 at most |
| Description | Up to 100 characters before it is cut off; 300 at most |
How to upload
- 1In Campaign Manager, open the ad set, go to Ads in this ad set and choose Create ad (Create new ad(s) for video).
- 2In the Media field, choose Add, then Upload an image. For video, use Upload or select.
- 3Fill in the introductory text, headline, call to action and destination URL. Add captions as an SRT file with Upload file.
- 4Choose Save ad. LinkedIn reviews ads before they run.
Good to know
- Vertical images show on mobile only; LinkedIn recommends 4:5 there.
- LinkedIn’s Help Center gives the landscape image as 1200 × 628 and its Ads Guide as 1200 × 627. Sizewright makes 1200 × 627.
What Sizewright delivers for LinkedIn
The package Sizewright builds for LinkedIn and every size it composes for it. Each file is checked against these limits before you can download it.
| Package | Delivers |
|---|---|
| LinkedInSpecs checked | JPG or PNGMP4 video |
Sizes
Questions about LinkedIn
What image size works best for LinkedIn ads?
1200 × 628 (1.91:1) or 1200 × 1200 (1:1) for the feed on every device. Vertical 4:5 images show on mobile only, where LinkedIn recommends 720 × 900. Images can be up to 5 MB.
How long can a LinkedIn video ad be?
3 seconds to 30 minutes, at up to 500 MB. LinkedIn recommends 15 to 30 seconds.
Sources
The pages this guide was checked against.
Banners ready for LinkedIn
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