Spec log
Rev 2026-10-21 / Performance Max: image, logo and video specs added from Google Ads Help / TikTok: Spark Ads captions show up to 4 lines / Google Display moving to Demand Gen from June 2026 / Meta Feed, Stories, Reels: still unverified / Every spec links to official docs / Rev 2026-10-21 / Performance Max: image, logo and video specs added from Google Ads Help / TikTok: Spark Ads captions show up to 4 lines / Google Display moving to Demand Gen from June 2026 / Meta Feed, Stories, Reels: still unverified / Every spec links to official docs /
Ad Spec SheetRev 2026-10-21Get an ad audit
Sheet 08Section LINKEDINRev 2026-10-21

LinkedIn single image ads

Quick answer: LinkedIn single image ads use 1200 x 628 (1.91:1), 1200 x 1200 (1:1) or 720 x 900 (4:5) images up to 5 MB. Keep intro text under 150 characters and headlines under 70 to avoid truncation (maximums 3,000 and 200).

RatioRecommendedMinimumMaximum
Landscape 1.91:11200 x 628640 x 3607680 x 4320
Square 1:11200 x 1200360 x 3604320 x 4320
Vertical 4:5720 x 900360 x 6402430 x 4320

JPG, PNG or GIF (animated GIFs 250 frames or fewer), max 5 MB. Vertical images only serve on mobile.

FieldRecommendedMaximum
Introductory text150 characters to avoid truncation3,000
Headline70 characters to avoid truncation200
Description100 characters to avoid truncation300
Ad name (internal)255

✓ VerifiedLast checked 2026-10-21 Source: www.linkedin.com.

FAQ

What is the LinkedIn ad headline limit?

70 characters to avoid truncation, 200 maximum.

How long can LinkedIn intro text be?

150 characters to avoid truncation, 3,000 maximum.

What is the max image size for LinkedIn ads?

5 MB, in JPG, PNG or GIF.