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 02Section GOOGLERev 2026-10-21

Google Ads specs

Quick answer: Google Ads specs differ by campaign type. The most common image sizes are 1200 x 628 (1.91:1) and 1200 x 1200 (1:1).

Google says the most common image sizes across campaign types are 1200 x 628 (1.91:1) and 1200 x 1200 (1:1).

✓ VerifiedLast checked 2026-10-21 Source: support.google.com.