Ad specs / Google
Google Performance Max image ad size
A Google Performance Max asset group needs horizontal 1.91:1 images at 1200 × 628 pixels (600 × 314 minimum) and square 1:1 images at 1200 × 1200 (300 × 300 minimum); vertical 4:5 at 960 × 1200 is optional. Every image is a JPG or PNG up to 5 MB, with its content in the center 80%. Performance Max lists no 9:16 image, which Demand Gen does, and allows a logo of up to 5120 KB where Demand Gen allows 150 KB.
| Horizontal image | 1.91:1 at 1200 × 628 pixels recommended, 600 × 314 minimum, 5120 KB maximum; required; 4 or more recommended, up to 20 (Google's Performance Max image assets page) |
|---|---|
| Square image | 1:1 at 1200 × 1200 recommended, 300 × 300 minimum, 5120 KB maximum; required; 4 or more recommended, up to 20 (Google's Performance Max image assets page) |
| Vertical image | 4:5 at 960 × 1200 recommended, 480 × 600 minimum; optional; 2 or more recommended, up to 20 (Google's Performance Max image assets page) |
| 9:16 image | Not listed on Google's Performance Max image assets page; Google's Demand Gen image assets and ad format guidelines page lists 9:16 at 1080 × 1920, 600 × 1067 minimum |
| File type and size | JPG or PNG, up to 5 MB (Google's Performance Max image assets page) |
| Square logo | 1:1 at 1200 × 1200 recommended, 128 × 128 minimum, 5120 KB maximum; required; 1, up to 5 (Google's Performance Max image assets page) |
| Horizontal logo | 4:1 at 1200 × 300 recommended, 512 × 128 minimum, 5120 KB maximum; optional; 1, up to 5 (Google's Performance Max image assets page) |
| Logo file size | 5120 KB on Google's Performance Max image assets page; 150 KB for a Demand Gen logo on Google's Demand Gen image assets and ad format guidelines page. The two pages give different limits |
| Logo background | A logo on a transparent background may be shown on white in most ads, so Google recommends a square logo and advises against a mostly white logo on a transparent background (Google's Performance Max image assets page) |
| Text on the image | Overlays are allowed, but Google recommends at least one image without text or graphic overlays for each of square, horizontal and vertical (Google's Performance Max image assets page) |
| HTML5 ads | Up to 614,400 bytes (600 KB), with the meta tags productType 'dynamic' and vertical 'RETAIL' and the 'Responsive' parameter set to true (Google's Performance Max image assets page) |
Source: Google Ads Help — About image assets for Performance Max campaigns, as of . Each row names the Google page it quotes. Platforms revise specs without notice; check the source before you build a template on it.
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Adapt in Terrads makes a 1200 × 628 version of an ad you already have, extending the picture with AI where a crop would lose too much of it.