Google Ads square image asset requirements
The published requirements are already set. Add your image and FileBelow makes it match — 1:1 · at least 300px wide · under 5.12 MB · JPEG or PNG.
JPG, PNG, WebP, HEIC, AVIF and BMP. Your file is processed on your device.
The square asset is required. Minimum 300 by 300 pixels, recommended 1200 by 1200, at most 5120 KB, as PNG or JPG. Google advises keeping important content within the centre 80% of the frame.
Official source · checked 2026-08-21
The published requirements
| Minimum width | 300 px |
|---|---|
| Minimum height | 300 px |
| Aspect ratio | 1:1 |
| Maximum file size | 5.12 MB |
| Accepted formats | JPEG, PNG |
Read from support.google.com on .
Platforms change their requirements without notice. If this page disagrees with the source, the source is right — please tell us so we can correct it. Changes are recorded in the changelog.
What Google Ads square image asset means in practice
The square asset is required. Minimum 300 by 300 pixels, recommended 1200 by 1200, at most 5120 KB, as PNG or JPG. Google advises keeping important content within the centre 80% of the frame.
An asset below the minimum size is not eligible to serve, so the campaign runs without it.
Where this image actually appears
A square image asset for responsive display campaigns. Google assembles the finished ad automatically from the assets provided, so this file is a component rather than a complete advertisement — it will be combined with headlines and descriptions written separately, and shown at sizes nobody chose in advance.
Preparing one properly
Provide a clean photograph or product shot with room around the subject, and let the system supply the words. Because the same asset is cropped to several shapes, anything close to an edge can disappear. Contrast matters more than detail: these are rendered small, alongside unrelated content, on pages people are not reading carefully.
The mistake people make
Uploading a finished banner with text baked into it. Google adds its own headline over the asset, so baked-in copy collides with it, and heavily overlaid images tend to be served less often than clean ones.
Meeting the requirements
Choosing Google Ads above sets every rule in the table at once, and the result panel reports each one with a pass or a fail rather than leaving you to check. The 1:1 ratio is applied as a centre crop, and you can drag the frame to choose which part survives before anything is processed.
To see what is wrong before changing anything, the Google Ads requirement check reports every rule against your file without processing it.
Common questions
- What size should a Google Ads square image asset be?
- 1:1 · at least 300px wide · under 5.12 MB · JPEG or PNG. Those are the values published by Google Ads itself, read from its documentation on 2026-08-21 — the source link is on this page so you can check it. Platforms change requirements without announcing it, so verify before anything important.
- Can Google Ads image assets contain text?
- They can, but it is usually counterproductive. The system overlays its own headline and description, so text in the image competes with text the platform is adding. A clean image with the words supplied as headline assets gives the system more combinations to work with.
- Why does Google Ads want more than one aspect ratio?
- Because a responsive ad is assembled for whatever slot it lands in, and slots come in different shapes. Supplying both a square and a landscape asset means the system crops less and can place the ad in more inventory. It will crop a single asset if it has to, and the result is rarely the framing you would have chosen.
- Is my image uploaded when I use this page?
- No. The image is opened, measured and processed by your own browser. This site is entirely static and has no server that could receive a file, which you can confirm in your browser’s network tab or by going offline after the page has loaded.