Compress images for Google Ads.
Drop your photos and download them under 5 MB, the file-size limit in Google Ads's image rules. The quality is lowered first and the pixel dimensions only when needed; the photo is never cropped. It runs in your browser; nothing is uploaded.
Under 5 MB per image, saved as JPG
Limits come from each platform's own help pages, summarised in the guides (checked 24 September 2026).
What Google Ads asks for.
Source: Google Ads Help — Performance Max specs and format requirements; Demand Gen image assets; AI labels in Google Ads · checked 12 October 2026
Landscape 1,200 × 628, square 1,200 × 1,200 and portrait 960 × 1,200 pixels are recommended; JPG or PNG up to 5 MB, key content in the centre 80%.
- Limit used
- Under 5 MB per image, saved as JPG
- Pixels kept
- The shorter side stays at 300 px or more.
- Formats
- JPG or PNG
- File size
- Up to 5 MB per image (5,120 KB)
Compressors by platform.
Compressing for Google Ads, answered.
What is the image file-size limit on Google Ads?
5 MB per image, according to the rules summarised in the Google Ads guide. This tool saves each photo as a JPG under that size.
Is JPG accepted on Google Ads?
Yes. The formats Google Ads lists are JPEG and PNG.
Does compressing for Google Ads change the pixel size?
Only when lowering the quality is not enough to get under 5 MB. The shorter side stays at 300 px or more.
Where do these figures come from?
From Google Ads Help — Performance Max specs and format requirements; Demand Gen image assets; AI labels in Google Ads, read on 12 October 2026. Marketplaces update their rules; the official page is the final reference.
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