Facebook ad image size: minimum 1080 x 1080 pixels, but it's best to use the highest resolution. As there is no maximum resolution, just main the ratio requirements (ratio: 1:91:1 to 1:1).
Facebook Ad image format
Facebook Ad image should be JPG or PNG file with the highest resolution. Facebook recommends saving images as JPG with an RGB color profile.
Which Ad gets more click?
To get the best result from social media marketing, paid advertising is necessary. People usually like decorated and attractive content. So, your ad image should be catchy to look at and professionally designed to get a higher CPC.
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