Here are a few ways to quickly do it on your Mac.

you might reduce the file size quite a bit by reducing the resolution.

To do it, bring up the image in the Preview app and clickEdit.

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Here, choose the JPEG format, and reduce theQualityslider till youre happy with the file size.

it’s possible for you to use Previews Export tool to export the image in a different format.

Go toFile>Exportand chooseJPEGin the Format section.

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If youre using macOS Monterey and higher, you’re free to use do this from Finder itself.

go for the images that you want to convert, right-click, and go toQuickActions>Convert Image.

Here, switch to a format likeJPEG.

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To reduce the file size further, you could choose between Small, Medium, and Large file sizes.

It removes unnecessary metadata and compresses images without losing out on image quality.

Its also pretty easy to use.

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Just drag in the images, and ImageOptim will do the rest.

If youre looking for a really aggressive method for compressing images, use the free online service calledTinyPNG.

The $25/year Pro subscription removes all the limits.

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