I working on a website which has a content type. The content type contains an image field. Thousands of images uploaded already. Because image size is very big, there is requirement to compress the size of images.

I found a module Image API Optimize, but this module works only when a new image is uploaded. But my requirement is that I want to compress the images which are already uploaded.

Can anybody help me solve this problem?

closed as too broad by kiamlaluno May 5 '17 at 20:11

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A module like Max Image Size will resize the original images that have already been uploaded, but I don't believe it is possible to also use an optimization on the images when they are resized. You can only specify a new maximum width and height.

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