How Adobe acrobat compresses the optimized PDF

PDF document Size reduction

1. Run Adobe Acrobat, open the document that you want to compress, and then click on the file-Save as-to reduce the size of the PDF

2, in the pop-up dialog box to select the version to be compatible, and then click OK

3. Change the filename and click Save

Optimized PDF

1, open the document to compress, and then click the file-Save as-optimized PDF

2, click the use of statistical space, view the PDF space distribution

3, above we see, this PDF document most of the space is the image occupy, so we mainly optimize the image items on it. Set the parameters as follows

4, below look at the size comparison of three files. You can find that the second method is much better, and it is recommended to use