Alternatively, you can right-click the PDF file and select Open with. . . . Click Preview. app in the list of apps.

Click File in the menu bar at the top. Click Open. . . in the drop-down menu. Select a file in the dialog box. Click Open.

You can use HiPDF on Windows, macOS, Linux, iOS, Android, etc.

High: This compresses the file the most producing a smaller file size, but lower quality. Medium: This applies a moderate amount of compression. This produces a slightly larger file size, but also a better quality file. Low: This applies the least amount of compression. This only reduces the file size by a small amount, but produces the best quality file.

If your PDF document has many pictures, the compression effect will be more obvious. On the contrary, if your PDF document only has text, the effect will not.

You can download Adobe Acrobat Reader DC for free from https://get. adobe. com/reader/

Click File. Click Open. Navigate to a PDF file and click it to select it. Click Open.

If you are using Adobe Acrobat Reader DC, click Compress Now. Then click Try Now and fill out the form to sign up for a free 7-day trial of Adobe Acrobat Pro DC. Alternatively, you can click the Tools tab and then click Optimize PDF. Then click Compress PDF at the top of the screen.

Alternatively, you can click one of the recent save locations listed in the box or click Document Cloud to save it to your Adobe Cloud service.