

Type a new name for the compressed version of the file and choose where you want to save it.Click the Quartz Filter menu in the dialog box and choose Reduce File size.Click the File menu in Preview and choose Export.Control-click the PDF file and choose Open With, then Preview if it's not. Suppose Preview is the default application for opening PDFs on your Mac, then double-click at the top of the file to open it.The easiest way to reduce a PDF on your Mac is to use the Preview application. Read below the best ways to reduce file size. But that method has limitations, so it won’t do much to reduce the file size that’s already compressed. Other files can be reduced by compressing them in the Finder or a third-party tool. Likewise, you can make the audio file smaller by exporting it as an MP3, for example, instead of AIFF or a high-resolution audio format. Also, you can make an image smaller by changing the compressing settings for the jpg and png file or saving it as a jpg or png if it is a TIFF file. For example, you can make a video or photo file smaller by reducing its resolution. The first question to ask yourself before reducing file size is whether you can change that file. Let’s jump right in! How to make the file size smaller on a Mac How you reduce file size will depend on the file type, its contents, and whether you can edit the file or not. Whatever the reason, there are some ways to do it. Or you may want to send the file by email or upload it to the web. One could be that you’re running out of space on your startup disk. There are several reasons you might need to make a file smaller on your Mac. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.
