If you have lots of large files or folders on your Mac, it is wise to compress them in order to get more free space, for compressed files take up less space on your Mac's hard disk than uncompressed files. In general, compressing files in modern operating systems is a complex technique to learn. But don't worry! Here I'll show you how to use Mac's built-in file compression tool and a highly recommended Mac file compressor to compress files or folders on Mac.
PDF Compressor for Mac is able to optimize PDF structures and compresses pictures, graphics and objects within a PDF file while preserving the original file format and quality. It is easier to share and send the compressed PDF files which are much smaller and consume less storage space. By dealing with the image or fonts elements in original PDF files, PDF Compressor for Mac. There are many free PDF Compressor tools are available to reduce PDF size by compressing the PDF and allows you to easily attach to the email or chat window. The tools can shrink PDF dramatically and compress PDF file without any content loss. Based on your PC OS, whether it is Mac or Windows, we listed the PDF Compressor Tools for PC.
Things you need to know before compressing files and folders
Before you start to compress files and folders, there are two things you have to know. Firstly, you have to understand that not all files can be compressed by a significant amount and you may not be able to compress a file much smaller than its original size. Generally speaking, a zip file will be about 10% smaller than all of the files were before compressing. This feature works best with medium size files - compressing lots of small files or one or two big files won't save you much space. Secondly, the Mac's built-in compression and decompression option uses the ZIP format, and if the files are large, you won't be able to use your Mac operating system's built-in compression tool to compress them. So you'd better use a professional third-party Mac file compressor - Cisdem Unarchiver to help you compress large files and folders. Below we will show you the detailed operating steps of the two ways to compress files and folders on your Mac.
How to compress files and folders on Mac by using its built-in compression tool?
- Select the file or folder in the Finder. You can select multiple files and folders by holding down the Shift key (for multiple items) or the Command key (for several individual items) and clicking.
- Right-click or control-click on the file to bring up the pop-up menu. Select 'Compress file name'. If you want to compress four files at the same time, just right-click them and choose 'Compress 4 Items'.
- A window will appear indicating that your Mac is compressing the files or folders. This could take a couple minutes depending on the size of the files or the folders.
- Once your Mac has finished compressing the files or folders, you'll see a zip file. This contains all of the files and folders you selected to be compressed. Double-click zip file when you want to open it.
tips: If you just need open a zip file or compress a few images, it's a simple process. Quick, easy and simple! However, the only problem is that the Finder isn't capable of any advanced archiving operations, or opening slightly more obscure file types. If you need more handles, keep on reading and try the other way as follows.
How to compress files and folders on Mac via Cisdem Unarchiver?
Cisdem Unarchiver is highly recommended as the best third-party decompression and compression software which allows you to entirely or partially open RAR, Zip, 7-zip, ISO, Udf, Wim, TAR, etc. files on Mac and helps you compress multiple large files and folders. It lets you to preview archive contents without decompressing and create passwords to protect zipped files on Mac.
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Be sure to read: The Easiest Way to Compress PDF on Mac OS X? .Another article if you are interested with: How to Zip and Unzip Files on Mac
Download the free Mac version of Cisdem Unarchiver and follow the below guidance to compress large files and folders on Mac.
1. Install and launch Cisdem Unarchiver on your Mac. Click 'iPack' on the menu bar. And there will pop up a little window. Click 'Add' button to add files and folders you want to compress.
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2. Click 'Compress' and a window will appear for you to choose the format you want to save compressed files, there are 3 formats available for you, including 7z, Zip and Tar. Then click 'Save'. And you files will be compressed into that format file. You can also create password to protect your important files by selecting the password option underneath 'Format'.