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Is there a method to compress PDF files on Mac without losing quality? When you need to send some PDF files to Email or Cloud service, there might be a restriction to the large size of the PDF. As for some important PDF files, how do you reduce the size of a PDF without losing quality on Mac?

If you just need to resize the PDF files, you do not have to purchase a PDF compressor or editor. The article introduces 3 free PDF resizers to reduce PDF file size on Mac. Choose the desired one according to your requirement from the article now.

Part 1: How to Reduce PDF Size on Mac Online for Free

In order to compress PDF files on your Mac with a high quality, Free Online PDF Compressor is an online PDF high compression tool to reduce the size of PDF files with the maximum quality. Moreover, it supports all the browsers on Mac/PC, or Android/iPhone.

Step 1Click the “Select PDF File” to select the PDF file you want to reduce or compress from your Mac. You can also drag-n-drop the PDF files directly into the online PDF compressor on Mac.

Step 2Once the PDF files are uploaded, the online tool will slim the PDF and maintain the maximum quality. You can also check the size and how much percentage your PDF has been compressed.

Step 3Click the “Download the PDF” button to download the compressed PDF files to your Mac. You can also reduce the size of another PDF file with the “Compress Next PDF” option.

Part 2: How to Compress PDF Size on Mac via Preview

Preview is the default PDF viewer on Mac, you can also use it as a free method to reduce PDF files on Mac. Moreover, you can either split the large PDF file into several parts or reduce the size of PDF with a good quality via the Quartz filter.

Make a PDF File Smaller with Quartz Filter

Step 1Launch the Preview program on your Mac, click the “File” > “Open…” to load the large PDF file into the program.

Step 2Go to the “File” menu and choose the “Export…” option, you can access to the “Quartz Filter” layer to reduce PDF file size on Mac.

Step 3Unfold the options of “Quartz Filter” and choose the “Reduce File Size”. Click the “Save” button to export a compressed PDF file.

Shrink a PDF File into Several Parts

Step 1Just drag-n-drop the desired large PDF file into Preview. Make sure the “Thumbnails” mode is enabled. Go to “View” > “Thumbnails” to enable the option.

Step 2Navigate to the PDF page you want to save, you can drag and drop the thumbnail from Preview into the Finder location. Each one will be saved to an individual PDF document.v

Step 3After that, open one dragged PDF file with Preview, you can enable the “Thumbnails” again and drag more others in the correct order to combine them as one PDF file.

Part 3: How to Shrink a PDF on Mac with Adobe Acrobat DC

Now, here is the method to reduce a PDF on Mac with Adobe Acrobat DC. It is not a free PDF compressor; instead you should pay a high price. But you can take advantage of the 7 day free trial to reduce the PDF files with a good quality as below.

Step 1Launch the program and choose the “Optimize PDF” option. After that you can select the “Open” option to select the large PDF file into the PDF compressor.

Step 2Click the “Reduce File Size” option in the top menu. Choose the file version compatibility from the drop-down menu option. The program is able to reduce the PDF size on Mac.

Step 3Keep the default setting of “Retain existing” and click the “OK” button. If you do not want to replace the original PDF file, select a new name before clicking the “Save” button.

Conclution

When you need to reduce a PDF size on a Mac, you can use the default Preview on Mac, which provides a poor quality. Of course, you can use the Adobe Acrobat DC within the trial period. If the two above solutions do not work for you, you can always choose the Apeaksoft Free Online PDF Compressor to reduce the PDF file with a good quality. More queries about how to compress PDF size on Mac for free, you can share more details in the comments.

/iMyMac PDF Compressor /How to Compress A PDF on Mac with Original Quality (Free)

If you are a Mac user, you can easily create a PDF file without using additional software. Although it is a relatively hassle-free process, it lacks customization options particularly with the quality and its file size. In such instances, you might end up with a large PDF file. So you might wonder how to compress a PDF on Mac.

Even though the document has better quality, it is a heavier file. There are cases in which quality is the priority than the file size but, in most instances, most prefer a PDF file with a smaller size to make it easier to include in emails. This will require you to compress the file size before it can be shared with others. In such instances, you need to find ways on how to compress a PDF on Mac.

Article GuidePart 1. How to Compress PDF on Mac without Losing Quality?Part 2. How Do I Reduce the Size of A PDF in Preview?Part 3. How to Compress A PDF on Mac Using Adobe Acrobat?Part 4. What Are the Advantages of PDF Files?Part 5. Let's wrap it up

Part 1. How to Compress PDF on Mac without Losing Quality?

PDF files (portable document format) are one of the popular and preferred document formats at present. This is due to its versatile nature and universal compatibility. The file format is widely used by students and professionals to save files that can be easily shared and opened on any device or platform. A PDF that was created on a Windows PC can be opened and even edited on a Mac. This feature makes this file format highly convenient.

When it comes to how to reduce PDF size Mac, there're lots of ways. If you want to find an efficient way on how to compress a PDF on Mac, you need the iMyMac PDF Compressor, it can compress PDF on Mac for free.

How to Compress A PDF on Mac for Free using iMyMac PDF Compressor

Once you decide to use iMyMac PDF Compressor to cut down the file size of your PDF files, simply follow these simple steps:

1. After downloading iMyMac PDF Compressor from the iMyMac website for free, install it on your Mac and open its home page.
2. Simply drag the PDF file and drop it at the center. The compression process will start automatically.
3. Once the compression is complete, you can check the files by tapping on the “Preview” button.
4. Tap on “Save” to choose a folder where the file will be stored.

The entire process is essentially simple and you can compress your PDF files with just a few clicks of your mouse.

What Are the Advantages of iMyMac PDF Compressor?

With this tool, you can easily compress a PDF file on your Mac in a hassle-free manner with its noteworthy features.

1. Simple. Once you are presented with the main page of iMyMac PDF Compressor, simply drag a PDF file into the interface. In just a few seconds, the compression is complete. You can even preview the compressed files and select a specific folder to save them. If you want a quick and simple way on how to compress a PDF on Mac, this is the ideal tool.
2. Secure. When compressing PDF files using iMyMac PDF Compressor, your files are secure. You no longer need to worry about being hacked since the tool supports offline functionality on Mac. Both your information and privacy are under protection when this tool is used.
3. Automatic. With this PDF compression tool, it aims at providing users with an easy yet highly efficient way to compress files while retaining high quality. For those who have no clue on what “dpi” is all about or how large the PDF file is, this tool automatically provides you with an ideally compressed PDF file.
4. Strict. Generally, if your PDF files include a few images, it might take some time for the compression to complete. Unlike with other similar tools, iMyMac PDF Compressor maintains its rapid speed in compressing files regardless of how large the PDF files are. Furthermore, it complies with the email attachment requirements.

Part 2. How Do I Reduce the Size of A PDF in Preview?

Preview can be used to open and view images and PDF files but it can also allow you to compress PDF files. As an alternative on how to compress a PDF on Mac, simply follow these steps:

1. Open Preview on Mac
2. Go to the “File” menu and tap on the “Open” button. Choose the PDF file to be compressed. “Tap on “Open” so that file is opened in Preview.
3. Go through the “File” menu again and select “Save”. Check the “Quartz Filter” option. Select “Reduce File Size”. You have the choice to indicate the file name and target destination where the compressed PDF will be saved.
4. Tap on “Save” to start the compression process.

The only drawback is that you cannot configure the compression level. Generally, it is not an issue of concern for most but if it is something that you want to adjust, using a different app is suggested.

Part 3. How to Compress A PDF on Mac Using Adobe Acrobat?

Adobe Acrobat can be used to compress your PDF files in two methods. You can reduce the size of the PDF file with the “Save As” function or utilizing the in-built PDF Optimizer.

If you are going to use the “Save As” feature of Adobe Acrobat, follow these steps:

1. Open Adobe Acrobat and tap on the “Open” option to import the PDF file to be compressed.
2. Tap on “Save As Other…” > “Reduce Size PDF…” This opens the settings window.
3. On the Acrobat Version Compatibility tab, choose the newer version so that the PDF is reduced to a smaller size.
4. Tap on “Apply to Multiple” so that the configuration is applied to several files if necessary.
5. Lastly, tap on “OK” to complete the process.

If you will use the Adobe Acrobat PDF Optimizer, follow these steps:

1. Open Adobe Acrobat and import the PDF file you want to compress.
2. Move to “Save As Other…” and choose the “Optimized PDF…” option.
3. On the pop-up window that opens, check and confirm the compression settings.
4. Tap on “OK” to start the compression process.

Part 4. What Are the Advantages of PDF Files?

The PDF format boasts several advantages than other common file formats. There are several reasons why it is better to use this file format than others.

1. Portability. This is one of the main features that make PDF files stand out from the rest. With this file format, you can transfer or move the files without worrying about lost elements. When a PDF file is created, you can easily share it with others and the images, fonts, tables, and formatting present will be moved with it.
2. Universally compatible. Since the PDF format established an open standard back in 2008, it gained extensive support in various types of apps. Most of the modern browsers can open and display PDF files while the majority of operating systems include basic pre-installed apps to access PDF files. Generally, you can open PDF files on Mac, Windows or Linux.
3. Reliability. Unlike with other file formats, PDFs are considered highly reliable. When creating a PDF file that contains various elements such as images, tables, paragraphs or vector graphics, it will always display them in the same manner regardless of where you are viewing it.
4. Ease of creation. Another feature that makes PDF files stand out is it is easy to create. A variety of apps will allow you to save a file in PDF format. This can be easily copied, shared or transferred with ease.
5. Security. If you want added security on your PDF files, you can secure one with a password. This will ensure that the content of your file is protected from those who are not authorized to see it. When a PDF file is protected with a password, it can only be viewed if the right password is entered.
6. File size reduction. When using a PDF file format, it allows you to reduce the file size by simply lowering its quality. If you have a PDF file that contains images and graphs, it might face issues when sharing it via email or in messaging apps due to the file size limit. In such instances, you can reduce the quality of the PDF files to make it smaller.

Part 5. Let's wrap it up

If you want to learn how to compress a PDF on Mac, there are various options that you can use. If you want a simple and efficient approach, it is recommended to use iMyMac PDF Compressor to compress your PDF files to smaller sizes for convenient sharing and sending via email.

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