One of the best ways to save space on your Mac is by reducing the size of large PDF files. When it doesn’t help even after unloading the trash and deleting apps, this can help you to free up some extra space for your new project. At the same time, the chances are that the compressed version may lose the actual quality of content. Found a way to do this without compromising on quality. Let us guide you on how to reduce PDF file size on Mac.

1. Quartz Filter For Mac Catalina
2. Internet Filter For Mac
3. Quartz Filter For Mac Backup
4. Quartz Filter Mac Os

I want to create custom Quartz filters to reduce file sizes to custom specifications when exporting a PDF in Preview. I found a helpful article on how to do it with an old operating system. I found the code to modify here on Ask Different: How to decrease.pdf size without losing quality My only problem is I can't get my Mac to recognize and use the custom files I created. Unfortunately writing the file to disk with the filter applied results in many memory leaks as you can see here: Is this a bug within the Quartz Framework or am I doing something wrong in the code above? Quartz filters, and click Save. I included 8 settings which produce increasingly large files, with increasingly better quality. I find the 150 dpi / average JPEG compression to be quite suitable for most purposes.

How to Reduce a PDF File Size on Mac Using Preview

1. Open the PDF file you want to compress.
2. Click on File from the top menu.
3. Click Export.
4. Give a name to it and add tags if you want.
5. Set the right location to save it on your Mac.
6. Click on the bar next to Quartz Filter.
7. Select Reduce File Size.
8. Click on Save.

Quartz Filter For Mac Catalina

The file will be exported to your selected location. You can figure out the size difference between the original pdf and the compressed version. To do so, right-click on the file → click Get Info from options, view the file size next to the pdf name.

When you open the compressed file, you may notice the quality of the content lacking details (mostly images and visuals) as compared to the original version.

Best PDF Compression Software for Mac

There are plenty of web applications available, which can help you to reduce the pdf size on mac without losing quality. While some of them might be paid, you can also find freebies that let you compress pdf files temporarily. Here is the list of the best apps.

Free Online PDF Compressor

The websites mentioned below can help you to reduce the size of PDF files within seconds.

Wrapping Up

Internet Filter For Mac

So what do you think, compressing pdf files helped you to save more on your space? Smaller files don’t make sense, but larger ones might save you enough space to import your new projects. Besides, which way do you think is the easiest one to reduce the file size on Mac? Let us know in the comment section below! Besides, if you love using PDF files on your Mac, you might want to know the best editing tool.

Jignesh Padhiyar is the co-founder of iGeeksBlog.com who has a keen eye for news, rumors and all the unusual stuff that happens around Apple products. During his tight schedule, Jignesh finds some moments of respite to share side-splitting contents on social media.

• https://www.igeeksblog.com/author/iosblogger/
• https://www.igeeksblog.com/author/iosblogger/

  How to Share Purchased Apps Between iPhones and iPads
• https://www.igeeksblog.com/author/iosblogger/
• https://www.igeeksblog.com/author/iosblogger/

ColorSync Utility User Guide

Use ColorSync Utility to add a new filter or modify an existing filter to customise the colour in a file.

Add a new filter

1. In the ColorSync Utility app on your Mac, click Filters in the toolbar of the ColorSync Utility window.

2. Click the Add button to create a new filter, enter a name for the filter, then press the Return key.

3. Click the pop-up menu to the right of the filter’s name, then choose the component:

   • Add Colour Management Component: Choose an item from this submenu to add colour modifications to your filter. Choose a default profile for files without a colour profile.

   • Add Image Effects Component: Choose an item from this submenu to change the size, bit depth, interpolation and compression settings for the images in your file.

   • Add PDF Retouch Component: Choose an item from this submenu to set how monochrome data is encoded, whether images are interpolated and whether to create PDF/X-3 documents.

   • Add Domain Information: Choose this item to specify where the filter can be used. The filter can be used in apps, PDF workflows or the Print dialogue.

   • Add Comments: Choose this item to enter a comment about the filter.

When you add a filter, you can prevent it from being edited accidentally by clicking the pop-up menu to the right of it, then choosing Lock. To allow it to be edited, choose Unlock.

To remove a filter, click Filters in the toolbar of the ColorSync Utility window, click the filter you want to remove, then click the Remove button .

Modify a filter

1. In the ColorSync Utility app on your Mac, click Filters in the toolbar of the ColorSync Utility window.

2. Click the disclosure triangle to the left of the filter.

3. Click the disclosure triangle to the left of the filter component, then change the settings to modify the filter.

   Note: If the filter’s components are dimmed, that filter is locked and you can’t edit it. You can, however, duplicate a locked filter and edit the copy. Click the pop-up menu to the right of the filter’s name, choose Duplicate Filter, then modify the copy you just created.

Quartz Filter For Mac Backup

To edit a filter while viewing how the edited filter modifies a PDF file, choose File > Open, then select a file. When the file opens, click the Filter pop-up menu at the bottom of the window, then choose Live Update from Filter Inspector. As you edit the filter, your changes are reflected in the PDF file.

Quartz Filter Mac Os