PDF files are very reliable when it comes to sharing and transferring documents via email and other sharing platforms. This is because they preserve their formatting through the transfer process and are easily accessible on almost every operating system and platform. How to download crazy craft 4.0 on mac. However, larger PDF files are still difficult to share and transfer since their size is not manageable for sharing. If your PDF file is too big to share, you can use a free PDF compressor to reduce its size. Below, we have the top-rated PDF compressor software.
Top 10 Free PDF Compressors
1. PDF WIZ (100% Free)
The software is compatible with OS X 10.4 and supports PDF Services, droplets, and AppleScript. Images make up a significant part of the size of typical PDF file. PDF Shrink can modify the resolution and compression level of the images to match different requirements. In the Preview app on your Mac, open the PDF, then choose File Export. Click the Quartz Filter pop-up menu, then choose Reduce File Size. See also Add effects to a PDF in Preview on Mac Resize, rotate, or flip an image in Preview on Mac Save a document as a PDF in Preview on Mac.
Thanks to its richness in features, PDF WIZ is one of the most advanced PDF compressor software you can find today. Starting from its interface which is not just easy to use but also extremely intuitive, PDF WIZ users are guaranteed a smooth PDF size reduction process.
Working to reduce the size of multiple PDF files should not be tedious for anyone when batch PDF file compression is just a single click away on PDF WIZ. To facilitate with the batch compression, PDF WIZ features the much-coveted drag-and-drop feature that allows you to add as many PDF files as you would want to the tool’s conversion interface.
Both accuracy and speed were put into consideration while developing PDF WIZ. Even when you compress PDF to 100kb, you can be assured that the PDF file quality is not compromised in any way – you will still end up with a high-quality document.
PDF WIZ Main Features
People who install PDF WIZ on their computers and use it to compress PDF offline usually enjoy the following benefits:
A 100% free PDF toolkit with full access to all PDF-related features.
With PDF WIZ, no activation or registration is needed. Just install the PDF resizer on your computer and you should be ready to start compressing the PDF files.
The tool allows you to use it offline. This helps you avoid privacy risks.
The tool is extremely easy to use. To compress PDF to 100kb or any other suitable size, you will just need a couple of clicks.
2. Free PDF Compressor
Just like its name suggests, this PDF compressor software is free – you won’t have to pay in order to use it.
The tool supports 5 different compression settings:
Screen – this is a low resolution, screen-view only quality compression setting. It produces 72 dpi images.
eBook – This setting will produce medium resolution and low-quality 150 dpi images.
Printer – This setting produces high-quality, 300 dpi images.
Prepress – With this setting, you can achieve high-quality and color-preserving 300 dpi images.
Default – This is ideal for a wide range of uses. In some instances, it may produce a larger file compared to the other settings.
To get the smallest PDF file after compression, you will simply need to choose the Screen setting. In most cases, the Prepress setting gives the biggest output file.
3. Nice PDF Compressor
This is another free PDF compressor that makes it possible for you to reduce the size of a PDF file quickly and easily. The PDF resizer features 2 compression algorithms – Flate and RunLength. Its users are allowed to choose from 4 compression levels – Default, Maximum, Fastest, and None.
In addition to helping with compression, the tool is capable of helping with decompression. This means that if your compressed PDF file appears to have bad quality, you can use Nice PDF compressor to change it back to the normal size, which should hopefully have better quality.
4. Cvision PDF Compression Software
This is another tool that makes it possible for you to compress PDF offline. The tool is not entirely free. However, it does come with a free trial version that lasts for 30 days. Within the first 30 days, you should be able to learn whether you would like to upgrade to the paid version.
The tool boasts excellent end results. After compression, the PDF compressor will produce a document featuring ideal quality. As an additional feature, Cvision PDF lets you transform more than 80 files into the size of a normal PDF file.
5. ORPALIS PDF Reducer
This is a reliable and simple tool capable of helping you reduce the size of PDF files on computers running on Windows. While this is not a free PDF compressor, it does feature a free trial version.
ORPALIS PDF compressor software boasts lossless data compression capabilities – the tool has the ability to compress PDF files without reducing the file’s quality. To facilitate the further reduction of the PDF file size, the PDF resizer features the ability to get rid of unwanted objects on PDF files.
6. Cisdem PDF Compressor
If you are currently using a computer running on macOS, Cisdem PDF compressor can help you compress PDF offline. The tool’s interface is pretty simple and very instinctive even for first time users – this means that there is no hassle getting around the PDF compressor software and getting things done.
While trying to compress PDF to 100kb using the Cisdem PDF compressor, you need to follow 3 basic steps. The tool displays the real-time file sizes for you, including the predicted sizes for the compressed PDF files.
The tool features the drag-and-drop feature which makes it extremely easy to use for people who would like to compress numerous PDF files at the same time. The tool gives you access to preset filter modes for the most common needs while adjusting the quality and resolution of the images as you would want.
Cisdem PDF compressor is, however, not a free PDF compressor. But, for people who would like to see whether paying for the tool is worth it, a free trial version does exist.
7. Neuxpower PDF Compressor
With this tool, you get to compress PDF online and offline. The online tool is 100% free. One thing you need to keep in mind when trying to decide whether to use the online tool is that online tools do not guarantee your privacy – once you upload the PDF document to a third-party server, you cannot control who can or cannot see it. For this reason, you should only compress PDF online when the files are not sensitive.
If your files are sensitive and you would like guaranteed privacy, you can download the offline version of the Neuxpower PDF Compressor. The offline version is available for both Mac and Windows users. While the offline version does feature a free trial version, you will have to upgrade to the paid version to keep using it or to enjoy the full features. The Windows and Mac versions are worth $47 each.
Best Compression App For Mac
8. 4Dots Free PDF Compress
When choosing a PDF compressor software, reliability is usually a big concern for most computer users. Luckily for you, 4Dots Free PDF Compressor is a very reliable PDF resizer. The tool features full support for Windows XP, 2003, Vista, 7, 8, 8.1, and 10, irrespective of the architecture. When using this tool to compress your PDF files, Batch PDF compression will be just a single click away.
Convenience is another feature that makes this tool stand out. Its creators have implemented the drag-and-drop feature – this feature lets you add all the files you would like to compress quickly and painlessly. The tool is also incorporated in the Windows Explorer – this means that you will have the ability to compress any PDF file by simply right-clicking on it. If you enjoy working with scripts, you can use the command-line supported functionality to compress your files.
The tool is multilingual. You do not have to know English to use the tool – the PDF resizer features support for more than 30 languages. When using the tool, working with protected files is possible.
9. PDFelement
Thanks to an extremely intuitive and simple user interface, PDFelement is extremely easy to get started with. Although the tool is not free, it comes with a free trial version that lets you try it out before investing in paying for it.
PDFelement combines all the best features of an ideal PDF compressor software – this makes it one of the go-to PDF resizers when the need arises. The tool boasts of having various presets that its users can choose from – each preset produces a file of different size from the other. All that the tool’s users have to do is choose a preset that augurs best with the results they need. The tool does allow its users to specify their own custom settings.
10. PDF Squeezer
PDF Squeezer is only available for those working with computers running on the macOS. The tool brings extremely handy features that work together to make PDF compression a walk in the park. Adding the files to the compressor is made simple by the tool’s drag-and-drop feature – this feature also goes a long way in complementing the PDF resizer’s batch PDF compression functionality.
If you are working with password-protected files, you should not worry. PDF squeezer is capable of working with documents featuring passwords.
The tool does have Add-ons which help simplify tasks even further. The tool’s developers have already included Preview, Finder, and Safari through the tool’s share menu.
With PDF Squeezer, you will have the ability to perform batch PDF compression on both subfolders and folders. The tool does have default compression filters that the users can easily choose from. If the default filters do not fit your requirements, you can create your own compression settings from scratch.
How Does PDF Compression Work?
Types of PDF Compression
When it comes to compressing PDF files, 2 types of compression exist. The compression types are as indicated below:
Lossless PDF Compression
This compression type re-organizes your data and stores it more effectively without compromising your document’s vital information. Lossless compression reduces the size of your file without diminishing the file’s quality.
Lossy PDF Compression
This type of compression results in the loss of quality and sometimes, lost data. Lossy compression is generally ideal for the compression of PDF files featuring multimedia data, including still images, audio, and video. Since lossy compression removes some data from the original PDF file, the resulting file occupies less space compared to the lossless-compressed PDF.
Methods of PDF Compression
Different PDF compressor software will use varying methods to achieve either the lossless or the lossy compression. The most common methods include:
Image Resizing
Images are generally inserted in PDF documents at larger sizes than necessary. By scaling down large images, the PDF resizer can target a particular resolution ideal for print and display.
Convert Images to Efficient Formats
PDF files are capable of storing inefficient image formats in them. For example, PDF documents can store images featuring CCITT Group 4 Encoding – this format is usually too large. Most PDF compressors will convert the bi-level (black and white) images to the lossless JBIG2 encoding which takes a third to a fifth of the CCITT Group 4 encoding. Also, some compressors will convert other image types to JPEG which occupies lesser space.
Adjust JPEG Image Quality
Some PDF resizers have the ability to apply further compression to images that are already in the JPEG format. This can help squeeze impressive additional space savings without causing a noticeable quality loss on the PDF document.
Remove Private Application Data
Different PDF creating applications can store information in the PDF file – this information is used when editing the PDF document. The stored information can only be used by the application that created the PDF file and is not needed when displaying the PDF file normally. Since the removal of the private app data won’t have an effect on the PDF file, most PDF compressors remove the data to save on space.
Summary
If you have been trying to compress PDF to 100kb for free, you can achieve this using some of the tools outlined in this article. Of the free PDF compressors listed in this article, PDF WIZ stands out simply because it gives you access to all the important PDF-related features for free, without the need for activation or registration.
Some of the PDF resizers outlined above are not free. However, since most do have a free trial version, you should be able to try them out before paying for them.
The PDF file format is capable of keeping the original formatting in the document no matter which platform you're working on. However, sometimes the size of a PDF file could cause inconvenience for processing, sharing, or uploading the file, Especially when it's too big.
That is why we always need an efficient tool to help us reduce the size of a PDF file.
There are indeed some efficient ways to reduce the size of a PDF file on Mac. So in this article, we're going to have a look at all possible ways for you to easily reduce PDF file size on Mac.
Now let's dive right in.
1. Using Preview to Compress PDF on Mac
To reduce the size of a PDF file on Mac, one of the easiest solutions, as well as the solution that is ignored by most people, is by using the pre-installed Preview app on your Mac computer.
Preview is a versatile media checking app in Mac OS. It is also probably one of the most frequently used apps if you process media files a lot on your computer. But little known to all is that Preview can do a lot more than just present the media file for you. It can also do a lot of simple media processing tasks like compressing a PDF file quickly.
Now, here is how to use preview to compress a PDF file on Mac.
Step 1: Open your PDF file by double clicking it. If your PDF file does not open in Preview, right click the file, and choose Open With, then Preview.
Step 2: On Preview, Click “File” in the tool bar, then click “Export”
Step 3: In the newly popped out window, find “Quartz Filter”, and then choose “Reduce File Size”.
Step 4: Now click “Save” to save your compressed PDF file.
Cons
Does not offer compressing quality options.
Can only process 1 file at a time.
2. Using an Online Tool to Compress PDF on Mac
Besides using the Preview app introduced above, you can also use an online PDF compressing tool to reduce the size of your PDF file. The biggest advantage of using an online tool to compress your PDF file is that, you don't need to download or install any additional program on your computer. Simply visit the website upload your PDF file, and you can immediately start compressing the file size.
However, the great ease of use does not make the online compressing method the best way to reduce a PDF file on Mac. Although there are so many online PDF compressing tools on the Internet, most of them have various limitations for free users.
fortunately, there are still some great online PDF compress tools like iMyFone Online PDF Compressor which have the minimal limitations. With this kind of online PDF compressor, the online compressing method could still be considered a good way to reduce a PDF file size on Mac. It's simple, it's fast, and is likely to give you a decent compressing result. Now let me show you how to do compress a PDF file on Mac with iMyFone Online PDF Compressor.
Step 1: Visit the website of iMyFone Online PDF Compressor. Step 2: Click “Choose File” to select a PDF file or drag and drop the PDF file into the box in the center to upload. Uploading the original file from a URL or cloud storage services like Google Drive, Dropbox or OneDrive is also supported.
Step 3: Then choose a PDF compressing level from “Extreme Compression”, “Less Compression” and “Medium Compression”, and then the compressing task will start immediately.
Step 4: Once the compression is finished, you can then download your compressed PDF file, save it to cloud storage service or send it via email.
Pros
Beautiful webpage design.
3 Compressing level available.
No platform limitation.
3. Using Adobe Acrobat DC to Compress PDF on Mac
Adobe Acrobat DC is a professional PDF processing tool developed by Adobe Inc. With it, you can view, create, manipulate, print, and manage files in the PDF file format quickly.
Adobe Acrobat DC features an easy to use PDF compressing tool that allows you to reduce the size of your PDF file on Mac quickly an effortlessly. The PDF compressing tool is integrated in the Optimize PDF tool in Adobe Acrobat DC. And it's very simple to use it to compress A PDF file.
Here is how you can use Adobe Acrobat DC to compress your PDF file on Mac.
Step 1: Open Adobe Acrobat DC and then open the Optimize PDF tool in “Tools center”.
Step 2: Once the optimized PDF tool is opened, select the PDF that you want to compress and import the file into the program by clicking “open”.
Step 3: After your PDF file gets opened in the optimize tool, you should be able to see a reduce file size button in the toolbar. Now click on it.
Step 4: Keep the compatible option as “Retain existing” and click “OK” to start compressing the PDF file.
Pros
Free to use.
Great compressing result.
Multiple PDF professing tools integrated.
Best Free Pdf Compression Software
4. Using a Free Program to Compress PDF on Mac
If you prefer using a simple application to reduce the size of your PDF files, then the next solution might be better than all the previously introduced solutions. Lightweight PDF is an extremely simple, yet efficient PDF compressing tool now it allows you to compress the PDF file on Mac within only a couple of seconds.
Lightweight PDF features an extremely simple user interface with an intuitive drag and drop interacting style. It requires no prior technical skills for anyone to compress A PDF file on Mac quickly.
Here is how to use lightweight PDF to reduce the size of your PDF file on Mac.
Step 1: Visit the website of the free PDF compressing tool, or directly download it form the Mac App Store.
Step 2: Launch the application, drag your PDF file into the window and the compressing would be ready to begin.
Step 3: Once the compressing is done, check the PDF file in the default folder.
Pros
Lightweight
Free to use
Cons
No customization options
No compressing level options
5. Using a Professional Paid Tool to Compress PDF on Mac
As you can see. Light with PDF it's a completely free application for compressing PDF files on Mac, and it is extremely simple and straightforward. If you need more functions or more customization options when processing your PDF files, using a free PDF compressing tool like lightweight PDF might not be the most ideal option for you. The freeware nature of this kind of application makes them less professional an multi functional then those paid tools for the same kind of task.
So if you are an advanced PDF user, then picking a good paid application to compress, or even do more tasks on your PDF files might be a better idea. This kind of applications there's not usually cost much but provide a much more optimized am professional functions to boost your working efficiency.
Now I will take PDF Expert as an example to show you how to use a paid PDF processing program to reduce the size of a PDF file on Mac.
Step 1: Download and install PDF Expert on your Mac computer.
Step 2: Go to the “File” in the upper menu-bar, and click on Reduce File Size.
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Step 3: Select the quality of the compressed file. Once done, save it by clicking “Save”, or send via Email by clicking “Share”
Pros
Great user interface.
Multiple advanced PDF processing functions like encrypt, edit, annotate, combine and more.
A free trial is available.
To Sum Up
To be honest, compressing a PDF file is not a hard task to do if you don't have many requirements for the compressing process. There are a lot of PDF compressing programs, applications, online tools, or even built in apps on a Mac operating system that can help you reduce the size of your PDF files. However, if you have the needs to compress multiple files at a time, to choose the compressing level, or to perform any other advanced tasks, then you might have to take some time to pick the best PDF compressing method for yourself. Today we introduced five different methods for you to compress a PDF file on Mac. iMyFone Online PDF Compressor is seemingly the most effective one, while others are just as practical in different scenarios. I hope one or more of them can do some favor for you and improve your working efficiency.