How to Reduce PDF File Size

Compress PDF File

Thinking about doing something about the large sized PDF files? People often ask the question how they can reduce the PDF file size. If you can reduce the file size of a PDF file, you can send them through email as attachment very easily. Large files take long to upload especially when your Internet connection is slow. In addition, there are many other benefits of reducing the PDF file size such as it saves your disk space.

Compress PDF Files

Now we will talk about some simple and easy ways which you can use to shrink the PDF file size.

Have you heard about an online tool named This is a very useful tool you can use to reduce the file size of your PDF files making it easy for you to store them on your computer or USB. This is the most commonly used site by users worldwide. is a very user-friendly tool and anyone can use it anywhere. Simply drag the PDF file you want to shrink and drop it to the particular space you see on the site.


Compress PDF with

PDF Compressor

Another tool you can use to shrink your PDF files is The best thing about PDF Compressor is that it supports most of the Windows versions such as XP, Vista, 7 and 8. You can use PDF Compressor to get the best results. Some people ask why PDF Compressor? Well, there are many reasons to use PDF Compressor.

PDF Compressor is recommended if you are looking for a tool that supports lose-less compression. It means that PDF Compressor will not shrink the file size at the cost of quality of the content. You don’t have to worry about the quality of the content when using PDF Compressor.

OS X PDF Filter

  • Mac users don’t need a third party app or some kind of tool to reduce the size of a PDF file. It is because they can use the built-in Preview app for the same purpose. You will start things by opening the PDF file you want to reduce the size of in Preview. Mac users know that PDF files are by default set to open in Preview if they haven’t installed a PDF viewer.
  • Next, click on File and then select “Export” from the File menu.
  • You should see a dialog box on your screen. Click Quartz Filter drop-down arrow and choose to Reduce File Size.
  • Click the Save button.
  • Remove values from Image Sampling and enter a value for Resolution. 72 pixels per inch will shrink the size of your PDF significantly in case you need the PDF to view on a computer.

Print to Adobe PDF

Have you ever heard about printing the PDF document to a PDF file? You must be thinking what kind of question this is. You simply have to open the PDF file you want to shrink in Adobe Reader and print it to the Adobe PDF printer. You must try this trick and you will surely find it very useful. Click File then select Print and then select Adobe PDF from the drop down list of printers.

This is a simple trick to shrink the PDF file size and not many people know about it.

Adobe Acrobat PDF Optimizer

Launch Adobe Acrobat, go to the Advanced menu and select PDF Optimizer. If you don’t see this option it means you are using Adobe Acrobat 6 or lower. You can find this option only in Adobe Acrobat 7.

Next, you will see the PDF Optimizer window containing a lot of options. You will see “Audit Space Usage” button at the top right side of PDF Optimizer window. Click the button to see how much space different components of the PDF file are using. It will give you some idea about what you can do to shrink the PDF file size. On the lower left side of the PDF Optimizer window, you will see six items. It shows what you can do with different items to save space. You can do things like discarding objects, adjusting fonts, downscaling images to get the desired PDF file size.

For instance, click the Images tab on PDF Optimizer window. Here, you can save space by compressing and downsampling the images. When high-resolution images are downsampled or compressed it results in significant reduction in file size. You will see the Scanned Pages tab in the six items discussed above. Click the tab. Scan some pages into your PDF and then click on the Scanned Pages option and play around with the sliding bar. Make the adjustment as required. The Discard Objects and Discard User Data are great options you can use to shrink your PDF file. Click the Discard Objects tab on the PDF Optimizer page. In the Discard Objects, you can easily get rid of the unnecessary things stored in your PDF file such as tags, flatten form fields and much more. The Clean Up tab is used when you want to compress the entire PDF file.

You should use all the six tabs. Just play around with settings and you will know what to do in order to reduce the file size of any PDF file. Keep using this tool to shrink the PDF file size and you will know how to reduce any PDF file to the desired size.

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