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PDF is the best format for document storage, for it transcends the boundaries of platforms. But there is a source of worry. Documents saved in PDF could rapidly eat up hard disk space. A PDF file will get humongous as things keep being involved in. So, if some elements are considered to be unnecessary, you can remove them to reduce PDF size. It is acknowledged that a PDF does not offer the option to eliminate anything from it. But don’t worry. There is always a way. This article will give you two solid methods to reduce size of PDF by removing unwanted objects

Method 1. How to reduce PDF file size with PDF Compressor V3.

PDF Compressor V3 is a fast and handy PDF size reducer specifically for Windows users. This simple utility is utilized to delete needless items wrapped in PDFs and free up space on the hard drive or flash drive. By batch erasing what you think is useless, it will create a PDF with significantly reduced size and acceptable quality. You are allowed to erase annotations, fonts, bookmarks, attachments, unused streams and objects not referenced on all pages. What’s more, this PDF shrinking helper does not come equipped with complicated functions or settings. So even an inexperienced user would soon figure out how it works. Let’s find out how to use this program to compress your PDFs step by step.

Step 1. Download and Install PDF Compressor V3.

PDF Compressor V3 is a free piece of software. So you can free download it on your windows computers by clicking on the download button below.

This is the download button for downloading PDF Compressor V3.

Run the installer and the installing only takes a few seconds.

Step 2. Run PDF Compressor V3 and Import Files.

Launch the program through a quick-start icon. Then, a regular window with intuitive layout will jump into your sight.

Main window of PDF Compressor V3.

In the window’s upper-left corner is the “File” button.

Click on “File”> “Add File(s)” and then choose the file and open it.

"Add file(s)" button on the drop-down list of "File".

You can also click on “Add File(s)”, navigate the file and upload it.

"Add File(s)" button of PDF Compressor V3.

The most direct way to import file is to drag and drop the file onto the workspace.

Workspace of PDF Compressor V3 where files are dragged and dropped.

Tip: PDF Compressor V3 supports batch process. Therefore, you can import more than one file into the program at the same time.

Step 3. Configure Settings and Define Saving Directory.

There is a “Tools” button next to the “File” button.

Click on “Tools”, then “Settings”. You will come to the compression settings panel.

"Settings" selection in the drop-down menu of "Tools".

Clicking on the “Settings” button will produce the same result.

"Settings" button of PDF Compressor V3.

On the setting panel, go to the “Elements” tab.

If you toggle on a particular option, the corresponding function to remove the unwanted object will be activated.

After the settings, please click on “OK” to apply the settings.

"Elements" tab on the "Settings' panel.

This program allows you to choose the saving directory same as source or differet.

You can keep the default setting to save the output file in the source folder.

You also can specify a new output location through path bar or browse dialog.

Saving directory options of PDF Compressor V3.

Step 4. Start Compression.

Pressing the “Compress” button will start the compression. The process will be completed in a moment.

"Compress" button of PDF Compressor V3.

Method 2. How to Reduce PDF Size with Adobe Acrobat Pro DC.

As is known to all, Adobe Acrobat Pro DC provides you great control in handling your PDFs. This application makes it possible to decrease PDF size by discarding unused data. Below is the tutorial for how to shrink PDF with it.

There is a tool within this application named “PDF Optimizer”, This tool enables you to optimize your PDF by configuring advanced options.

First, open the PDF in Acrobat.

Second, click on “File”, then “Saved as Other” and select “Optimized PDF”.

"Optimized PDF' selection of Adobe Acrobat DC.

The “PDF Optimizer” panel will appear.

Here, “Fonts”, “Discard Objects”, “Discard User Data” and “Clean Up” are available for you to choose to wipe off various things from your PDF.

"PDF Optimizer" panel of Adobe Acrobat DC.

Fonts.

Here, you can unembed the fonts currently embedded in the PDF file.

Choose the embedded font in the left pane, click on “Unembed”, then it will move it to the right pane as one to umembed.

'Fonts" module of "PDF Optimizer".

Discard Objects.

This panel allows you to determine what objects to remove PDF. Select an object and all occurrences of that object within PDF will be removed.

In this area, you can select objects to be removed by checking the boxes.

"Discard Objects" module of Adobe Acrobat DC.

Discard User Data.

Using this function can help you remove any user information.

Check the boxes and you will have the options enabled.

"Discard Userdata" module of Adobe Acrobat DC.

Clean Up.

The options here allow you to remove obsolete items from PDF documents.

To enable a particular option, check the corresponding box.

"Clean Up" module of Adobe Acrobat DC.

When you’re finished deploying settings, click on “OK”. In the “Save Optimized As” dialog, click on “Save” to overwrite the original file or choose an output folder to create a new file.

Now, you know how to get rid of unnecessary objects from PDFs and shrink them to smallest possible size. With either of the two methods above, you can clean up your PDF documents and streamline them with only relevant information.

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