How to Compress PDF File Size in Bulk? 7 Best Techniques

Mark Regan
Published: April 19th, 2024 • 5 Min Read

Learn how to efficiently compress PDF file size without losing quality. Discover top 7 expert tips and techniques to reduce PDF file size effortlessly.

In today’s world, managing file sizes is important. Large size PDF files can be problematic whether you are sharing information, storing data in a computer or creating presentations, reports or portfolios.

So how do I compress PDF file size? We know you have wasted so much of your time in finding the one-stop solution for this query. Once you search “how to reduce PDF file size” you get thousands of results but still you are unable to find which can provide you the actual solution.

However, to overcome such challenges and difficulties in optimizing the size of PDF files while maintaining their quality, we have provided top 7 easy ways with step-by-step procedure whether you are looking for a free, online or offline solution. Let’s dive in!

Importance of Reducing PDF File Size?

There are numerous benefits of compressing PDF file size

  • Faster Upload and Download Times: Smaller file sizes translate to quicker upload and download speeds, enhancing efficiency in digital workflows.
  • Optimized Storage: Compressed PDFs occupy less disk space, allowing for better utilization of storage resources.
  • Improved Sharing: Compress PDF file size to make it easier to share PDFs via email, messaging platforms, or cloud storage services.
  • Enhanced Accessibility: Compact PDF files are more accessible to users with limited bandwidth or storage capacity.

Best Practices to Effectively Compress PDF File Size

You can perform several techniques to optimize or reduce PDF file size. Find below the top methods with step-by-step process:

1. Use Adobe Acrobat to Optimize PDF File Size

  1. Simply Open the Adobe Acrobat tool to compress PDF file size.
  2. Click on Select a File button.
  3. Navigate and select the PDF file and click Open button.
  4. Select compression level from – High, Medium, Low.
  5. Click the Compress button to initiate.
  6. Now click on the Download button and save the compressed PDF file on your computer.

2. Use Microsoft Word to Reduce PDF File Size

  1. Navigate to the PDF size for which you want to reduce size.
  2. Right click on it and select Open with option.
  3. Choose MS Word and open the PDF file with it.
  4. After opening the PDF file here, go to File tab to optimize PDF file size.
  5. Click Save As option and select PDF in file type.
  6. Look for the Optimize For option at the bottom of the page.
  7. Select Minimum Size (Publishing online) option.
  8. Now click on the Save button to optimize PDF file size.

3. Save PDF as ZIP File to Reduce its Size

  1. Go to the PDF file location on your computer to reduce PDF file size.
  2. Right click on it to open the menu to compress PDF file size.
  3. Find Send to option from the box in the bottom.
  4. Click on “Compressed (zipped) folder.”

4. Remove Unnecessary Information From PDF File

  1. Open PDF file in any application such as MS Word.
  2. Select and remove the information you don’t require.
  3. Now save the PDF file to compress PDF file size.

5. Remove Images From PDF File to Reduce Size

  1. Just like the above method, open the PDF file in any application that supports it.
  2. Select the images and hit the Delete button.
  3. Go to File> Save As> Click Save button.

Limitations of Above Method:

  • Users will lose the quality and originality of your PDF file.
  • Cannot reduce size of bulk PDF file, hence you need to repeat the process for each file.
  • Lengthy, time-consuming and slow process.

6. All-In-One Solution to Compress PDF File Size

If you are looking for the one-stop solution that reduces the size of all your PDF files while maintaining its quality then you should use, PDF Buddy Software offered by the well known company BitRecover. Better than using the manual solutions to reduce PDF file size, you should use this professional solution to save your time, ensure security of your PDF data and maintain its quality.

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Here’s how the tool works:

  1. Open the Bitrecover PDF file compressor tool to compress PDF file size.
    start PDF compressor tool
  2. Add multiple PDF files or folders, all at once.
    add PDF files or folders
  3. Compress PDF files selectively by selecting the required folders.
    select required PDF folders
  4. Choose the path where you want to save PDF file after compression.
    organize PDF file size
  5. Select the option “Optimize, Reduce or Compress PDF Size.compress PDF files in bulk
  6. Hit Start to Reduce the size of bulk PDF files at once.
    reduce PDF file size

7. Optimize PDF File Size by Splitting Them

  1. Start PDF Split Tool on your PC.
  2. Add PDF files or folder in batch to compress PDF file size by breaking them.
  3. Select Split options and Hit Split button.


This comprehensive guide outlined top 7 methods to compress PDF file size without losing quality. Choose the right method which suits your needs and effortlessly reduce PDF file size. For more queries, you can read the FAQs given below.


1. How do I determine PDF file size?

  1. Open the PDF file in Adobe Acrobat.
  2. Click on File> Select Properties.
  3. You can see the file size of your PDF file in “Document Properties Description”.

2. Can I Compress multiple PDF files simultaneously?

Yes! The Bitrecover PDF Compressor tool we mentioned in the article can easily compress PDF file size in bulk within a few clicks.