Live Chat
Home » Blog » Adobe PDF » Slimming Down PDFs: Expert Tips to Reduce Large File Size
Adobe PDF, PDF

Slimming Down PDFs: Expert Tips to Reduce Large File Size

Published By Mohit Jha
Tej Pratap Shukla
Approved By Tej Pratap Shukla
Published On July 14th, 2023
Reading Time 5 Minutes Reading

On a regular basis, adding multiple data in PDF files in the form of texts, images, graphics etc. makes it file size quite large. This increases the loading/opening time, posing challenges in terms of storage, transfer speed, and usability. In this case, compressing the PDF files becomes the only solution to create space and enhance the speed of sharing and accessibility. Hence, through this post, we will be explaining some of the methods that are always useful when trying to reduce large PDF file size.

Lets first understand what actually compressing or resducing the the PDF files means:

Compress or Change Size of PDF Document – What Does it Mean?

When we discuss file compressing a PDF file is the process of decreasing the file size using different techniques to reduce the amount of data which is required to represent. The intention is to remove unnecessary or redundant data without touching the visual appearance and readability of the file. Multiple techniques like Image Compression, Font Optimization, Content Removal, Data Compression, and Structural Optimization help to create space, reduce transfer times, and enhance the overall efficiency of handling and sharing files.

What are the Reasons to Reduce Large PDF File Size?

  1. Images and Graphics: PDF files having multiple High-resolution images, graphics, and photographs make the PDF file large size
  2. Fonts and Formatting: There can be multiple documents which might be using numerous font styles, sizes, and special effects. Different fonts and formatting can increase the file size.
  3. Scanned Documents: Scanning physical documents and saving them as PDF files can result in larger file sizes due to the nature of scanned images, which are often high-resolution and uncompressed.

Quick Techniques to Reduce Large PDF File Size

Adjusting minor things can help users to create space to add essential data. Here are some of the actions that a user can take.

  1. Reducing the resolution, compressing images, or converting them to more efficient file formats (such as JPEG or PNG) can significantly reduce the file size.
  2. Standardizing fonts, removing unnecessary font styles, and minimizing formatting effects can reduce the size of a PDF file. Simplifying complex layouts, eliminating overlapping elements, and minimizing white space can also contribute to size reduction.

Also Read: A Complete Solution to Organize Pages in PDF Documents

Shrink The Size of Your PDF Files Using Adobe Acrobat Pro.

Reviewing your PDF files, eliminating unwanted pages or data(embedded media, annotations, or bookmarks). This is possible when using PDF editing software. Adobe Acrobat Pro application is one of the tools which gives the option to reduce large PDF file size. However, you have to take the subscription to the tool:

1. Open the file on the Acrobat application.

2. To shirk PDF files, choose File > Compress PDF. If needed remove the unwanted pages or images.

3. Click Save after deciding where to save the file. A notification from Acrobat shows the reduction in PDF size was accomplished.

Online Free Solution Available

Adobe also provides the Compressing solution online. So, to change size of PDF document, you can also use the online free tool provided by Adobe. There you just need to upload your files that need to be reduced.

Instant Solution to reduce large PDF file size Using the Automated Tool

The finest software for minimising huge PDF file sizes is without a doubt PDF Toolbox. Users can utilise it easily because of the user-friendly UI. The programme simplifies the process of shrinking an encrypted PDF file. This ensures that the PDF file’s qualities and properties remain the same. In addition, the software makes it simple to extract photos and text files. As a result, it is a programme that has the ability to both compress and extract PDFs.

For Windows:

Download Now Purchase Now

Go through the detailed steps to Decrease Adobe PDF File Size:

1: After the download is finished, open the tool for the first time. The user will be presented with 4 options. Select “Compress” from the menu.

reduce large PDF file size


2: Clicking the Add PDF file(s)/Folder(s) button will now start the uploading procedure for PDF files.

adding the files

3: Next, choose the location of the folder where you want to save the compressed files by pressing the Browse option, and click Next.

setting the location path

4: The following step is to choose the choices for PDF file compression. Use the advanced settings, choose the page and compression choices, and then click the Next button.

using Advanced settings


5: Advanced settings are implemented when all the choices have been chosen and used. Press the Start button after seeing the files to start the procedure.

reduce large PDF file size

Also Read: Use Quick Steps to Restore Deleted PDF Files


Dealing with large PDF files can create major issues in document management, sharing, and storage. Getting familiar with the actual reasons behind inflated file sizes and applying appropriate methods can help a user to reduce large PDF file size in an efficient manner. Some common techniques like image and font optimization and removing unnecessary data can be done on the base level. Adobe Acrobat also helps to directly compress files; however, it changes that. In case, applying these techniques doesn’t work out, then there is an offline solution available which is most useful when trying to compress multiple or large PDF files.


By Mohit Jha

Mohit is a Microsoft-certified expert who has assisted thousands of clients with Outlook & Microsoft Office 365 issues. He enjoys writing on email clients as well as data migration. He is always excited about giving troubled readers the most up-to-date knowledge, explanation, and refinements.