How to Decrease PDF Size

PDF is used by a wide variety of people, ranging from teachers, to students, business people, and others. By using this file type, users can view, store, share and edit their PDF on any device. At times, people can have difficulty in sending the large file size of a PDF document, especially when there is size limitation. Reducing the PDF file size is the best way to circumvent this. Here, we have outlined the best tools which can be used to decrease PDF size effortlessly and quickly.

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The Awesome Tools to Decrease PDF Size for Free

Apowersoft PDF Compressor

Apowersoft PDF Compressor is an advanced PDF compression software available for desktop. It is a fast and stable performer. This application helps you decrease PDF size in two modes – size and clarity. Using this program, users can compress several files at the same time using the batch compression feature. And you can set the compression level and preview how small the file will be decreased. See the steps below to learn how to decrease PDF size with Apowersoft PDF Compressor.

  • Simply Download the program and install it on your PC. After installation, run the program.


  • Hit the “Choose file” tab, or drag the files to the program.
  • Once the files are added, you can choose “Clarity priority” or “File size priority”.
  • Click “Convert” to start compressing.

  • When it finishes compressing, click the “Open Folder” button to check the compressed files.

Online PDF Compressor

An alternative option which you can use to decrease PDF size online is the Apowersoft Online PDF Compressor. This program enables users to use it on all operating systems, such as Windows, Mac, Android and iOS. It possesses a simple interface that anyone can use, even beginners. Even though it is an online tool, there are no disruptive advertisement pop-ups. Files are highly protected, since the uploaded files are automatically deleted after the compression process. As a positive, this program doesn’t leave any watermark on the compressed file. To learn more about how to use this program, follow this guide:

  • Visit the Online PDF Compressor on your device.
  • From there, click the “Click to Add PDF” icon to add PDF files to the program.
  • Once the files are uploaded, choose a compression type and then hit the “Compress” button.
    add PDF files

  • Wait until the files are compressed. Click the “Download All” button to save the files.
download compressed files

Compress PDF

If you tend to use an Android device, you can use a program called Compress PDF. Compress PDF can reduce your PDF’s file size in just a few steps. It enables users to compress unlimited PDF files using their Android device. What’s more, users can upload files from their device storage, like OneDrive, Google Drive, Dropbox and so on. Android devices which run 4.1 or above can use this application without trouble. Here is the step-by-step procedure of how to use the application:

  • First, go to the Google Play Store on your device to download the application.
  • Once downloaded, open the app, then tap the “+” icon to add a file.
    Compress PDF
  • When the file is uploaded, the app will begin compressing the file.
  • If you are using the free version, you will need to wait 1 hour to process the file. On the other hand, if you have a premium account, you only need to wait for ten seconds.


All the solutions listed above can help you to instantly reduce the file size of a PDF file. These tools have different techniques and compression features. If you value practicality and are looking for a totally free solution to your problem of how to decrease PDF size, then Apowersoft Online Compressor is the best option. This tool can be utilized on all platforms, as long as your device has a browser and is connected to the internet.

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Posted by Alice Wang on to File Compressor, PDF Solution and Tips. Last updated on March 24, 2022

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