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How to Shrink PDF Files in 3 Steps

Shrink PDF file size: to ensure you can email a large PDF file or upload it to the Internet for sharing, you need to shrink a PDF file. Learn how to shrink a PDF file in 3 steps.

Emily Xiao
Posted by Emily Xiao | @Emily Xiao | Category: PDF Editing Tips
Published: May 21,2015 10:10 am / Updated: Sep 01,2015 13:39 pm

Cannot upload a large PDF file to the Web for sharing? Or cannot email a big PDF format contract as an attachment? In daily life, if you want to upload a PDF file to the Internet and load it smoothly, you need to shrink the PDF file. There are many ways to shrink a PDF file. This article introduces 2 solutions for optimizing PDF files.

  1. Solution 01: Through Free Online PDF Optimizers
  2. Solution 02: Through PDF Optimize Software

Solution 01 Through Free Online PDF Optimizers

This part shows 3 free online PDF optimizers and displays the 3-step guide for how to shrink PDF files.

1. Docupub


  • It has easy to follow interface.
  • Everything in the page is simple straight forward.
  • Cons

  • It does not contain drag and drop feature

  • Optimizer-online

    2. veryPDF


  • It allows you to edit PDF file as well as other file documents.
  • Cons

  • There are still some minor bugs in the page.
  • It does not allow you to convert WPS files.

  • Optimizer-online

    3. PDF-online


  • It does the converting job perfectly smooth.
  • Cons

  • It has very basic design and interface.

  • Optimizer-online

    Steps for using online PDF optimizers are similar, let’s check how to shrink PDF files in 3 steps with online tools as below.

    Step 1: Input PDF

    Click the Browse button in order to find and upload the PDF file or you can choose to enter a URL if the file is located online.

    Step2: Compress PDF

    Preset Options: Look at the radio button of Preset Options, and select a compression option from the dropdown list. Custom Options: Look at the radio button of Custom Options and then select compression processes and forms for color image, monochrome image, or gray scale image.

    Step3: Click Upload and Convert button

    The converting process will start and once finished, you can then download the file.

    Solution 02 Through PDF Optimize Software

    Reducing the file size would be a frequent demand if your job involves big size files transmit a lot. So, finding a reliable PDF optimization tool would be more helpful. Plus, the quality loss issue may happen often if you use free online PDF optimize software. Wondershare PDFelement is an all-in-1 PDF solution. It not only provides all kinds of tools to edit, convert and comment PDF files, but also allows you to shrink a PDF file to be a suitable size for uploading to the Internet, using in Office, or printing. To make it easy for users to shrink a PDF file, there are 3 options for users to choose for the output PDF according to where they will be used. Follow the steps below to learn how to shrink a PDF file with Wondershare PDFelement.

    Step 1: Download Wondershare PDF Editor

    Click the download button to download the free trial version of Wondershare PDF Editor. Install it on your Windows PC and launch right away.

    DOWNLOAD Download PDFelement Secure Download

    Step 2: Shrink a PDF file

    Open the PDF file that you want to shrink with Wondershare PDF Editor. Click the File menu and choose Optimize. On the right side, you can see 4 options for Image quality. From here, you can choose one of them according to what you're going to do with the PDF file. If you don't like the preset options, please click Custom to set the settings you need.

    shrink PDF files on Windows PC
    shrink PDF files

    If you prefer to set the settings by yourself, after clicking Custom, you'll see the new window like the screenshot below.

    Step 3: Save the PDF file

    After compressing the PDF file, you should click Save As in the File menu to save this PDF file as a new copy on your computer. You'd better save it with a new name in case you will forget which copy is the original one and which is compressed the one.

    Download the free trial version of Wondershare PDF Editor to have a try right now!

    DOWNLOAD Download PDFelement Secure Download

    Check the Video Tutorial of How to Shrink PDF Files

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    How to Crop PDF

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