How to Reduce Size of PDF File [Ultimate Guide]

This tutorial will show you How to reduce the size of PDF file without using or installing any software. This method is totally free, and you don’t have to pay any amount for this. It is a straightforward method that a student of 5th grade will also be able to understand and implement it.

Let’s get started.

PDF means “Portable Document Format,” and it was invented for a comfortable and convenient sharing of files. It was developed by Adobe in the 1990s.

It is mostly used when the publisher or author don’t want his document to be edited. A PDF file can contain rich text, links, and images, etc.

I think that’s enough.

How to reduce the size of a PDF file [3 Ways]

The main question is How to reduce the size of a pdf file.

So, below I am sharing a method by which you can compress or decrease the size of a pdf file without installing or using any software in your device.

Reduce Size of PDF File By Online Tools

We can use different online tools to reduce the size of PDF files. Follow the steps below and compress your PDF files:

  1. Go to

In this tutorial, we will be using this online tool “IlovePdf ” to shrink or reduce the size of PDF File. So first of all, go to The site will look like this: - compress pdf easily

2. Select the PDF file

Now, select the file from your pc which you want to compress. In this tutorial, we have used a file of 6.36 MB (Megabytes).

How to reduce size of pdf file

3. Upload the PDF file to ILOVEPDF

Get back to the IlovePDf & upload the PDF file here.

how to reduce size of pdf file

4. Select Compression Level

Now, you will see three scales of compressions:

  1. Less Compression
    This means that the tool will try to maintain quality instead of size. So, you should not expect good compression if you are using this option.
  2. Recommend Compression
    This is the recommended option which means that compression and quality both will be balanced. So that’s supported.
  3. Extreme Compression
    This will be useful when you want a lot of decrease in file size. If you wish so, then you are good to go with this option.

Now, you know about all the scales, and it’s your choice to select the desired scale and then click on “COMPRESS PDF.”

how to reduce size of pdf file

5. Wait for sometime

Now the tool will start uploading the file and compressing it. This process can take time depending on the size of your PDF file.

The bigger sized file will need more time.

During this process, you will see the screen like this:

how to reduce size of pdf file

6. Download the compressed PDF file

After that the above process completes, the compressed pdf file will automatically start to download. But it won’t then click on the big Download button there.

how to reduce size of pdf file

At this screen, the tool will also show you how much percent (%) of the file is compressed.

As you can see, the data has been reduced to 5.42 MB from 6.37 MB.

7. Results

Now, it’s time to compare the results between the original PDF file & the compressed one.

how to reduce size of pdf file

As you can see, this tool has reduced approximately 1 MB of the original file size.

You might be thinking that this is no that much but the reason is behind that is the file I used in this tutorial was already compressed.

Other Websites to reduce the size of PDF file

Following are the sites which you can use to compress the pdf files:

  • SmallPDF
  • Online2PDF
  • PDF2go
  • SodaPDF

In case, is not available, you can use all the above websites to reduce the size of PDF file.

Thanks, me later! Hihihi

Some Tricks to Reduce Size of PDF File

Compress PDF

Below, I am sharing some valuable tricks which may help you in compressing PDF files.

1. Compress Images while creating PDF Files

The best practice is to compress images before adding them into your PDF files.

You can use several online tools which can compress your images up to 90% without losing quality.

Following are some online tools for compressing images without losing quality and size:

You can also use some software to compress images without losing any quality.

Below are mentioned some of them:

Also, check my previous post on Downloading Shutterstock Images for Free without Watermarks.

2. Reduce Size of PDF File with FILEminimizer PDF

FILEminimizer is free software for windows which can help you compress PDF files. This is beneficial software and is available free.

Below are the steps to reduce the size of PDF File with FILEminimizer PDF:

  1. Download & Install the software.
  2. Open the software and click “continue testing.”
  3. Now the functional layout of the software will appear.
  4. Click on Optimize PDF.
  5. Now select the file.
  6. Now, it will ask you for confirmation. Click on Yes.
  7. It will take about 3-5 seconds for the process to complete.
  8. After compression, you will see a compressed file same in the folder where the original file is placed.

Download FILEminimizer PDF from here


This was all about reducing the file size of PDF files. The first method can be applied to several websites available on the internet.

Moreover, you can choose the process you liked and found comfortable.

Try these unique methods to reduce size of PDF files & let me know if they work for you or not?

Leave your feedback in the comments section below & also do let me know if you have any questions for me.

Originally posted 2019-03-09 07:32:27.

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