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Best Tool to Compress Pdf Files

The Best Tool to Compress Pdf Files online that you can use free of cost and apply this compress pdf software for free. There are many other tools available on the internet, but if you are looking for a tool that is easy to access and very fast in compressing large amount of pdf’s then Free PDF Compressor is the best option available over there. This tool helps you to compress file without altering any content or information.

Most of the people working in Office documents and they need to reduce the size of the document to save their office space. PDF is a highly compressed file and it’s best format for saving your data. If you want to reduce the size of your PDF files then you should install any software which can compress your PDF files. Here I’m going to tell you about some easy steps to compress pdf files with any software which is available in this world.

Compressing PDF files is a challenge for everyone. Even though there are so many software’s which can do it easily. But, they also come with the price tag. Which may be not possible for you to buy. However, if you’re looking to compress PDF without extra cost, then you’re in the right place.

If you need to compress pdf files, this free tool is what you need. You can choose several options by yourself, like the compression rate, or adjust basic settings of the software to get a specific result. This pdf compressor can save you time and money!

Free PDF Compressor

4Dots Free PDF Compress

4dots Free PDF Compress main window

This freeware application enables you to compress single or multiple PDFs in one fell swoop. You’re also able to compress entire folders of PDFs with just a few clicks of the mouse, even if the PDFs are password protected.

Once you’ve selected which files you want to compress (drag and drop is supported), select the location where you want the smaller files to be saved. You can overwrite the old file or save a copy. Hit Compress and the tool will do all the work for you. Our five sample PDFs took a few minutes to compress and came out 11.5MB or 29.5% smaller.

Free PDF Compressor

Free PDF Compressor file selection screen

This completely free piece of software is also extremely simple to use. Select the file you want to shrink, hit Compress, then save the smaller file.

In addition, you can choose from five levels of compression, depending on how you want to use the file:

  • Low resolution (72 dpi), ideal for screen-view only
  • Medium resolution (150 dpi), ideal for an ebook
  • High resolution (300 dpi), ideal for printing
  • Prepress (300 dpi), ideal for prepress, including color preserving
  • Default, ideal for a wide variety of uses

Our single sample file was done in less than a minute and, due to choosing the maximum compression level, came out at only 276KB, down from 11,775KB. The final image quality was perfectly fine.


IrfanView is a lightweight and feature-rich image viewer for Windows. It comes with a range of plugins that turn it into a versatile image editing tool, for example, to convert images to different file types, add watermarks to your photos, and batch process images. It also has PDF printing qualities, though not in the classic sense.

Before you can view PDF files with IrfanView, you need to install GhostScript. Then, when you attempt to Save your oversized PDF as a new and smaller PDF file, you’ll see a PDF Settings window next to your Save PDF As… dialog. Under General, you might have to set the Preview of PDF during save operation to not needed, so you can select settings immediately. Then you can adjust compression settings as seen below.

IrfanView PDF Save Options

In my test, I chose medium quality for all image types and could reduce the size of a 10 MB scanned PDF document to less than 1 MB. The result was visibly blurred, but perfectly legible.


Best for full feature PDF processing tool.


iLovePDF, as the name suggests, is a fully-featured PDF manipulation tool that takes care of editing your PDF file according to your wishes. If you want to merge or split your PDF file, iLovePDF is the tool for you. If you want to convert your PDF file, the tool is at your service.

The PDF compression software is a thing of practical magnificence, providing an easy-on-the-eye interface that compresses your file while giving you the power to determine the final quality of your file.

Steps to compress PDFs on iLovePDF:

#1) Upload PDF files from drive or computer system, you can also drag and directly drop your file in the tool.


#2) Once uploaded select a compression method

  • Less compression: Subtle compression, high quality.
  • Recommended compression: Decent quality, good compression.
  • High Compression: Heavy compression, lesser quality.
Compression level

#3) Once processed download your file in your desired folder in the system.

After uploading the file


  • Free PDF compression
  • PDF conversion
  • Split and merge PDF files
  • Organize PDF files

Verdict: If you want a tool that can do a lot more with your PDF than simple conversion, then this tool is for you. It has a beautiful interface and fantastic processing speed to give you the desired results.

Price: Free

Small PDF

Best for all-in-one easy PDF compression.

Small PDF

A small PDF is again a great full-featured PDF processing tool that offers its users more than just a good PDF compressor tool. The PDF compression tool is easy to use and extremely fast in its execution. It offers its users a 14-day free trial to try their intuitive PDF compression along with other functions. However, you have to pay a small amount to unlock its advanced features.

Features such as eSign, file conversion, desktop, and mobile app access, etc are all worthy features to have if you opt for Small PDF’s premium version.

Steps to compress PDF on Small PDF:

#1) Choose a file you want to compress from desktop or Google drive.

#2) Select the compression method to determine the final size and quality of your file.


#3) Download and save the file to the desired destination.


  • PDF compression
  • PDF conversion
  • Split and merge PDF files
  • Organize PDF files
  • Browser extension

Verdict: We will recommend Small PDF to those users who don’t mind paying a small fee to get access to all of its features. The tool does have some great features that are only unique to it. It is fast, comprehensive, and delivers results without compromising on the video’s overall quality.

Price: 14 Day Free Trial, $28.5/month for 3 seats, $45/month for 5 seats, $90/month for 10 seats.

Neevia PDFcompress (Windows)

This PDF compress tool provides much more than a simple conversion interface. It is very reliable and well suited for a variety of purposes related to PDF conversion. And it can help you remove bookmarks, text annotations, PDF forms, page labels, and more. It’s easy to use and enables you to get the most out of your PDF.

foxit reader

Ablessoft PDFCompressor (Windows)

This tool is straightforward and comes with some unique free download PDF compressor tools. It provides three different compression levels to meet your purpose. You need to upload the file, and with some clicks, you can get the reduced PDF file. It is a great compressor and a reputable one as well.

free pdf compressor

Preview (Mac)

Preview is a built-in free PDF compressor on Mac, which offers a drag and drops functionality that lets you easily drag files into the interface. With the function of “Quartz Filter”, you can reduce PDF file size and enjoy a seamless user experience. Preview is intuitive and reliable, making it a great go-to for PDF compression.

pdf compressor software free download

PDF Compressor (Online)

This is one of the best PDF compressor online free. Also, this online PDF compressor software offers various unique features that make it stand out from other similar applications and produce great results. The compression speed is breakneck, making it the to-go free tool for anyone needing a reliable compressor.

pdf compressor free download

HiPDF (Online)

HiPDF is a PDF compressor online free. It also provides a batch compression feature, but it requires subscribing and logging in. With this online PDF compression tool’s help, you can easily compress PDF files online to retain the original quality of the PDF but reduce the file size.

pdf compressor free download

Adobe Acrobat DC

Adobe Acrobat DC is the latest product by Adobe, the company that invented the PDF format. Given that Adobe invented PDF, the product is the most full-featured PDF compressor you can find. But sometimes, the abundance of features can be overwhelming.

The PDF creator comes with a full range of functionalities, but that comes with a price. Adobe Acrobat is on the pricier end of the spectrum. You get professional-level tools for viewing, editing, managing, creating, and converting PDF files.

The software has an intuitive design, and some say it is easy to use. But there are two sides to the story. Many users complain about the complexity of the product. As for unique features, Adobe can help you customize your toolbars. You can dock them and set them any way you like. For example, you can hide functions you do not need, and make the product simpler. Another standout feature is the touch-enabled functionality. This allows you to get easy access to mobile platforms.

pdf compressor software

ProsGreat for completing government forms. Ability to customize toolbars. Touch-enabled functionality. Highly versatile software.

ConsSearch function can be challenging. For graphic changes, you might need to go to the original document. Can be overwhelming with features. High price tag.

Easy Usage Guide for PDF Compressor

Anyone can use the compression tool due to the short and easy procedure of compression of PDF files.

1. Select several PDF files and upload them to the PDF Compressor. Use the “Add” button or drag your files to the file box.

2. Set compression ratio and DPI values for your PDF files (DPI value is not required for text PDF files)

3. Pick the output storage location for the compressed files from the following folders— Original, Customize, and Overwrite. (selection of Overwrite Original option replaces the real PDF file with compressed files)

4. Start the compression process for your batch of PDF files by pressing the “Start” button.

BONUS TOOL = Best PDF Management Program

Since you’re here, we would like to introduce you to a new entrant in the category of Best PDF Reading & Management Tools of 2022. Meet Advanced PDF Manager, designed and developed by Tweaking Technologies, a top-notch solution to open, view, read, create, rotate, rearrange, protect, and duplicate PDF pages. The application is also equipped with a fantastic PDF Splitter, that allows users to extract specific pages from large PDF, making it a hassle-free process to share it online.

Using the tool, one can easily merge multiple PDFs into one, according to their needs and preferences.

7 easy & advanced ways to reduce PDF size

Here are 7 different methods you can use to compress a PDF, we’ll go through each of them below:

  1. Use “Save As” instead of “Save.”
  2. Export PDF files with a dedicated PDF editor.
  3. Use a PDF compressor to reduce file size.
  4. Audit the space usage of your PDF document.
  5. Use your PDF editor’s advanced optimization settings.
  6. Remove unwanted objects in your PDF document.
  7. Compress the images in your PDF file.

You can use as many of these methods as you want.


This post is the result of my own experience with the best tool to compress pdf files, and it will show you what I found in a quick and efficient manner. It is focused on finding a tool which would combine the best quality and fast saving speed. In other words, what you need to know is how to find a PDF compressor in one place instead of having to waste time looking for them all over the web.

It is really surprising if you are still using the basic tools for compressing files, such as Winrar and Winzip. With the development of technology, there are many effective tools for compressing documents, photos and other data. Among them, a PDF compressor tool does a good job in compression, no matter is it for commercial or personal use.

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