10 Best Free Online PDF Compressor in 2020

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Written By Larious

Larious is the Executive Editor of LowkeyTech. He is a tech enthusiast and a content writer. 





Last Updated on March 29, 2021 by Larious

Well, PDFs serves as one of the most secure ways to share documents online. The file format is now widely used by businesses and individuals all over the world. The great thing about PDF is that it doesn’t let you modify the data stored in it.

Most of the file-sharing websites that you use today support PDF; however, they often have PDF file size restriction that doesn’t allow users to upload a PDF with a file size more than a specific limit. Since the PDF files can’t be edited without proper tools, there’s only one option left – to compress the PDF file.

Also Read: How to Edit PDF Files for Free

List of 10 Best Online PDF Compressors

So, in this guide, we have decided to share some of the best websites that you can use to compress PDF files. Below, we are going to share some of the best websites to compress PDF online. Most of the websites were free to use, but they are ad-supported. So, let’s check out.

1. IlovePDF


Well, it’s a website that has every tool you need to work with PDFs in one place. The website can be used to merge, split, compress, and convert PDF files. To compress a PDF file, you just need to upload the PDF file and click on the ‘Compress’ button. The web app will reduce the file size without affecting the PDF quality.

2. SmallPDF


Well, SmallPDF is another best PDF website on the list from where you can compress PDF files. The site lets you reduce the size of your PDF without losing its quality. Apart from compressing, SmallPDF can also convert your PDF file to various other formats like PPT, JPG, EXCEL, Word, etc.

3. PDF Compressor

PDF CompressorPDF Compressor

If you are searching for an easy to use online PDF compressor, then PDF Compressor might be the best pick for you. The site lets you compress PDF files for publishing on web pages, sharing in social networks, or sending by email. You just need to upload the PDF file on the PDF Compressor and hit the compress button. Apart from compressing, PDF Compressor can also be used to convert and combine PDF files.



This is another best online PDF compression tool that you can use right now. With PDF2GO, you can quickly reduce the PDF file size. The web tool offers you two different forms of compression – Basic and Strong. The Basic one gives medium file size and high quality, whereas the Strong Compression gives a smaller file size and medium quality. Apart from the compression, PDF2GO can be used to split, merge, and convert PDF files.

5. SodaPDF


Well, SodaPDF is by far the best online PDF compression tool that you can use today. It uses some advanced techniques to reduce the PDF file size without compromising its quality. It also has an advanced compressor option where you can set the compression level. The tool is free to use, and it’s the best online PDF compressor tool in 2020 that you can use today.

6. Docupub


If you are searching for an easy to use the website to reduce the size of large PDF documents, then you need to give Docupub a try. Guess what? Docupub gives you full control to compress a PDF file. For instance, you can choose compression levels for the images, gray images, mono images, compression type, etc.

7. AvePDF


AvePDF is one of the best and easy to use the website to compress PDF files online. To compress a PDF file, you just need to drag and drop your PDF files from the computer. It lets you choose the compression quality beforehand. You can choose the compression level from low to very high. AvePDF also offers PDF splitter, PDF merger, PDF converting options.

8. Wecompress


With Wecompress, you can compress PDF, Powerpoint, Word, Excel, JPEG, PNG, TIFF files online. Compared to other online file compressors, Wecompress is pretty fast and easy to use. The web-based service is right now used by millions of users to get their compression stuffs done.

9. EasePDF


EasePDF is a free web-based PDF service that doesn’t require any registration. The good thing about EasePDF is that it allows you to select the mode before reducing the PDF file sizes. It offers three different modes of compression.

10. PDFCandy


If you are looking for a safe and easy to use web app to compress your PDF files, then PDFCandy might be the best pick for you. PDFCandy is completely free to use and it can be used to reduce the sizes of PDF files. Apart from compressing, it also lets you split PDF, crop PDF, convert PDF files, etc.

So, these are the ten best websites to Compress PDF files in 2020. I hope this article helped you! Share it with your friends also.


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