PDF (Portable Document Format) is one of the most commonly used file format to share documents. In many situations, you may need to compress your PDF files to smaller size. So, how to compress PDF files? There are few softwares available in the web world to compress PDF documents but with an online utility to compress PDF files you don't need to install any kind of software.

Follow the steps below to compress your PDF file.

1. First of all go to http://www.smallpdf.com
2. Now click on Compress PDF option.
3. Click choose file and upload the PDF file you want to compress.
4. Once the job is done, the link to download the compressed PDF document will appear.
5. The size of the compressed file also will be given there.
6. Now download compressed copy of your PDF file. That's all.

Compressing PDF file online is very easy and I hope you found this post useful. Don't hesitate to leave comments in case of any kind of doubts and enquiries. If you want to convert any file to PDF or vice versa then see my another post here.