🎉 Welcome to pdf-converter.ai! Your voice matters! Share your experience and win free trail times!

Free PDF Compressor Online lossless

PDF compression - Same PDF quality with smaller PDF size

PDF icon

Compress a PDF File- it's free

or drop files here

White line

How to Reduce PDF File Size in Seconds

1. Click Upload your files to import the PDF file to be compressed. You can also import PDF from Google Drive and Dropbox or drag PDF directly into the specified area of the page.

2. Next, you can preview the imported PDF file, including name, size and so on. Then set the PDF compression level according to your needs and click the Compress PDF button.

3. After the PDF compression is successful, PDF Converter's PDF compression tool will automatically help you download and save the compressed PDF in the local.

Solutions for All Your PDF Problem

Wanna deal with PDF File online and effortlessly, try these free PDF tools below right now with just a few clicks!

Why Choose Our PDF Compressor Online

Compared to other online tool to condense PDF file size, we are widely welcomed and trusted.

Flexible Custom Settings

Flexible Custom Settings

Our PDF compression tool allows you to customize the level of PDF file compression, and you can preview the imported PDF before compression.

Lossless & Fast PDF Compression

Lossless & Fast PDF Compression

Free PDF Compressor online can reduce the size of PDF files under the premise of ensuring PDF quality, allowing you to quickly compress multiple PDF files with one click.

Easy & User-Friendly

Easy & User-Friendly

Easy to use steps, user-friendly interface. Even if you are a beginner, you can easily learn how to compress PDF with this free online PDF compressor.

Free & Unlimited

Free & Unlimited

Our PDF size reducer will give you the number of free uses per day. You can decrease PDF size for free and without any restrictions with this free online PDF size reduction tool.

Multiple Devices

Multiple Devices & Systems

As an online PDF compression website, no matter what system or device you use, as long as it can be connected to the Internet and open a browser, you can shrink PDF file size with it.

Safe Environment

Safe Environment

PDF Compressor does not have any ads on the page and does not put you at risk of spamming links. At the same time, the tool is dedicated to keeping your information and data safe.

Frequently Asked Questions

Question 1. What is a PDF file?

Question 2. Why compress PDF files?

Question 3. Is PDF Compressor free?

Question 4. Does PDF Converter have any other functions besides compressing PDF files?

Question 5. Is PDF Converter safe to use?

Start Your Trail for This Free PDF File Converter Online

Make PDF smaller online with PDF Converter much easier!