Compress PDF Online

Reduce the size of PDF files for free in your browser. Optimize and download the compressed PDF instantly.

Select a PDF to optimize and reduce size. The processing is local to your browser.

Quick demo: how to use this tool

Select the PDF file to optimize.
Press compress and wait a few seconds.
Download the reduced PDF; everything is processed in your browser.

About Compress PDF Online

Reduce the size of PDF files for free in your browser. Optimize and download the compressed PDF instantly. Compress PDF Online is a free tool from the RoviDev Utilities category. It works online from the browser, without installations or registration, to solve your task in seconds.

How to use Compress PDF Online

Drag your PDF file or click to select it from your device.
Choose the compression level if the tool allows it.
Download the optimized PDF. Processing runs in your browser; the file is not uploaded to servers.

Frequently asked questions

What is Compress PDF Online for?

Reduce the size of PDF files for free in your browser. Optimize and download the compressed PDF instantly. You just have to enter the data and you get the result instantly, without leaving the page.

Are the data I enter saved?

No. The calculation is done in your browser; We do not send or store your data on any server.

Can I use it from my mobile?

Yes. The tool is responsive and works on mobile, tablet and computer from any browser.

Do I need to install something or register?

No. It works online from the browser, without installations or registration.