Free online PDF tool

Compress PDF Online

Reduce the file size of a PDF while choosing the output quality that suits your needs.

Compress PDF

Preview is for reference only
Drag & drop your PDF here
or click the file input above
Thumbnails will appear after selecting a PDF. (Showing first 12 pages.)
Settings
Tip: “Screen” is best for email; “Prepress” keeps most detail.

How to compress a PDF

Select a PDF, review the page previews, choose a compression quality and download the compressed document.

Simple browser-based workflow

No complicated desktop workflow is required. Choose the appropriate file, apply the available settings and download the generated result.

Tips for better results

Use a valid, readable source file and review the available options before processing. Complex layouts, damaged files and scanned content can affect output quality.

Frequently asked questions

Do I need to install software?

No. This tool runs through a modern web browser.

Will the original file be changed?

No. The tool creates a new output file and does not overwrite the original document on your device.

Can I use this tool on mobile?

Yes. The page is designed to work on supported desktop, tablet and mobile browsers.