Images inside the PDF are recompressed and unnecessary data is removed. High gives the smallest file, low the best quality.
How to use Compress PDF
- Select your file or drag it into the box above.
- Choose the settings and click "Compress PDF".
- Download your file when it's ready. Files are deleted from our server automatically within 2 hours.
Frequently asked questions
Does PDF compression reduce quality?
Image quality may change depending on the compression level. Start with low compression if quality matters. Already compressed PDFs and text-heavy documents may show little size reduction.
Is Compress PDF free?
Yes. Compress PDF is free and requires no registration. The ads on this site keep the service free.
Are my files safe?
Your files are uploaded over an encrypted connection, used only for the task you requested, and permanently deleted automatically within 2 hours. We never share your files.
Is there a file size limit?
You can upload up to 200 MB at a time.