Compress PDF
Shrink a PDF — best for scanned or image-heavy files.
Free · runs in your browser
Drop your PDF hereor click to choose a fileChoose file
Use Compress PDF online to shrink a PDF — best for scanned or image-heavy files — just add your PDF and download the result.
How to compress pdf
- Upload your PDF. Drag and drop your PDF onto the Compress PDF page, or click to browse and select it.
- Set your options. Adjust the available settings so Compress PDF produces exactly the result you need.
- Download the result. Everything runs in your browser; your finished file downloads instantly.
Frequently asked questions
Is Compress PDF free?
Yes. Compress PDF is completely free to use, with no sign-up, no watermarks, and no limits on how often you use it.
Is it safe to use Compress PDF?
Yes. Compress PDF runs entirely in your browser, so your PDF is processed on your own device and isn’t uploaded to a server.
Do I need to install anything or create an account?
No. Compress PDF works in any modern web browser — there’s nothing to download and no account required.
What files can I use with Compress PDF?
Compress PDF accepts PDFs. Files up to 100 MB are supported.