How much can I compress a PDF?

RocketPDF can typically reduce PDF size by 40-90%, depending on the content and compression level you choose. Image-heavy PDFs see the biggest reduction.

Will compression affect the quality of my PDF?

Low compression keeps quality nearly identical to the original. Medium offers a balanced tradeoff. High compression noticeably reduces image quality but creates the smallest file.

Is PDF compression on RocketPDF free?

Yes, compressing PDFs is 100% free. No signup, no watermark, no hidden fees.

Can I compress password-protected PDFs?

You need to unlock the PDF first using our Unlock PDF tool, then you can compress it normally.

How does PDF compression work?

RocketPDF reduces file size by optimizing embedded images, removing redundant data, and applying smart compression algorithms while keeping the document readable.