Compress PDF
Make a large PDF small enough to email or upload. Reduce the file size while keeping your document clear and readable. Free, no signup, no watermark.
How to compress a PDF
- 1
Open your PDF
Open the editor and load the PDF you want to shrink.
- 2
Compress it
Reduce the file size — images are optimised while your text stays sharp.
- 3
Download the smaller file
Save the compressed PDF, ready to email or upload anywhere.
Why use it
Smaller, still sharp
Cut the file size for email and upload limits while keeping the document readable.
Beat upload limits
Get under portal and email size caps without splitting your document.
No signup, no watermark
Compress and download free with nothing added to your pages.
Frequently asked questions
Is compressing a PDF free?
Yes — compress and download free, with no signup and no watermark.
Will the quality drop?
Images are optimised but text stays crisp, so the document remains clear and readable.
Why is my PDF so large?
Usually high-resolution photos or scans. Compressing re-encodes those to shrink the file.
Does it work on mobile?
Yes. It runs in the browser on any device — nothing to install.
More pdf tools
See all pdf tools →Compress PDF, free
Make a large PDF small enough to email or upload. Reduce the file size while keeping your document clear and readable. Free, no signup, no watermark.
Compress a PDF now