Compress a PDF
FavoriteCompress PDF online for free. Upload your file, make it smaller in seconds, and download the new PDF. No signup needed.
Choose a file or drop it here
One PDF · up to 25 MB
Compression preset
“Smaller file” aims for a compact PDF; exact size depends on the content.
How it works
- 1
Upload your file
PDF, DOCX, or images — depending on the tool.
- 2
Process
Merge, compress, split, or convert on the server.
- 3
Download the result
PDF, JPG, or ZIP — ready to go.
Need more room?
Pro lifts daily file caps. Plus adds keyword research when you outgrow free checks.
Why people use Toolsy
Fast
You get the result in a second. No waiting in a line.
Private
Browser tools stay on your device. Uploaded files are processed and discarded with the response.
No sign-up
Open the page and start. An account is only for paid plans.
Other tools
How to compress PDF and make it smaller
Email and forms often reject a big PDF. Compress PDF shrinks the file so it fits.
Upload once. Pick screen, ebook, or printer quality. Download the smaller PDF.
Use compress PDF before you send a scan-heavy file or upload to a site with a size cap.
Good for
- Email attachments
- Online forms
- School portals
- Shared drives
Tips
- Try a lighter preset if the file is still large
- Check photos after compress PDF
- Free: 5 PDF jobs per day
- Pro removes the daily cap
Common questions
How do I compress PDF files online?
Upload your PDF, pick a size preset, then download the smaller file. No install needed.
Will compress PDF make my file hard to read?
Text usually stays clear. Big photos inside the PDF may look a bit softer after compress PDF.
Is compress PDF free to use?
Yes. Free accounts get up to 5 PDF operations per day, up to 25 MB per file.
What happens to my file after compress PDF?
We use it only to shrink the file. We do not keep it after you get the result.