Compress PDF Online
Reduce PDF file size with adjustable quality controls. Private browser-based processing with no uploads.
No file selected
Quality80%
Lower quality means smaller file size.
Render DPI144
Lower DPI compresses more aggressively.
No UploadsAdjustable QualityPrivate
How to compress a PDF
1
Select PDF
Choose your PDF file
2
Set Quality
Adjust quality and DPI
3
Compress
Run PDF compression
4
Download
Get smaller PDF
FAQ
How does PDF compression work?
This tool recompresses PDF pages with adjustable quality and DPI settings to reduce file size. Lower settings produce smaller files.
Are my PDF files uploaded?
No. Compression runs in your browser, so files stay on your device.
Can compression reduce quality?
Yes. PDF compression balances quality and file size. You can tune quality and DPI before export.