Compress PDF
Reduce PDF size for email & uploads — free, private, in your browser.
Select PDF file
or drop files here
Select PDF file 1 PDF • up to 25MB • Choose quality belowHow It Works
Step 1
Upload one PDF
Step 2
Pick quality level
Step 3
Click Compress
Step 4
Download smaller PDF
Why Use This Tool?
100% Free
No signup, no watermark.
Size control
Balance quality vs size.
Email-ready
Great for smaller uploads.
Private
Stays in your browser.
Free Online PDF Compressor
Compress PDF online free with FreeConvertAll. Shrink large PDFs for sharing while keeping them readable.
Frequently Asked Questions
Yes, completely free with no signup or watermark.
You can pick High, Balanced, or Smallest. Lower size may reduce image sharpness.
No. Compression runs in your browser.