Compress PDF Online — Free & Instant
Compress PDF files to reduce size — free, instant, private.
🔒 PDF compression runs in your browser. Files never leave your device.
How to Use PDF Compressor
1
Upload your PDF
2
Choose compression level
3
Download smaller PDF
100% Private
Your files never leave your browser
Instant Processing
No upload wait time. Results in seconds
Zero Limits
No daily limits, no file count limits
Always Free
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Make PDFs Smaller
Reduce the file size of your PDF documents for easier emailing, sharing, and storing. Our compressor analyzes images and fonts within the PDF and optimizes them while maintaining readability.
Frequently Asked Questions
How much can PDFs be compressed?
Typically 30–70% size reduction, depending on the content. PDFs with large images see the biggest savings.