PDF Compress - Free Online Tool
Reduce PDF file size online for free. Compress PDF files in your browser without uploading to servers.
Drop PDF file here or click to upload
Single PDF file
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Compressed
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Free Online PDF Compressor
Reduce your PDF file size without losing quality. Our tool re-optimizes the PDF internal structure, removing unused objects and metadata. Works entirely in your browser — no file uploads needed.
Benefits of Compressing PDFs
- Faster email delivery — meet attachment size limits
- Save storage space — reduce PDF sizes by 10-40%
- Quick website downloads — smaller PDFs load faster
- Easier sharing — compressed files transfer quicker
Frequently Asked Questions
How does PDF compression work?
Our tool re-processes your PDF, removing unused objects, redundant metadata, and optimizing the internal structure. This typically reduces file size by 10-40%.
Will compression reduce image quality?
Basic compression preserves all image quality. It removes unused data and optimizes structure without altering visible content.
What size reduction can I expect?
Most PDFs see 10-40% reduction. Documents with lots of metadata or unused objects may see up to 60%.