PDF Compressor

Reduce PDF file size using object stream consolidation. Runs entirely in your browser.

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Drop a PDF here or click to browse

PDF files only

Upload a PDF to get started.

About This Tool

How to Use
  1. Upload a PDF file by clicking the upload area or dragging and dropping
  2. Select a compression preset: Low, Medium, or High
  3. Click Compress to process the file
  4. Review the original vs compressed file size and savings percentage
  5. Download the compressed PDF
Common Use Cases
  • Reducing PDF size before emailing attachments
  • Shrinking scanned documents for easier sharing
  • Optimizing PDFs for web upload size limits
  • Archiving large document collections more efficiently
Tips & Tricks
  • Results vary by PDF content — text-heavy PDFs compress better than image-heavy ones
  • The High preset uses object streams for maximum savings
  • If the compressed file is larger than the original, your PDF is already optimized

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