PDF Compress

Compress PDF files to reduce file size. Re-export PDFs at adjustable quality to achieve smaller file sizes. 100% client-side -- your files never leave your browser.

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Drop a PDF file here or click to upload

PDF files only

How to Compress a PDF

  1. Upload a PDF file using the drop zone or file picker.
  2. View the file analysis and adjust compression quality and render scale.
  3. Click "Compress PDF" to re-export at lower quality.
  4. Download the compressed PDF file.

How It Works

This tool renders each PDF page to a canvas and re-exports it as a JPEG-compressed PDF. This is most effective for image-heavy PDFs. Text-only PDFs may not see significant size reduction. Adjust the quality slider lower for more compression, or increase the render scale for better visual quality.

Features

  • Adjustable JPEG quality (10% to 100%)
  • Adjustable render scale for quality vs size tradeoff
  • PDF file analysis showing page count and content type
  • Side-by-side size comparison with reduction percentage
  • 100% client-side processing -- files never leave your device
  • No sign-up, no watermarks, completely free

Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.