PDF Tool

PDF Compress

Reduce PDF file size while maintaining quality. 100% in-browser processing — nothing is uploaded.

🔒 Your PDF is sent securely to our server, compressed, and deleted immediately.

How to use the PDF Compressor

Using this free PDF compressor is simple. Start by uploading a PDF file using the drop zone above or by clicking to select a file from your device. Once uploaded, choose your preferred compression level from the dropdown menu.

Select Low for minimal compression with the best quality, Medium for a balanced approach, or High for maximum file size reduction. Click Compress & Download PDF and your optimized PDF will be downloaded automatically.

What this PDF compressor does

  • Reduce file sizeCompress your PDF to a smaller file size for easier sharing.
  • Multiple compression levelsChoose from Low, Medium, or High compression settings.
  • Preserve qualityMaintains good visual quality while reducing file size.
  • Optimize for emailCreate smaller PDFs that are easier to email and share.
  • 100% in-browserYour file never leaves your device for complete privacy.
  • No sign-up requiredCompletely free to use with no account needed.

Tips for best results

  • For text-heavy PDFs, "High" compression works best with minimal quality loss
  • For image-heavy PDFs, "Low" compression preserves better image quality
  • If you need the smallest possible file, try "High" compression first
  • For documents with scanned images, "Medium" offers the best balance
  • Always check the compressed PDF to ensure quality meets your needs

Frequently Asked Questions