PDF Compressor - Free Online PDF Compression Tool

PDF Compressor

Reduce PDF file size while maintaining quality

Drag & drop a PDF file here or

About PDF Compressor

What is PDF Compressor?

PDF Compressor is an advanced tool that reduces the file size of PDF documents while maintaining readability and quality. It uses smart compression algorithms to optimize images, remove redundant data, and clean up unnecessary elements, making your PDFs more manageable for sharing and storage.

Key Features

  • Multiple compression levels for different needs
  • Smart image optimization
  • Metadata removal option
  • Client-side processing for privacy
  • Batch processing support
  • Preview compression results

Common Use Cases

File Sharing

  • • Email attachments
  • • Cloud storage optimization
  • • Website uploads
  • • Mobile sharing

Document Management

  • • Archive optimization
  • • Digital library management
  • • Storage space reduction
  • • Backup optimization

Best Practices

For Best Results:

  1. Choose appropriate compression level based on content
  2. Test compressed files before deleting originals
  3. Keep originals of important documents
  4. Use lower compression for image-heavy documents
  5. Consider file usage when selecting options

Technical Specifications

Maximum File Size 100 MB
Supported Format PDF files (.pdf)
Processing Client-side (browser-based)
Compression Ratio Up to 90% (depends on content)

Important Notes:

  • Compression results vary based on file content
  • Some PDFs may already be optimally compressed
  • Text-based PDFs typically compress better than image-heavy ones
  • Digital signatures may be affected by compression