PDF Compressor

Reduce PDF file sizes by optimizing images, removing metadata, and restructuring the document. Perfect for email attachments, storage management, and faster sharing.

Compression Options

Drag PDF files here or click to select

Supported formats: .pdf • Maximum file size: 100MB

About PDF Compression

PDF compression reduces file sizes by optimizing images within the document, removing unnecessary metadata, and restructuring the PDF for more efficient storage. Our tool provides adjustable compression settings to balance file size reduction with document quality.

How PDF Compression Works

  • • Image optimization: Compresses embedded images to reduce quality
  • • Metadata removal: Strips author info, creation dates, and other metadata
  • • Structure optimization: Reorganizes PDF objects for efficiency
  • • Content deduplication: Removes duplicate resources and objects

Key Benefits

  • • Smaller file sizes: Reduce storage requirements by 30-70%
  • • Faster uploads: Quicker email attachments and file sharing
  • • Bandwidth savings: Reduced data transfer costs
  • • Batch processing: Compress multiple PDFs simultaneously

When to Use PDF Compression

Ideal scenarios for PDF compression:

  • • Email attachments: Most email providers have size limits (25MB or less)
  • • Web publishing: Faster page loads and better user experience
  • • Storage optimization: Reduce cloud storage and server costs
  • • Mobile sharing: Faster transfers on slower mobile connections
  • • Archive management: Long-term storage with reduced space requirements

Frequently Asked Questions

Are my PDF files safe when compressing?

Yes, absolutely! All compression happens locally in your browser using WebAssembly. No PDF files are uploaded to our servers, ensuring complete privacy and security.

How much can PDF compression reduce file sizes?

PDF compression can typically reduce file sizes by 30-70% depending on the content. PDFs with many images see the largest reductions, while text-heavy PDFs see smaller but still significant savings.

Will PDF compression affect document quality?

Our compression optimizes images within PDFs and removes unnecessary metadata while preserving text quality. You can adjust compression settings to balance file size with quality based on your needs.

What types of PDFs work best for compression?

PDFs containing images, scanned documents, and those with embedded graphics see the best compression results. Text-only PDFs will have smaller reductions but still benefit from optimization.

Technical Details

Supported Input Formats

  • • PDF (.pdf)
  • • Unencrypted documents only
  • • PDF versions 1.0 to 2.0
  • • Text and image content

Compression Features

  • • Adjustable image quality (10-100%)
  • • Optional metadata removal
  • • Structure optimization
  • • Batch processing support

Output Details

  • • Format: PDF (.pdf)
  • • Compatibility: Universal PDF readers
  • • Text: Fully preserved
  • • Images: Quality adjustable