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PDF Compressor

Compression Settings

10% 75% 100%

Drop your PDF file here

or click to browse and select a file

Requirements: PDF files only, max 100MB
Note: Processing happens locally in your browser

Compression Tips

Image Quality

Lower image quality settings result in smaller file sizes but may reduce visual quality.

Metadata Removal

Removing metadata and unnecessary information can reduce file size by 5-15%.

Processing Time

Larger files and higher compression levels require more processing time.

Professional PDF Compression

Reduce file sizes while maintaining quality with our advanced compression technology

100% Private & Secure

All PDF compression happens locally in your browser. Your documents never leave your device, ensuring complete privacy and security.

Smart Compression

Multiple compression levels and intelligent optimization techniques to reduce file size while preserving document quality.

Instant Results

No uploads, no waiting. Get compressed PDFs instantly with real-time progress tracking and immediate download.

Perfect for Every Use Case

From email attachments to web publishing, optimize your PDFs for any scenario

Email Attachments

Reduce PDF size to meet email attachment limits while maintaining readability and professional appearance.

Web Publishing

Optimize PDFs for faster web loading and better user experience on websites and online platforms.

Document Archives

Compress large document collections to save storage space while preserving important information.

Frequently Asked Questions

Everything you need to know about PDF compression

How much can I compress my PDF?

Compression results vary by document type. Typically, you can achieve 10-30% size reduction through metadata removal and structure optimization while maintaining quality.

Is my PDF data safe and private?

Absolutely! All compression happens locally in your browser. Your PDF files are never uploaded to our servers, ensuring complete privacy and security.

What's the difference between compression levels?

Lower levels preserve maximum quality with modest size reduction, while higher levels achieve greater compression with potential quality trade-offs. Choose based on your needs.

Can I compress password-protected PDFs?

Password-protected PDFs need to be unlocked first. Our tool works with standard, unprotected PDF files for optimal compression results.

What compression methods are used?

Our client-side compression tool uses several techniques:

  • Metadata Removal: Strips unnecessary document information
  • Structure Optimization: Reorganizes PDF structure for efficiency
  • Object Streams: Compresses PDF objects for better storage
  • Privacy First: All processing happens locally in your browser
⚠️ Important: Client-side PDF compression primarily optimizes document structure and removes metadata. Image compression, which often accounts for the largest size reductions, requires server-side processing.

Typical compression rates:
• Text-heavy PDFs: 5-20% reduction
• Image-heavy PDFs: 1-5% reduction
• Already optimized PDFs: 0-2% reduction

What file types are supported?

We support standard PDF files (.pdf) up to 100MB. The tool processes all PDF versions and maintains compatibility with PDF readers.