📄 PDF Splitter Tool

Split large PDFs into 4.5MB segments - Files over 5MB are automatically discarded!

This tool uses advanced compression with qpdf to split your PDF into segments of approximately 4.5 MB each. Any segments that exceed 5 MB are automatically discarded to ensure all output files meet size requirements.

How to use:

  1. Upload your PDF file
  2. Click "Split PDF"
  3. Download the ZIP file containing only segments ≤5MB

Note: Files are automatically deleted after 10 minutes for your privacy.

Ready to process your PDF...

💡 Key Features:

  • ✅ Target segment size: 4.5MB - Optimized for most systems
  • ✅ Maximum allowed size: 5MB - Segments over 5MB are automatically discarded
  • ✅ Smart splitting - Adjusts page count per segment dynamically
  • ✅ Compressed output - Uses qpdf for efficient PDF compression
  • ✅ Automatic cleanup - Files deleted after 10 minutes
  • ✅ Progress tracking - Real-time updates during processing

🔒 Privacy & Security:

  • All uploaded files are automatically deleted after processing
  • No files are stored permanently on the server
  • Each user gets a unique session ID for file isolation

⚙️ Technical Details:

  • Uses pikepdf (qpdf wrapper) for efficient PDF manipulation
  • Maintains PDF compression without decompressing
  • Dynamically adjusts segment size based on page content
  • Automatically retries with fewer pages if segment exceeds limits