How to Merge PDF in one PDF – User Guide

Combine multiple PDFs into one document in seconds

How to Use

1. Add PDF Files
   • Click “Upload PDFs” or drag & drop files
   • Supports: PDFs (max 100MB each)
   • See live preview of all uploaded pages
2. Arrange Documents
   • Drag & drop files to reorder
   • Use ▲/▼ buttons to adjust position
   • Delete unwanted files with the ❌ icon
3. Merge Options
   • Page Range: Merge all pages or select specific ones
   • Rotation: Fix upside-down pages
   • Compression: Reduce final file size (Low/Medium/High)
4. Generate & Download
   • Click “Merge PDFs” (processes in 5-10 seconds)
   • Auto-downloads as: merged_[date].pdf
   • Optional: Email the merged PDF

Key Features

✔ Unlimited Merging: Combine 100+ PDFs at once
✔ Smart Sorting: Intuitive page management
✔ Quality Retention: No quality loss in standard mode
✔ Secure: Files never leave your browser

Technical Specs

• Max Total Size: 500MB per session
• Output Formats: PDF/A (archival quality available)
• Page Limit: Up to 1,000 pages
• Compatibility: Works on all modern browsers

Pro Tips

🔹 Need to merge scans? Enable “Auto-Rotate” for perfect alignment
🔹 Creating reports? Use “Add Separators” between documents
🔹 For legal docs: Select “PDF/A” for long-term preservation