Merge PDF Files

How it works

Combine multiple PDF files into a single document. Drag and drop to reorder pages. Your PDFs are processed entirely in your browser using pdf-lib — nothing is uploaded to any server. Perfect for combining reports, contracts, and documents.

Why Moditly?

• → 100% browser-based — your files never leave your device
• → No file size limits — convert files of any size
• → No sign-up or account required
• → No watermarks, no hidden fees, no premium tier
• → Powered by FFmpeg WebAssembly — the same engine used by professional video editors