Drop your PDF files here, or browse
Max 100 MB per file • Processed 100% in your browser
🔒 100% On-Device • Zero Upload
Merge PDF
Combine multiple PDF files into a single ordered document.
Options
Processed 100% locally in your browser memory and OPFS with Web Workers.
How to use Merge PDF
- Select or drop your PDF files into the box above.
- Configure your desired options in the settings panel.
- Click Process Merge PDF to execute directly on your device.
- Download your processed document immediately.
Why PDFZento?
PDFZento executes PDF operations directly inside your browser using WebAssembly and Web Workers. Your private documents never touch external servers or third-party cloud storage.