Merge PDF
Combine multiple PDF files into one
What is Merge PDF?
PDF Merge combines multiple PDF files into a single document. Files are processed entirely in your browser — no uploading to any server. Your documents stay private.
When to use this tool
- Combining multiple contracts into one file
- Merging chapters of a report
- Consolidating invoices or receipts
- Combining scanned document pages
How it works
Uses pdf-lib (a pure JavaScript PDF library) to parse each input PDF, extract all pages, and append them sequentially into a new PDF document. The entire process runs in your browser using WebAssembly.
Security Guidelines
- Files are processed locally — never uploaded to any server
- Metadata from original files is preserved
- Bookmarks and annotations are preserved during merge
About Merge PDF
Combine multiple PDF files into one It runs entirely in your browser — no files are uploaded to any server, ensuring complete privacy and instant results.
- •Merge, split, and rotate PDF pages
- •Add watermarks and page numbers
- •Convert PDFs to text or Markdown
- •Sign and protect PDFs with passwords
Last updated: 2025-01-15
FAQ
Combine multiple PDF files into one
Yes, completely free. No signup required.
Yes. Runs entirely in your browser, no files uploaded.
Yes, works on any device with a modern browser.
No, everything runs in your browser.