How do I merge multiple PDFs into one document?
Select Merge mode, upload your PDF files, drag or move them into your desired order using the arrow buttons, and click "Merge PDFs into 1".
PDF Merger & Splitter
Combine multiple PDF files into a single document or split and extract specific pages with instant client-side processing.
Select or drop multiple PDF files to combine
Combine invoices, scans, reports, and books in any order
What can the PDF Merger & Splitter do?
Combine multiple PDF documents into a single file or extract custom page ranges from large PDFs directly in your browser. Rearrange pages easily with visual controls and download your finished PDF with zero watermarks.
- Merge unlimited PDF documents into one organized file
- Visual page reordering and individual file removal
- Split and extract specific page ranges (e.g. 1-3, 5, 8-10)
- 100% private in-browser document processing
- No file size caps, queues, or watermarks
How to use the PDF Merger & Splitter
- 1
Choose Merge mode to combine files or Split mode to extract pages.
- 2
Upload your PDF documents from your computer or phone.
- 3
Reorder documents or enter your desired page extraction range.
- 4
Click Merge or Extract and download your new PDF instantly.
Frequently Asked Questions
How can I extract specific pages from a PDF?
Select Split mode, upload your PDF, and enter the page numbers or ranges (such as 1-3, 5) you want to keep. The tool creates a new PDF with only those pages.
Are my sensitive PDF documents uploaded to a cloud server?
No. ToolZappy merges and splits PDFs locally inside your web browser using WebAssembly and pure client-side libraries. Your files never leave your device.
Is there a limit on how many PDFs I can merge?
No. You can merge as many documents and pages as your browser memory permits.