What does PDF Merger do?
PDF Merger combines multiple PDF files into one document. It is useful when you want to join reports, forms, scanned pages, or related documents into a single PDF.
Free PDF Merger: Combine PDFs Online — Processed in Your Browser
Merge multiple PDF files into one, right in your browser. Drag to reorder files, select specific page ranges from each PDF, and download the merged result instantly. All processing happens locally on your device.
Your files stay on your device for this tool. We do not intentionally collect or store file contents processed locally here.
Local processing: no file upload
Drop PDF files here or choose from your device
All processing happens locally in your browser
How to use PDF Merger
PDF Merger helps you combine multiple PDF files into one document directly in your browser. It is useful for joining forms, reports, scans, or related PDF pages while keeping the files on your device during processing. Use it when you want the PDF processing to happen inside your browser with clear controls for the merged PDF.
- 1
Open PDF Merger
Start on the PDF Merger page and keep the browser tab open while you work. The controls above are focused on producing the merged PDF from your PDF files.
- 2
Add your PDF files
Choose the PDF files you want to combine. The browser reads each PDF locally so you can prepare the merge without sending the files to a remote service.
- 3
Choose the right settings
Arrange the PDFs in the order you want and choose any available page range options before creating the final document.
- 4
Review the result
Review the selected order and page ranges before merging. A quick check helps prevent missing pages or pages in the wrong sequence. The PDF workflow stays focused on the document you selected.
- 5
Save or use the merged PDF
Download the merged PDF and open it once to confirm the combined document looks correct.
- 6
Clear private data when finished
When you are done, remove the selected PDFs or close the tab so the browser session no longer holds the files.
Why use PDF Merger on The Privacy Tools?
Use PDF Merger on The Privacy Tools when you need one PDF from several documents using local browser processing. It is a good fit for reports, scanned documents, forms, and other PDF sets you want to combine locally. Your PDF files stay on your device while the browser creates the merged PDF. There is no signup flow or account requirement, and no server-side PDF processing step for your PDF files.
Frequently Asked Questions
Are my PDF files sent to a server for processing?
No. Your PDF files are handled in your browser for the merge process. Your documents stay on your device while you arrange and combine them.
Is PDF Merger free to use?
Yes. PDF Merger is free with no signup required. You can combine PDFs directly from the page without creating an account.
Do I need to install anything to use PDF Merger?
No. PDF Merger works in your browser, so there is no desktop software or extension to install. Add your PDFs, arrange them, and download the combined file.
Can I use PDF Merger on mobile?
Yes. It works on modern mobile browsers, but selecting and reordering several PDFs is usually easier on a larger screen. For big documents, desktop devices may also be faster.
Why use PDF Merger on The Privacy Tools?
The Privacy Tools keeps common document tasks simple and privacy-first. PDF Merger lets you combine files without unnecessary tracking, account prompts, or server-side handling of your documents.
Features
Browser-Based
PDFs are merged in your browser using pdf-lib. Files are processed locally on your device and are not seen by a server-side file processor.
Drag-to-Reorder
Drag files into any order, on desktop with mouse, on mobile with touch. The merged output follows your exact arrangement.
Page Range Selection
Include only specific pages from each PDF by setting From and To page numbers. Perfect for extracting chapters or skipping unwanted pages.
Up to 20 Files
Merge up to 20 PDF files in one operation, including PDFs of different page sizes and orientations.
Instant Download
The merged PDF is generated and downloaded directly in your browser. No waiting for a server response.
Browser-Local Workflow
After the page code loads, the merge operation is designed to run locally in your browser without server-side file processing.
How Your Privacy Is Protected
PDF Mergeris built with a privacy-first architecture. Here's how file contents are handled by the browser-local workflow for this file tool.
Browser-local file processing
Your files are processed using browser APIs (Web Workers, Canvas, File API). For this tool, file contents stay on your device.
Browser-local workflow
For supported file tools, processing happens in your browser using your device's resources. Our servers do not process your file contents for these workflows.
Modern browser workflow
The tools are designed to run in modern browsers, with local processing where supported after the page code loads.
No server-side file processor
For this file-processing tool, files are read and processed by your browser rather than a server-side file processor.
Use Cases
Combining Reports & Documents
Merge monthly reports, document chapters, or sections from different authors into a single presentable PDF.
Contract & Legal Documents
Combine signed agreements, addenda, and annexures into one PDF for submission, archiving, or sending to clients.
Study & Academic Notes
Merge lecture notes, handouts, and reference PDFs into a single study guide for each course or subject.
Invoice & Receipt Bundling
Combine multiple invoices or receipts into one PDF for expense reporting, reimbursements, or tax filing.
Portfolio Compilation
Merge portfolio pieces, certificates, and a cover letter into a single professional PDF to share with employers.