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Merge PDF Files

Combine multiple PDF files into one document. Drag to reorder. No upload to server — everything runs in your browser.

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Drop PDF files here or click to upload

Select multiple files at once

How to Merge PDF Files

Upload two or more PDF files by dragging them into the drop zone or clicking to browse. Use the arrow buttons to reorder files — the final PDF follows the order shown. Click Merge and download the combined document. Your files never leave your browser — all processing happens locally using the pdf-lib library.

Why Merge PDFs Online

Sending multiple PDF attachments is messy and unprofessional. Merging them into a single document makes sharing, printing, and archiving cleaner. Most desktop PDF editors charge $10 to $20 per month for this feature. This tool does it for free, instantly, and without installing any software.

Unlike other online PDF tools, this merger processes everything in your browser. Your documents are never uploaded to a server, which means sensitive contracts, invoices, and reports stay private.

Common Use Cases

Combining scanned documents into a single file for submission
Merging separate invoice or receipt PDFs for expense reports
Assembling report chapters or sections into one document
Combining cover letter and resume into a single application PDF
Creating document bundles for client deliverables

Pro Tip

Need to convert images to PDF first? Use our Image to PDF converter, then merge with other documents here.