PDF Merge

About PDF Merge

PDF Merge combines multiple PDF files into a single, unified document. Whether you need to assemble contracts with attachments, compile report chapters, or organize scanned pages, merging PDFs saves you from sending multiple files and makes document management far easier.

This tool uses PDF-lib, a JavaScript library that runs entirely in your browser. All PDF files are processed on your device — nothing is uploaded to a server. The merged output preserves all original fonts, images, tables, hyperlinks, and formatting from every source document.

Key Features

• Unlimited files: Merge any number of PDF files in a single operation — no limit on file count
• Drag-to-reorder: After uploading, drag the files in the list to set the final page order before merging
• Format preserved: Original fonts, images, tables, and hyperlinks are retained in the merged output
• Browser-only processing: Powered by PDF-lib — all processing happens locally, no server upload required
• Free, no login: No account needed. Open the page and start merging immediately

Common Use Cases

Legal professionals assemble contract packages by merging the main agreement, exhibits, and signature pages into one submission. Accountants compile monthly financial statements into a single annual report PDF. Students combine multiple assignment documents into one file for submission. Designers and photographers merge portfolio sections into a complete PDF presentation. Office workers combine system-generated reports that can't be merged automatically. Scanned documents split across multiple files can be rejoined into a single, complete PDF.

How to Use

1. Click the upload area or drag your PDF files onto it — upload all files you want to combine
2. Drag items in the list to set the desired page order
3. Click "Merge PDF" to start processing
4. Download the merged PDF once processing is complete