Merge PDF Files Online
Combine multiple PDF files into a single document. Drag and drop your files, reorder them, and merge instantly. All processing happens locally in your browser.
Select PDF Files to Merge
📄
Drag & drop PDF files here or click to browse
You can add multiple files
📎 Unlimited Files
Combine as many PDF files as you need. No file count or size limits.
↕️ Custom Order
Drag to reorder files before merging. Get your pages in the exact order you want.
🔒 100% Private
All processing happens in your browser. Files never leave your device. No server uploads.
Free Online PDF Merger
Merge multiple PDF files into a single document for free. This tool runs entirely in your browser using the pdf-lib library, ensuring your files stay completely private — nothing is uploaded to any server.
How to Merge PDFs
- Click the upload area or drag and drop your PDF files
- Use the arrow buttons to reorder files as needed
- Click "Merge" to combine all files into one PDF
- The merged PDF will download automatically