PDF Merge - Free Online Tool
Merge multiple PDF files into one document online for free. No upload to servers — all processing in your browser.
Drop PDF files here or click to upload
Select multiple PDFs to merge • Up to 20 files
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Free Online PDF Merger
Merge multiple PDF files into a single document instantly. No registration, no watermarks, no file size limits. Simply drag and drop your PDFs, reorder as needed, and download the merged result. All processing happens in your browser.
Common Use Cases
- Combine multiple scanned documents into one file
- Merge report chapters or sections
- Consolidate invoices or receipts for accounting
- Combine form pages into a single submission
Frequently Asked Questions
How many PDFs can I merge at once?
You can merge up to 20 PDF files at once. The total combined size should be under 100MB for best browser performance.
Is my PDF data secure?
Absolutely. All merging happens in your browser. Your files are never uploaded to any server.
Can I reorder pages after merging?
You can reorder the PDF files before merging by dragging them in the list. The merged PDF follows the order shown.