Merge PDF
Combine multiple PDF files into one in any order you choose.
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About Merge PDF
The most secure way to combine PDF files. Our merge tool runs entirely in your browser, meaning your private documents are never uploaded to a server. Simply upload, reorder, and merge into a single professional PDF.
How to Use
- Upload all the PDF files you want to combine.
- Drag and drop the files into your preferred final order.
- Click 'Merge PDFs' to begin the local assembly process.
- Download your unified document once the merging is complete.
Common Use Cases
- Combining multiple invoices or receipts into a single monthly expense report.
- Merging separate chapters or sections into a complete ebook or manual.
- Joining a cover letter with a resume and portfolio into a single job application file.
Technical Details
Leverages pdf-lib to extract pages from source documents and append them to a new PDF container. This memory-efficient process ensures no data loss and maximum privacy.
Frequently Asked Questions
- Is there a limit on file count?
- You can merge as many files as your browser's memory allows. For very large documents, ensure you have sufficient RAM available.
- Does it work with encrypted PDFs?
- Encrypted or password-protected PDFs must be unlocked before they can be merged by our local engine.
100% Private & Secure
This tool runs entirely in your browser using client-side technology. Your files and data are never sent to a server, ensuring 100% privacy and speed.