PDF Merge
Combine multiple PDF files into one document instantly in your browser. Free, private, no upload required.
How do I merge PDF files online?
Upload your PDF files, arrange them in the desired order by dragging or using arrow buttons, then click the Merge button. The combined PDF will be downloaded automatically to your device.
Is this PDF merger free to use?
Yes, this PDF merge tool is completely free with no limitations. You can combine as many PDF files as you need without any cost or registration.
Are my PDF files safe and private?
Absolutely. All PDF merging happens locally in your browser using JavaScript. Your files are never uploaded to any server, ensuring 100% privacy and data security.
Can I reorder pages when merging PDFs?
Yes, you can rearrange the order of PDF files before merging by dragging them or using the up and down arrow buttons next to each file entry.
Is there a file size limit for merging PDFs?
There is no strict file size limit. However, very large files or many files may take longer to process depending on your device's available memory.
How many PDF files can I merge at once?
You can merge as many PDF files as you need. There is no limit on the number of files you can combine in a single merge operation.
Does the PDF merger work on mobile devices?
Yes, the tool works on all modern browsers including mobile devices. The interface is responsive and adapts to different screen sizes.
Do I need to install any software?
No installation required. This is a browser-based tool that runs entirely in your web browser. Just open the page and start merging PDFs.
Can I merge password-protected PDF files?
If you know the password, you can merge password-protected PDFs. However, the merged output will not be password-protected unless you add protection afterward.
What technology powers this PDF merger?
This tool uses pdf-lib, a pure JavaScript PDF library, to merge files directly in your browser. No server-side processing is involved.
Can I merge scanned PDF documents?
Yes, you can merge any PDF files including scanned documents. The tool preserves all content including images, text, and formatting from the original files.
Will the merged PDF maintain the original quality?
Yes, the merged PDF maintains the exact same quality as the original files. No compression or quality loss occurs during the merge process.