Merge PDF: Combine PDF Files Online
Combine two or more PDF files into one PDF. Add your files, put them in the order you want with the arrows, and press Merge. Everything happens in your browser, so your documents are never uploaded to a server.
- No upload, 100% private
- Reorder files
- No page limit
- No sign-up
Your files stay on your device: they are processed in your browser and never uploaded.
How to use
- Press Choose PDF files or drop your PDFs on the box. You can add more at any time.
- Use the ↑ and ↓ buttons to put the files in the order you want. Remove any file with ×.
- Press Merge PDFs. The combined file downloads automatically.
- Open the new PDF to check it. Merging does not change your original files.
How to merge PDF files
This tool copies every page of each PDF, in the order of your list, into a new document. Page size, text, fonts, images and links are kept, because pages are copied as they are and not turned into pictures. The result is the same quality as your originals.
Private by design
Many online PDF tools upload your files to a server. This one does not: the merge runs with JavaScript on your own device, so contracts, invoices and ID scans stay with you. It also means there is no file-size limit from us; the limit is your device memory, so files up to a few hundred megabytes usually work.
Related PDF tools
Need just some pages? Use Split PDF. Have photos or scans? Turn them into a PDF with JPG to PDF. Want a smaller file? Try Compress PDF.
Frequently asked questions
Are my PDF files uploaded?
No. Merging happens in your browser. Your files never leave your device.
Is there a limit on files or pages?
We set no limit. Very large files need enough free memory on your device, so on a phone it is best to merge a few at a time.
Will the quality or text change?
No. Pages are copied directly into the new file, so text stays selectable and images keep their quality.
Why does it say a PDF is password-protected?
Encrypted PDFs cannot be read until the password is removed. Open the file in a PDF viewer, save an unlocked copy, and add that copy here.
How do I change the order of the pages?
Put the files in the order you want with the arrow buttons before you merge. To reorder single pages, use Split PDF to pull them out and merge them again.