A visa portal wants your passport, bank statement and letter as one PDF. Your accountant wants a month of invoices in one file. Merging PDFs is simple, but the details (order, page size, file size, privacy) decide whether the result is accepted.
Merge PDFs in your browser
- Open Merge PDF and drop in the files.
- Use the arrows, or drag the files, to put them in order. The first file becomes the first pages.
- Press Merge PDFs and download merged.pdf.
The files are combined on your own device, so they are never uploaded. Text stays selectable and links keep working, because the pages are copied as they are rather than redrawn.
On a Mac with Preview
Open the first PDF in Preview, turn on View > Thumbnails, then drag the other PDFs into the thumbnail column where you want them. Save with File > Export as PDF so your original stays untouched.
On Windows and phones
Windows has no built-in PDF merger, and most phone PDF apps lock merging behind a subscription. A browser tool works on both: open the Merge PDF page in Edge, Chrome or Safari and choose your files from the device.
Fix the result after merging
- Pages in the wrong order? Open the merged file in Organize PDF and move pages with the arrows.
- Sideways scans? Turn them with Rotate PDF.
- Blank or extra pages? Delete them in Remove pages.
- Too big to upload? Shrink it with Compress PDF. See how to compress a PDF for upload forms.
- Need page numbers for a bundle? Add them with Add page numbers.
Have photos rather than PDFs?
Turn the photos into a PDF first with JPG to PDF, which also accepts iPhone HEIC photos, then merge that PDF with the others.
Frequently asked questions
Is there a limit to how many PDFs I can merge?
The free tool merges 5 files at a time, as often as you like. To join more, merge the first five, then add the result to the next batch.
Will merging add a watermark?
No. The merged PDF contains only your pages.
Can I merge password-protected PDFs?
Not until the password is removed. Open the file with its password in your PDF reader and save an unprotected copy first.