Merge PDF files and photos into one PDF

Combine several PDFs, scans and photos into a single PDF, in the order you choose. Then download it or send it as one fax. Free, no account, and nothing is uploaded: the files are joined in your browser on this device.

Last updated:

Nothing is uploaded. Your files are opened and the new PDF is made by your browser on this device; they are gone when you close the tab.

Drop PDFs or photos here

PDFs and JPG, PNG or HEIC photos, up to 100 MB each. Pick several at once.

How to use it

  1. Choose or drop your PDFs and photos. You can pick several at once and add more later.
  2. Put them in order with the up and down arrows, or drag them with a mouse.
  3. Download the merged PDF, or send it as a fax straight away.

How this works

Everything runs in your browser, with the open-source libraries pdf.js (to read and draw pages) and pdf-lib (to write the PDF). This is what happens to your files.

Opening the files
Your browser reads each file from your device. PDFs are opened with pdf.js to count the pages and draw a small preview of the first one. Nothing is sent to a server at any point.
Joining PDFs
pdf-lib copies every page into one new PDF, in the order of the list. The pages are copied as they are, not redrawn, so text stays text you can select and search. Fonts and images a file shares between its pages are stored once.
Photos
A photo (JPG, PNG, WebP, or HEIC where the browser can open it) is turned upright, scaled to at most 2,400 pixels on its long side and placed on its own Letter or A4 page with a 1/3 inch margin, the way FaxUp's send page places photos.
Protected PDFs
A PDF that needs a password to open can't be used; remove the password first. One that opens but is protected against editing can't be copied page by page, so its pages are drawn at 200 dpi and added as images.

Questions

Is anything uploaded?

No. The files are opened and joined by your browser on your device. They are not sent to FaxUp or anyone else, and they are gone when you close the tab. Our analytics record that the tool was used, with counts such as the number of files and pages, never the files or their names. If you choose to fax the result, it is uploaded at that point, on the send page, as part of sending it.

Is it free? Is there a limit?

Merging is free, with no account and no watermark. You can join up to 50 files and 300 pages at a time, each file up to 100 MB. Very large files can be slow on older phones, because all the work happens on your device. Sending the result as a fax is a separate, paid service.

Can I merge photos and PDFs together?

Yes. Photos become one page each, in the place you put them in the list. HEIC photos from an iPhone open in Safari; other browsers can't read HEIC, so save the photo as JPG there, or use Safari.

Will the merged PDF lose quality?

Not for PDFs: their pages are copied, not redrawn. Photos are scaled to at most 2,400 pixels on their long side, which is more than a Letter page needs at fax or print resolution. Pages of a PDF that is protected against editing are the exception: they are added as 200 dpi images.

Can I change the order of pages, not just files?

This tool keeps each file's pages together. To move, delete or duplicate single pages, merge first, then open the merged PDF in Organize PDF.

More free tools

Need to fax it?

Upload your document on the send page, enter the fax number and follow the status until it is delivered. You pay per fax, any number of pages. To check how it will print first, use the fax preview.

Send a fax