Merge PDF files
Combine PDFs into one file, in the order you choose.
PDFPDF
or drop them here
Processed on your device. Nothing is uploaded.
Merge PDF files into a single document in a few seconds. Add two or more PDFs, drag them into the order you want, and download one combined file. It handles contracts with their appendices, scanned receipts for an expense report, or separate chapters you want to read as one book.
Unlike most online PDF mergers, this one never uploads anything. The joining happens inside your browser tab, on your own computer or phone, so the documents stay with you from start to finish. That is also why there is no file-size cap beyond what your device’s memory can handle.
There’s no account to create, no watermark stamped on the result and no daily quota. Combine as many files as you like, as often as you like, at no cost. The merged file keeps every original page exactly as it was, so text stays searchable and nothing turns blurry.
How to use Merge PDF
Add your PDFs
Drop the PDF files onto the page or tap the button to choose them. You can pick several at once from your computer, phone or tablet.
Set the order
Drag the files into the sequence you want. The file at the top of the list becomes the first part of the merged PDF.
Click Merge PDFs
Press Merge PDFs. The files are joined right in your browser, which usually takes a moment even for long documents.
Download the combined file
Save the merged PDF to your device. Nothing is stored anywhere else, so you can simply close the tab when you’re done.
How to merge PDF files on Windows, Mac and iPhone
Because this PDF merger runs in a web browser, the steps are identical on every system: open the page in Chrome, Edge, Safari or Firefox, add the files and download the result. On an iPhone or iPad, tap the drop area to pick documents from the Files app. On Android, choose them from Downloads or any file app.
Some systems also have a built-in route. On a Mac, Preview can combine PDFs if you open the first file, show page thumbnails in the sidebar and drag the other files in. On iPhone, the Files app can turn several selected items into one PDF with its Create PDF action. Windows has no native merger, which is why so many people look for a free tool like this one.
Why combining PDFs in your browser is safer
Most free PDF sites send your files to their servers, process them there and hold on to them for a while before deletion. For a lease, a medical letter or a tax return, that means a copy of sensitive data sitting on a machine you don’t control.
Here, the files are read and joined by code running in your own browser tab. Nothing travels over the network, so there is nothing to intercept or retain. Once the page has loaded, you can even switch off Wi-Fi and the merge still works.
Tips for ordering pages and joining large files
A few habits make merging faster and the finished file cleaner:
- Put numbers at the start of file names (01, 02, 03) when you have many files, so the order is easy to check at a glance.
- Need to move single pages rather than whole files? Merge first, then open the result in Organize PDF and drag individual pages.
- Very large scans use a lot of memory on older phones. If the tab struggles, merge in two batches and then combine those two results.
- If the merged document is too big to email, run it through Compress PDF afterward.
Questions people ask
Is this PDF merger really free?
Yes. Merging is completely free, with no sign-up, no watermark and no limit on how many files you combine or how often.
Is it safe to merge PDFs online here?
Your files are never uploaded. The merge runs inside your browser on your own device, so no copy of your documents reaches our servers or anyone else’s.
Can I merge PDFs on iPhone?
Yes. Open this page in Safari or another browser on your iPhone or iPad, choose the PDFs from the Files app, put them in order and tap Merge PDFs.
Will merging reduce the quality of my PDFs?
No. Pages are copied into the new file as they are, so text stays selectable and images keep their original resolution.
How many PDF files can I combine at once?
There’s no fixed cap on the number or size of files. The practical limit is your device’s memory, which only matters for very large scanned documents on older phones.
Can I merge password-protected PDFs?
Not directly. A PDF that needs a password to open must be unlocked first. Use the Unlock PDF tool, then merge the unlocked copy.
How do I change the page order after merging?
Open the merged file in Organize PDF, drag the page thumbnails into place and save. You can rotate or delete pages there too.