Merge PDF files into one
Combine two or more PDFs into a single document. Drag to reorder, then download — all in your browser.
Free · No signup · No watermark · Files never leave your browser
Drop your PDF files here
or click to browse — nothing is uploaded, merging happens on your device
How to merge pdf in 4 steps
- 1
Add your PDFs
Drop two or more PDF files onto the box, or click it to browse. You can keep adding files after the first drop.
- 2
Put them in order
Use the arrows to move a file up or down. The merged document follows the order shown on screen.
- 3
Merge
Press Merge PDFs. The files are combined on your own device, so even large documents stay private.
- 4
Download
Save the finished PDF. No watermark is added and there is no sign-up or email step.
Combining PDFs without giving away your documents
Most free PDF mergers work by uploading your files to a server, doing the job there and letting you download the result. That is fine for a restaurant menu and a poor idea for a contract, a payslip or a medical report. This tool takes the other approach: the merge happens in your own browser, so the documents never travel anywhere.
When merging helps
Scanned pages that arrived as separate files, an invoice that needs its receipts attached, chapters written by different people, or a job application where the posting asks for “one PDF” — all of these are quicker to fix here than in a desktop PDF suite.
What stays the same after merging
Pages are copied whole. Selectable text stays selectable, embedded fonts stay embedded, images keep their resolution and page sizes are preserved, so an A4 document and a US Letter document can sit in the same file without either being stretched.
Merge PDF — frequently asked questions
Is this PDF merger really free?+
Yes. There is no account, no trial, no page limit and no watermark on the file you download. The tool is supported by unobtrusive advertising on the page.
Are my files uploaded to a server?+
No. The merge runs inside your browser using JavaScript, so the PDFs never leave your computer. You can check this yourself by disconnecting from the internet after the page loads — the tool still works.
How many PDFs can I merge at once?+
There is no fixed limit. The practical ceiling is your device's memory, and merging dozens of ordinary documents is comfortable on a normal laptop or phone.
Will merging reduce the quality of my PDF?+
No. Pages are copied across as they are, so text stays selectable, images keep their original resolution and fonts stay embedded. Nothing is re-compressed.
Can I merge a password protected PDF?+
Only if the password has been removed first. A PDF that needs a password to open cannot be read by the browser, so remove the protection in the app that created it and then merge.
Can I change the page order inside a merged file?+
Yes — use our Organize PDF tool after merging. It shows every page as a thumbnail so you can drag pages into any order, rotate them or delete the ones you do not need.
Other free PDF tools
Split PDF
Break one PDF into several documents — by page range, or one file per page.
Rotate PDF
Turn sideways or upside-down pages the right way up and save the fix permanently.
Delete PDF Pages
Remove the pages you do not need and download the trimmed document.
Organize PDF
Drag pages into a new order, rotate or drop individual pages, then save the rebuilt PDF.