Merge PDF
Combine multiple PDFs into a single file, privately in your browser.
How to merge PDF files
- 1
Add your PDFs
Drop or select the PDF files you want to combine.
- 2
Set the order
Drag files up or down to arrange them how you want.
- 3
Merge & download
Click Merge, the file is built on your device and ready to download.
Why merge PDFs in your browser?
Most online PDF mergers upload your documents to a server. If those documents are contracts, bank statements or medical records, that's a real privacy risk. PDFMergely processes everything locally, your files are combined on your own device and never transmitted. It's faster too: there's no upload to wait for.
Frequently asked questions
Are my files uploaded anywhere?+
No. Merging happens entirely in your browser using your device’s own processing. Your PDFs are never uploaded, stored, or seen by us or anyone else.
Is it really free?+
Yes. Merging PDFs is completely free with no sign-up required.
Does it work offline?+
Yes. After the page loads once, the merge tool keeps working even without an internet connection, because all processing is local.
Is there a file size limit?+
Processing runs in your browser, so very large files depend on your device’s memory. Typical documents merge instantly; our Pro tier is tuned for files up to 500 MB.
What happens to my files after I close the tab?+
Nothing persists. Any temporary working data is cleared automatically, and because files were never uploaded, there is nothing on a server to delete.