Merge PDF
Combine several PDF files into a single document, in the order you choose, entirely in your browser.
Combine two or more PDFs into one file. Add your documents, drag them into the order you want, and download the merged result. Everything happens in your browser — the files are never uploaded, which makes this safe for contracts, statements, and anything confidential.
How to merge PDFs
- Add your PDF files by dropping them in or clicking the box.
- Drag the items in the list to set the page order.
- Click Merge PDFs and the combined file downloads automatically.
Private by design
Most online PDF tools upload your files to a server to process them. This one doesn't. The merge runs locally with a JavaScript PDF library, so your documents never leave the browser tab. That means no size caps from an upload limit and no privacy risk with sensitive paperwork.
When merging in the browser wins
Combining PDFs locally has real advantages beyond privacy. There's no upload wait, so large files merge as fast as your device can process them, and there's no server-imposed size or page limit. For sensitive documents — contracts, medical records, financial statements — keeping everything on your machine removes the risk of a third-party service retaining a copy. The order you set in the list becomes the page order in the final file, so arrange the documents before merging.
Everything happens in your browser
Combining documents often means combining sensitive ones — signed contracts, medical forms, bank statements, scanned IDs. That makes "where does my file go?" the first question worth asking of any merge tool. This one answers it plainly: the merge runs entirely inside your browser using local code, so your PDFs are never uploaded to a server. Nothing leaves your device, which matters both for privacy and for working on documents you're simply not allowed to send to a third party.
Beyond privacy, local processing is fast and works offline once the page has loaded. Add your files in the order you want them, rearrange if needed, and the tool stitches them into a single PDF that downloads straight back to you. There's no queue, no email, and no account. For very large scans the only limit is your device's memory, so if a merge of dozens of high-resolution files struggles, combine them in smaller batches and then merge the results.
Frequently asked questions
Are my PDFs uploaded anywhere?
No. Merging happens entirely in your browser, so your files stay on your device.
Can I choose the order of the files?
Yes. Drag the files in the list to arrange them before merging; the final PDF follows that order.
Is there a file size or count limit?
There's no server limit. The practical limit is your device's memory, since everything is processed locally.
Can I merge password-protected PDFs?
The tool attempts to read files even when lightly protected, but PDFs with strong encryption may not merge. Remove the password in your PDF reader first if a file fails.
Will the merged PDF keep its quality?
Yes. Pages are copied without re-compression, so text stays selectable and images keep their original resolution.
Are my PDFs uploaded anywhere when I merge them?
No. The merge happens locally in your browser, so the files stay on your device and are never sent to a server.
Last updated: 2026-01-15