Free PDF Tool
Merge PDFs Online, Free
Combine multiple PDF files into one. No signup, no upload to servers, no size limits beyond your browser. Your files never leave your device.
Drop PDFs here or click to browse
Add as many PDF files as you need. Arrange them in order below.
Upload PDFs
Drop your PDF files above or click to browse. Add as many as you need.
Set the order
Use the up and down arrow buttons to reorder. The files merge in the order you set.
Download
Click Merge and your combined PDF downloads instantly. Nothing is uploaded to any server.
Merge PDF files into one, online and free
A PDF merger combines two or more PDF files into a single document, in the order you choose. It is one of the most common document jobs there is: bundling a signed cover letter with its attachments, joining scanned pages that came out as separate files, or pulling several reports into one file before you email or fax it. This tool does that in the browser tab you already have open. There is no software to install, no account to create, and no page limit or watermark.
Your files never leave your device. The merge runs entirely in your browser using pdf-lib and JavaScript. Your PDFs are never uploaded to a server, never stored, and never transmitted over the internet. That matters for medical records, legal filings, and tax documents. When you close the tab, the files are gone from memory.
How to combine PDF files
- Drop your PDF files into the box above, or click to browse. Add as many as you need.
- Use the up and down arrow buttons to set the order. The files merge in the order you set.
- Click Merge and the combined PDF downloads to your device instantly.
- Download it, or send it straight to fax with the Send as Fax button.
The tool shows a running page count and file size as you add files, so you know the size of the merged document before you commit.
Ways people use Merge PDF
- Combine a cover letter, a form, and supporting pages into one fax.
- Join scanned pages that a scanner saved as separate PDFs.
- Bundle several monthly statements into a single file for an accountant.
- Merge a signature page back onto the contract it belongs to.
- Assemble an application packet before submitting it.
What types of PDFs can I merge?
Standard PDF files work perfectly. Password-protected or encrypted PDFs are not supported. If your PDF is locked, remove the password before merging. Regular PDFs from Word, Google Docs, or scanners all merge without any issues.
Merge pages, then fax
FaxDrop can fax your merged PDF in under 90 seconds. Click Send as Fax after merging, enter the recipient's fax number, and hit send. Two free faxes per month, up to 5 pages including cover, no account required. Built for healthcare and legal fax workflows.
Merge PDF: frequently asked questions
How do I merge PDF files for free?
Drop two or more PDFs into the box above, put them in the order you want with the up and down arrow buttons, then click Merge and the combined PDF downloads instantly. It is free, with no page limits, no watermark, and no account.
Are my PDF files uploaded to a server?
No. The merge runs entirely in your browser. Your PDF files are never uploaded, stored, or transmitted, so they stay private even for medical, legal, and financial documents.
Can I merge PDF pages before faxing them?
Yes. Combine your cover letter, form, and attachments into one PDF, then use the Send as Fax button to fax the whole document in one go. Need to shrink it first? Run it through Compress PDF, or start a fax now at free online fax.
Is there a limit on how many PDFs I can combine?
No. You can merge as many PDF files as your browser can hold in memory. There is no artificial file count or page limit on the tool itself.
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