Free Online Tool
Merge PDF Files Online Free
Combine multiple PDF files into a single document in seconds. No account, no watermark on the first export.
Upload documents
Drag & drop or
PDF, Word, PowerPoint, images·Max 100 MB per file
No account required · Files deleted after 24 hours · Secure encrypted upload
How it works
Upload your PDFs
Drag and drop or browse to select two or more PDF files you want to combine.
Arrange order
Reorder your files with simple up/down controls to get the page order you want.
Merge & download
Click Merge and watch the progress. Your combined PDF is ready in seconds.
Frequently Asked Questions
- How do I merge PDF files online for free?
- Upload two or more PDF files using the tool above, arrange them in the order you want, and click Merge. Your combined PDF is ready to download in seconds — no account or software needed.
- Is there a file size limit?
- Each file can be up to 50 MB. You can merge up to 20 PDFs at once with the free tool. For larger files or batch merging, create a free account.
- Is it safe to merge PDFs online?
- Yes. Your files are uploaded over an encrypted connection (TLS) and are automatically deleted from our servers after 24 hours. We never share or access your documents.
- Can I reorder pages before merging?
- Yes. After uploading, use the drag-and-drop controls to rearrange files in any order before merging them into a single PDF.
- Does this work on Mac, Windows, and mobile?
- Yes. ProPDFSuite runs entirely in your browser. It works on Mac, Windows, Linux, iPhone, iPad, and Android — no software to install.