Merge PDF Files Online Free
Combine multiple PDF files into one document online for free. Drag, drop, reorder and merge PDFs in seconds — no software or signup required.
About Merge PDF
Merging PDFs is one of the most common document tasks in offices, schools, and businesses. Our free online PDF merger lets you upload multiple PDF files, reorder them by dragging, and combine them into a single unified document in seconds. There is no file size limit and no watermarks added. The tool processes files in your browser keeping your documents private. Perfect for combining invoices, reports, chapters, scanned pages, or presentations into one clean PDF ready to share or print.
Frequently Asked Questions
Is there a limit on how many PDFs I can merge?
No hard limit — merge as many PDF files as needed in one session.
Will my merged PDF have a watermark?
No. The output PDF is always clean with no watermarks.
Can I reorder pages before merging?
Yes — drag and drop the uploaded files to set the order before combining.
Is my data safe?
Yes. Files are processed locally in your browser and not uploaded to any server.
What PDF versions are supported?
All standard PDF versions (1.0 through 2.0) are supported.