Join multiple PDF documents into one file directly in your browser. No install, no upload, no waiting.
Combining PDF means joining several PDF files into a single document. This is a common task in offices, schools, and remote work. When you combine PDFs, each original file becomes a set of pages inside the new document, keeping the original order intact.
Traditional PDF software like Adobe Acrobat requires installation, takes up disk space, and costs $15 per month. Free online alternatives often force you to upload files to unknown servers. PDFMerge offers a third option: combine PDF directly in your browser. It uses the open-source pdf-lib engine to process files on your device — nothing is sent to any server.
They mean the same thing: joining multiple PDF files into one document. 'Combine' is often used in office software like Microsoft Word and Excel.
Yes. PDFMerge handles both text-based and scanned (image-based) PDFs. All pages are preserved exactly as they appear.
No. The original pages are copied directly into the new file without re-compression or quality loss.
Up to 50 MB per file and up to 20 files per merge. For most office documents, this is more than enough.
No. PDFMerge works entirely in your web browser — Chrome, Safari, Firefox, Edge, or any mobile browser.