Merging PDFs is a common task that most tools handle badly — desktop apps need installation, online tools charge after 2 files, and anything free usually adds a watermark. The result is either spending time on setup or ending up with a PDF you can't use.

The merge PDF online free tool combines any number of PDFs in your browser. No upload to a server, no watermark, no install.

How to Merge PDFs

Open combine PDF files online

Click Add Files or drag and drop your PDFs onto the panel

Reorder files by dragging them into the sequence you want

Click Merge — a single combined PDF downloads immediately

That's the full workflow. Files stay in your browser — they're processed client-side using pdf-lib, so nothing is uploaded.

Reordering Before Merging

The order of files in the list is the order of pages in the merged PDF. Drag any file card to reposition it. If you need the appendix before the main document, drag it up.…