PDF Merge Tool

Merge PDF Files Online —
Free, Fast & Secure

Combine multiple PDFs into one document in seconds. Drag to reorder, no account needed, and your files never leave your browser.

Why use PDFUS to merge PDFs?

The simplest way to combine PDFs — no software, no account

Merge up to 5 PDFs at once for free. Need more? Pro supports up to 10 files with no size limits.

Set the exact order of your files before merging. Simply drag and drop in the file list.

Everything runs in your browser. Your PDFs never leave your device — total privacy guaranteed.

Pages are combined without re-encoding. The merged PDF has the same quality as your originals.

No registration, no installation — done in seconds

Upload two or more PDF files by dragging them in or clicking to browse. Up to 5 files free.

Drag files in the list to set the order they appear in the final merged document.

Click Merge PDF and download your combined file instantly. No waiting, no email.

Free plan allows merging up to 5 PDF files at once. Pro plan supports up to 10 files with no size limits.

Yes. Simply drag and drop the files in the file list to set the order before merging.

Yes. PDFUS merges PDFs without re-encoding, so the original quality of every page is fully preserved.

No. All merging is done locally in your browser. Files never leave your device — fully GDPR compliant.

PDFUS merges PDF files only. All standard PDF versions are supported.