How do I merge PDF files online for free?

Upload your PDF files to lnpdf, drag and drop them into the order you want, and click Merge. Your combined PDF downloads instantly — no signup or software needed.

Is there a limit to how many PDFs I can merge at once?

lnpdf lets you merge a large number of PDF files in a single session. All processing happens in your browser, so there are no server-side file limits.

Will merging PDFs reduce the quality of my documents?

No. lnpdf combines your PDFs without re-compressing or altering the content, so text, images, and formatting stay exactly as they were.

Can I reorder pages before merging PDFs?

Yes. lnpdf provides a drag-and-drop interface that lets you rearrange individual files and pages before merging them into a single document.

Merge PDF

Join multiple PDF documents into a single file. Drag and drop to reorder pages before merging.

Drop PDF files here or click to browse

Select multiple PDF files to merge into one

Your files never leave your browser. Nothing is stored on our servers.

How to Merge PDF

Upload your file

Select the file you want to process.

Merge PDF

We'll process your file automatically with our tool.

Download

Download your processed file instantly for free.

Merge PDF Features

Combine unlimited PDF files into a single document
Drag-and-drop reordering of files and pages before merging
Preserves original quality, fonts, and formatting
Runs entirely in your browser — files never leave your device
No registration or watermark added to merged PDFs

Frequently Asked Questions

Related Tools

Merge PDF Online

Merge multiple PDF files into one document online for free. Rearrange and combine PDFs instantly in your browser with lnpdf. Everything runs in your browser — no uploads, no signups, no installs. Works on any device — desktop, tablet, or phone.