Merge PDF Files Online

Combine multiple PDFs into one document — free, unlimited, and 100% in your browser.

Select Or Drag & Drop PDFs Here (2 or more)

Need to combine PDF files without installing software or paying for Adobe Acrobat? PDF Boy's Merge PDF tool joins any number of PDFs into one document, right in your browser — free, unlimited, and with full control over the page order.

How to Merge PDF Files

  1. Click Select PDFs or drag & drop two or more PDF files into the box above.
  2. Reorder them with the up/down arrows — the merged PDF follows this order.
  3. Click Merge PDFs and download your combined file — done in seconds.

Frequently Asked Questions

How do I merge multiple PDF files into one?

Select or drag two or more PDF files into PDF Boy's Merge PDF tool, reorder them using the up/down arrows if needed, then click Merge PDFs. Your combined PDF downloads instantly.

Is merging PDFs free and unlimited?

Yes. PDF Boy's Merge PDF tool is completely free, with no signup, no watermark, and no limit on file count or size.

Are my PDF files uploaded to a server when merging?

No. All merging happens locally in your browser using JavaScript. Your files never leave your device.

Is there a limit on how many PDFs I can combine?

No. There's no limit on the number of files, total page count, or file size — combine as many PDFs as you need.

Can I change the order of the PDFs before merging?

Yes. Use the up and down arrows next to each file to reorder them. The final merged PDF follows the order shown in the list.

Do I need Adobe Acrobat to combine PDF files?

No. PDF Boy merges PDFs entirely in your browser — no Adobe Acrobat, no desktop software, and no account required.

More PDF Tools

Split PDF Extract a page range, or split every page into its own PDF. PDF to Image Convert PDF pages into JPG or PNG images. PDF Size Reducer Compress your merged PDF to an exact target size.