Merge PDF Online

Combine multiple PDF files into one easily.

Select PDF Files

Merge PDF Online – Combine Multiple PDF Files into One

BOX-PDF is a free online platform offering a complete set of PDF tools to make your document work easier — no software installation, no cost, and no complicated steps.

Do you have several PDF files that you need to combine into a single document? Our Merge PDF tool lets you do exactly that — quickly, freely, and without installing any software. Whether you’re a student putting together assignment pages or an office worker combining reports and invoices, this tool makes merging PDFs simple.

Need to do the opposite — break one PDF into multiple files? Check out our Split PDF tool as well.

How it works

Two steps, done in under a minute — no sign-up and nothing to configure.

Select the PDF files you want to combine

Choose as many files as you need in one go — there's no limit on how many you add.

Merge & download

Click the button and your combined file is ready instantly, saved straight to your device.

Why use this over the alternatives

Tools like iLovePDF merge files too — this gets you the same result with fewer steps and nothing to sign up for.

Who this is for

01

Students

Combine lecture notes, assignments, or research papers into one file before submission.

02

Office teams

Merge reports, invoices, contracts, or meeting documents into a single, organized PDF.

03

Anyone with scattered PDFs

Stop juggling separate attachments — keep everything you share and store in one clean file.

Frequently asked questions

Is this Merge PDF tool really free?

Yes — it's completely free to use, with no hidden costs.

How many PDF files can I merge at once?

You can select and merge multiple PDF files together in a single process.

Do I need to install any software?

No. The entire merging process happens online, directly in your browser.

Is it safe to merge my PDF files here?

Yes — files are processed securely, so your documents stay private.

Can I use this tool on my mobile phone?

Yes, it works smoothly on mobile phones, tablets, and desktop computers alike.

Will merging affect the quality of my PDF files?

No — the original quality and formatting of your files stay unchanged after merging.

Are there other PDF merging tools available online?

Yes, tools like iLovePDF offer similar services — this one aims to get you the same result with a simpler, faster, completely free experience.

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