Merge PDF Online Free

Q: How do I merge PDFs on a smartphone?

Open the page in your mobile browser. Tap 'choose file' — the browser will let you select files from storage. The tool works fully on mobile devices.

Combine multiple PDF files into a single document in the order you choose. Upload your files — they are merged in seconds right in your browser.

Your file never leaves your computer: everything is processed in the browser, nothing is uploaded.

How it works

Three steps — done

The entire process takes under a minute. No software to install, no account required.

Upload your PDF files

Select multiple PDF files or drag them into the upload area. Up to 20 files are supported per operation.

Set the merge order

Files are merged in the order you selected them. To change the order — reselect the files in the sequence you need.

Download the result

Click "Merge PDF" — your file is ready in seconds. Source files are never uploaded at all.

Why us

Secure, fast, free

The principles we uphold for every tool we offer.

Files never uploaded

The document is processed inside your browser and never uploaded. You can see it yourself on the Network tab of the developer tools.

Works without the internet

Once the page has loaded, no connection is needed. Turn off the network and process a file — the tool keeps working. That is the simplest way to see the document goes nowhere.

No registration

No account, email, or password needed. Upload a file — get your result.

Works on any device

Fully optimized for phones and tablets — just open it in your browser.

FAQ

Frequently asked questions

Answers to questions about security, formats, and limits.

How many files can I merge at once?

Up to 20 PDF files per operation. Total size limit is 200 MB. If you need more — merge in batches and repeat the operation.

Can I merge a PDF and a Word document into one file?

The tool works with PDF files only. To combine Word and PDF — first convert the Word document to PDF using our conversion tool, then merge.

Will formatting, bookmarks, and links be preserved?

Text, images, and basic formatting are fully preserved. Interactive elements (bookmarks, hyperlinks) may or may not be retained depending on the source document.

How do I merge PDFs on a smartphone?

Open the page in your mobile browser. Tap "choose file" — the browser will let you select files from storage. The tool works fully on mobile devices.

Are files shared with third parties?

No. Merging happens inside your browser: the contents of your documents go neither to us nor to any third party.

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