Merge PDF
Combine PDFs in the order you want into a single file.
or drag and drop PDFs here
Files are processed on your device and never uploaded.
Working…
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DownloadContinue with this file
To merge PDF files, select two or more PDFs, drag them into the order you want and click Merge PDF. The pages are combined into one PDF in your browser, so your files are never uploaded. It is free, has no watermark and needs no account.
How to merge PDF
- Select your PDF filesClick “Select files” or drop your PDF files on the page.
- Choose your optionsDrag the files into the order you want. Add more files with the + button.
- Click “Merge PDF”The result is created on your device in seconds and downloads automatically.
Frequently asked questions
Is there a limit on how many PDFs I can merge?
There is no fixed limit. Because merging happens on your device, the practical limit is your device’s memory. Most computers handle hundreds of pages easily.
Are bookmarks and page rotation kept?
Page rotation, page size and content are kept exactly. Each source file stays in the order you set.
Can I merge password-protected PDFs?
Remove the password first with Unlock PDF (you need to know the password), then merge.
Is Merge PDF free?
Yes. Merge PDF on HappyPDF is completely free: no sign-up, no watermark and no daily limit.
Are my files safe?
Yes. Your files are processed inside your own browser and are never uploaded to HappyPDF’s server,, so nobody else can see them.
Does it work on phone, Mac and Windows?
Yes. It works in any modern browser (Chrome, Safari, Edge, Firefox, Samsung Internet) on Windows, macOS, Linux, Android and iPhone/iPad. Nothing to install.