Add two or more PDFs, drag the files into the order you want, and download a single combined document. Pages are copied byte-for-byte with pdf-lib — no re-compression, no quality loss.
Merge PDF files
Combine multiple PDF files into one, in any order.
Merge PDF files: Combine multiple PDF files into one, in any order. Add your file to the tool above, apply it, and download the result — free, in any browser, with no sign-up.
- 100% free — no sign-up
- Files processed privately
- Fast — no upload wait
- No file-count limit
About this tool
How to use Merge PDF
1. Add your file
Drop your file onto the Merge PDF workspace above, or click to browse for it.2. Choose the options
Adjust the settings for merge pdf — the defaults work for most files.3. Download the result
The result is generated in your browser — nothing is uploaded. Click Download to save it.
Frequently asked questions
Is Merge PDF free to use?
Yes. Merge PDF is completely free with no watermark, no account, and no file-count limit.
Are my files uploaded to a server?
No. Processing happens in your browser using WebAssembly and the Canvas API. Your documents never leave your device.
Which browsers are supported?
Any modern browser — Chrome, Edge, Firefox, or Safari. No extension or desktop app is required.
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