Merge PDF

Combine PDFs in the order you want with the easiest PDF merger available. ClaudPDF processes your document entirely in your browser, so your files are never uploaded anywhere.

Use the Merge PDF tool for free with no sign-up, no watermarks and no waiting queues. Drop your PDF in, pick your options, and download the result in seconds.

Because everything runs locally with WebAssembly, Merge PDF works on Windows, macOS, Linux, Android and iOS — and your document never leaves your device.

How to use Merge PDF

1. Open the Merge PDF tool and drop your file into the upload area.
2. Adjust the available options to match what you need.
3. Click the process button — the work happens instantly in your browser.
4. Download your finished file.

Frequently asked questions

Is Merge PDF free?

Yes. Merge PDF is completely free with no sign-up, no watermarks and no file limits.

Are my files safe when I use Merge PDF?

Yes. Merge PDF runs entirely in your browser, so your files are never uploaded to a server.

Do I need to install anything to use Merge PDF?

No. Merge PDF works directly in your web browser on any device — desktop or mobile.

Related tools: Split PDF · Organize PDF · Remove Pages · Extract Pages