Compare PDF

Show a side-by-side document comparison and easily spot changes between different file versions. ClaudPDF processes your document entirely in your browser, so your files are never uploaded anywhere.

Use the Compare 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, Compare PDF works on Windows, macOS, Linux, Android and iOS — and your document never leaves your device.

How to use Compare PDF

1. Open the Compare 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 Compare PDF free?

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

Are my files safe when I use Compare PDF?

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

Do I need to install anything to use Compare PDF?

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

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