Compare two PDFs side-by-side with pixel and text difference highlighting. Find every change instantly — private, in-browser.
Compare PDF Files Online is part of ToolsPilot — a free online toolkit for PDFs, images, audio and video. No signup, no watermark and no software to install. Your file is processed entirely in your browser, so it never leaves your device.
How to use Compare PDF Files Online
Open the Compare PDF Files Online tool and add your file — drag and drop it, or click to browse from your device.
Choose any options you need, then run it — ToolsPilot processes your file in just a few seconds.
Download your result instantly. No account, no email and no watermark — ever.
Frequently asked questions
Is Compare PDF Files Online free to use?
Yes. Compare PDF Files Online on ToolsPilot is 100% free with no account, no watermark and no daily limits for everyday use.
Are my files private and secure?
Compare PDF Files Online runs entirely in your browser, so your file never leaves your device — nothing is uploaded to any server.
Do I need to install any software?
No. Compare PDF Files Online works online in any modern browser on Windows, macOS, Linux, Android and iOS — there is nothing to download or install.