Compare PDF files

Select the two files you want to compare and start the comparison. A few seconds later, you will see the differences between the two files.

Not only supports PDF

Your files do not necessarily have to be PDFs. This app supports all files that our system can convert to PDF. The conversion to PDF is done automatically.

Ease of use

PDF24 makes it as easy as possible for you to compare documents. You don't need to install or set up anything, just select your files.

Supports your system

There are no special requirements for comparing two files on your system. This app works with all major operating systems and browsers.

No installation required

You do not need to install any software. The files are compared on our servers. Your system does not require any special requirements.

Security is important to us

Our file comparison tool does not store your files longer than necessary. Your files and results will be removed from our server after a short time.

Developed by Stefan Ziegler

What others are saying

Very nice and simple application that allows me to quickly and easily display the differences between two similar files.

It can't be much easier to compare two files. Comparing two revisions of a document becomes quite easy thanks to this tool.

Questions and Answers

How can I compare two PDF files?

  1. Use the file selection boxes at the top of the page to select the files you want to compare.
  2. Change the settings if necessary.
  3. Start the comparison by pressing the corresponding button.
  4. PDF24 then processes the files and displays the result so that you can see the differences.

Is it secure to use PDF24 Tools?

PDF24 takes the protection of files and data very seriously. We want our users to be able to trust us. Security aspects are therefore a permanent part of our work.

  1. All file transfers are encrypted.
  2. All files are automatically deleted from the processing server within one hour after processing.
  3. We do not store files and do not evaluate them. Files will only be used for the intended purpose.
  4. PDF24 is operated by a German company, Geek Software GmbH. All processing servers are located in data centres within the EU.
  5. Alternatively, you can get a desktop version of the PDF24 tools with the PDF24 Creator. All files remain on your computer here, as this software works offline.

Can I use PDF24 on a Mac, Linux or Smartphone?

Yes, you can use PDF24 Tools on any system with which you have access to the Internet. Open PDF24 Tools in a web browser such as Chrome and use the tools directly in the web browser. You do not need to install any other software.

You can also install PDF24 as an app on your smartphone. To do so, open the PDF24 Tools in Chrome on your smartphone. Then click on the "Install" icon in the upper right corner of the address bar or add PDF24 to your start screen via the Chrome menu.

Can I use PDF24 offline without an Internet connection?

Yes, Windows users can also use PDF24 offline, i.e. without an Internet connection. Simply download the free PDF24 Creator and install the software. The PDF24 Creator brings all PDF24 tools to your PC as a desktop application. Users of other operating systems should continue to use PDF24 Tools.