Flatten PDF

1. Use the file selection box at the top of the page to select the PDFs you want to flatten.
2. Start the flattening process by clicking on the corresponding button.
3. Use the download button to save the new PDFs to your computer.

Imagine you fill out a PDF and then send this PDF file to another person who processes the data. But if this PDF, which can still be filled out, now falls into the wrong hands, then you make it very easy for this person to change the data afterwards. For example, someone could change your bank details. To prevent this from happening, you should always send filled-out PDFs only flattened, because in such PDFs there are no longer any editable form elements. These have been merged with the actual content of the page.

An even more secure way to protect page contents from changes is to convert PDF pages to images. These images can then be embedded again as pages in a PDF. With this you really get a very secure PDF file. PDF24 has its own tool for exactly this purpose, with which you can convert a PDF into a more secure PDF.

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.

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.

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.