Black boxes disappear after saving with the Blacken tool

[a7abw]

I've just downloaded the desktop version and I'm having trouble using the Blacken feature.

After opening a pdf file and inserting the black boxes to cover areas I want redacted, I then save the file. But when the saved version is opened, the black boxes have disappeared.

Appreciate some advice on how to use this feature.

Thanks.

[PDF24 Support]

Hello,

in the PDF24 Toolbox, "Blacken PDF" saves in two steps:

1. Draw the black boxes on the pages.
2. Click the disk icon "Save PDF" at the top left of the toolbar. This does not save the file yet: PDF24 now creates the blackened PDF. The pages with boxes are turned into images, so the content underneath is really removed.
3. In the next view, click "Save" and choose a file name and folder.

In version 11.31.1 the save dialog suggests the name of the original file, and closing the Toolbox after step 2 does not ask whether you want to save the result. So it is easy to end up with the unchanged original. Please save the result under a new name, for example with "_redacted" at the end, and open that file.

With the next version, the result will automatically be named "<name>_redacted", and closing will ask as long as the result has not been saved.

If the boxes are still missing in the saved file, please send us a file where it happens to forum@pdf24.org so that we can reproduce this.

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