White Background behind Image in Slide Thumbnail


I use “aspose-slides-19.9-jdk16.jar” to generate png thumbnails of slides but the result is not completly similar to the source.

Can you explain why aspose shows white background behind green check signs?

4.png (70.8 KB)

Diapositive4.PNG (107.3 KB)

You can find all resources here :

Thank you in advance for your help.

Best regards.


I have worked with the presentation file shared by you and have been able to observe the issue specified. An issue with ID SLIDESJAVA-37758 has been created in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be fixed.

The issues you have found earlier (filed as SLIDESJAVA-37758) have been fixed in Aspose.Slides for Java 22.3 (ZIP).
You can check all fixes on the Release Notes page.
You can also find the latest version of our library on the Product Download page.