The most obvious choice for CPT to PNG conversion would be Corel Paintshop Pro from which CPT pictures originate. Other than that, some other picture converters can also probably perform this conversion.
Found 2 different conversion types using the same filename extensions.
Conversion cpt to png type 1:
Convert from Corel PHOTO-PAINT bitmap file to Portable Network Graphic.
Microsoft Windows software - convert cpt to png on Windows
Corel PaintShop Pro is digital photo editor and manager for Microsoft Windows. You can retouch photos, create compositions and share it with other people on Internet. It allows users to edit various RAW image formats and screen recording.
File type (from-> to)
Convert from cpt file
Corel PHOTO-PAINT bitmap file
|Yes, Corel PaintShop Pro supports cpt file conversion as a source file type.||No||No||No||No||No||No||No|
to png file
Portable Network Graphic
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned cpt to png. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A presentation graphics application for Microsoft Windows, Corel Presentations is a part of Corel WordPerfect Office. Corel Presentations is able to create graphics slideshow presentations.
realConverter is a batch conversion application that supports a wide variety of mainly graphics formats.
Multiplatform software - convert cpt to png on any platform
A free (for non-commercial purposes) powerful cross-platform media browser, viewer and converter. Compatible with more than 500 formats and also supports export to 70 different file formats. It works on Windows, Linux and macOS (OS X).
Conversion cpt to png type 2:
Convert from Pocket Slides presentation file to Portable Network Graphic.
Windows Mobile/CE software - convert cpt to png on Windows Mobile
Pocket Slides enables users to create presentations on their mobile device by viewing and giving presentations. It is the only product on the market that permits the creation and editing of presentations on the mobile device.