Free Online PPTM to HDR Converter

A file that stores macro-enabled slide shows and presentations. It was introduced together with the development of PowerPoint 2007. PPTM stores audio, video, images and text with different formatting styles. The file contains an XML structure and can handle embedded macros. To use embedded macros in PPTX, you must first save the file as .PPTM.

This format is used for storing bitmap images with improved levels of color and brightness performance. It combines exposures to record darker tones in the shadows or detail in the lighter areas of a given photo. HDR is able to combine multiple images with different levels of light distribution. It is used to create rich images.