OTB to PPM Converter
Convert your otb files to ppm online & free
How to convert OTB to PPM
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to ppm"
Choose ppm or any other format you need as a result (more than 200 formats supported)
Download your ppm
Let the file convert and you can download your ppm file right afterwards