Free Online CGM to PPM Converter
CGM
to
PPM
CGM
Computer Graphics Metafile
This is used to exchange vector graphics among different platforms. It stores not only 2D vector images, but also raster images. It allows you to store a large number of graphical information types and is applied primarily for design in aviation, engineering and other technical fields.
PPM
Portable Pixmap
PPM is a simple format for storing images portable pixmap: color (PPM), grayscale (PGM) and black and white (PBM). These formats can provide an intermediate representation of the data when converting raster image files listed three types between different platforms. PPM format was developed by Jeff Poskanzerom.
How To Convert CGM to PPM

Step 1: Upload Files
Click the upload button or drag and drop your CGM files into the upload area.

Step 2: Convert File
Click "Convert" and wait for conversion done

Step 3: Download
Download the converted PPM file