Characterizer is freeware "One form" application for converting images to ascii text (ASCII art). Characterizer support JPG, BMP and WMF source images. Result is plain text file.
You can set result size (width x height in characters), destination font size. There is implemented more render methods like photo, shape or contour blur. User can define own character set for rendering.
Characterizer support four rendering modes, color inverting and adding random noise.