| Option | Description | 
  
    | -adjoin | join images into a single multi-image file | 
 
  
    | -annotate geometry text | annotate the image with text | 
  
    | -border | include image borders in the output image | 
  
    | -channel type | apply option to select image channels | 
  
    | -colors value | preferred number of colors in the image | 
  
    | -colorspace type | set image colorspace | 
  
    | -comment string | annotate image with comment | 
  
    | -compress type | image compression type | 
  
    | -contrast | enhance or reduce the image contrast | 
  
    | -crop geometry | preferred size and location of the cropped image | 
  
    | -debug events | import copious debugging information | 
  
    | -define format:option | define one or more image format options | 
  
    | -delay value | import the next image after pausing | 
  
    | -density geometry | horizontal and vertical density of the image | 
  
    | -depth value | image depth | 
  
    | -descend | obtain image by descending window hierarchy | 
  
    | -display server | get image or font from this X server | 
  
    | -dispose method | layer disposal method | 
  
    | -dither  method | apply error diffusion to image | 
  
    | -encipher filename | convert plain pixels to cipher pixels | 
  
    | -encoding type | text encoding type | 
  
    | -endian type | endianness (MSB or LSB) of the image | 
  
    | -filter type | use this filter when resizing an image | 
  
    | -frame | include window manager frame | 
  
    | -geometry geometry | preferred size or location of the image | 
  
    | -gravity type | horizontal and vertical text placement | 
  
    | -help | print program options | 
  
    | -identify | identify the format and characteristics of the image | 
  
    | -interlace type | type of image interlacing scheme | 
  
    | -interpolate method | pixel color interpolation method | 
  
    | -label name | assign a label to an image | 
  
    | -limit type value | pixel cache resource limit | 
  
    | -log format | format of debugging information | 
  
    | -monitor | monitor progress | 
  
    | -monochrome | transform image to black and white | 
  
    | -negate | replace every pixel with its complementary color | 
  
    | -page geometry | size and location of an image canvas (setting) | 
  
    | -quality value | JPEG/MIFF/PNG compression level | 
  
    | -quantize colorspace | reduce image colors in this colorspace | 
  
    | -quiet | suppress all warning messages | 
  
    | -quiet | suppress all warning messages | 
  
    | -regard-warnings | pay attention to warning messages. | 
  
    | -repage geometry | size and location of an image canvas | 
  
    | -resize geometry | resize the image | 
  
    | -respect-parenthesis | settings remain in effect until parenthesis boundary. | 
  
    | -rotate degrees | apply Paeth rotation to the image | 
  
    | -sampling-factor geometry | horizontal and vertical sampling factor | 
  
    | -scene value | image scene number | 
  
    | -screen | select image from root window | 
  
    | -seed value | seed a new sequence of pseudo-random numbers | 
  
    | -set attribute value | set an image attribute | 
  
    | -silent | operate silently, i.e. don't ring any bells | 
  
    | -strip | strip image of all profiles and comments | 
  
    | -transparent-color color | transparent color | 
  
    | -trim | trim image edges | 
  
    | -type type | image type | 
  
    | -verbose | print detailed information about the image | 
  
    | -version | print version information | 
  
    | -virtual-pixel method | access method for pixels outside the boundaries of the image | 
  
    | -window id | select window with this id or name |