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//proc/self/root/usr/share/doc/ImageMagick-6.2.8/www/convert.html
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <style type="text/css"><!-- @import url("../www/magick.css"); //--></style> <title>ImageMagick: Command-line Tools: Convert</title> <meta http-equiv="Content-Language" content="en-US"/> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <meta http-equiv="Reply-to" content="magick-users@imagemagick.org"/> <meta name="Generator" content="PHP"/> <meta name="Keywords" content="command-line, tools:, convert, ImageMagick, PerlMagick, Magick++, Image, Magick"/> <meta name="Description" content="ImageMagick (TM) is a free software suite to create, edit and compose bitmap images. It can read, convert and write images in a large variety of formats. Images can be cropped, colors can be changed, various effects can be applied, images can be rotated and combined, and text, lines, polygons, ellipses and Bézier curves can be added to images and stretched and rotated. ImageMagick is free software: it is delivered with full source code and can be freely used, copied, modified and distributed. Its license is compatible with the GPL. It runs on all major operating systems. Most of the functionality of ImageMagick can be used interactively from the command line; more often, however, the features are used from programs written in the programming languages Perl, C, C++, Python, PHP, Ruby or Java, for which ready-made ImageMagick interfaces (PerlMagick, Magick++, PythonMagick, MagickWand for PHP, RubyMagick, and JMagick) are available. This makes it possible to modify or create images automatically and dynamically. ImageMagick supports many image formats (over 90 major formats) including popular formats like TIFF, JPEG, PNG, PDF, PhotoCD, and GIF."/> <meta name="Rating" content="GENERAL"/> <meta name="Robots" content="INDEX, FOLLOW"/> <meta name="Generator" content="ImageMagick Studio LLC"/> <meta name="Author" content="ImageMagick Studio LLC"/> <meta name="Revisit-after" content="2 DAYS"/> <meta name="Resource-type" content="document"/> <meta name="Copyright" content="Copyright (c) 1999-2006 ImageMagick Studio LLC"/> <meta name="Distribution" content="Global"/> <link rel="shortcut icon" href="/../images/wand.ico" type="image/x-icon"/> </head> <body id="www-imagemagick-org"> <table id="titlebar" style="width: 100%;background-color: #f5f5f5" cellpadding="0" cellspacing="0" border="0" summary="ImageMagick"> <tbody> <tr valign="top"> <td align="left"><a href="../index.html"><img id="titlebar-west" src="../images/script.png" alt="[ImageMagick]" width="350" height="60" border="0" vspace="28" name="titlebar-west" /></a></td> <td width="35%"><br /></td> <td align="left"><a href="http://www.imagemagick.org/" target="1538180523"><img id="titlebar-west" src="../images/sponsor.jpg" alt="[sponsor]" border="0" vspace="28" name="titlebar-west" /></a></td> <td width="65%"><br /></td> <td style="background-color: white" align="right"><a href="../index.html"><img src="../images/sprite.jpg" alt="" width="114" height="118" border="0" name="titlebar-east" /></a></td> <td style="background-color: white" align="right"><a href="../index.html"><img id="titlebar-east" src="../images/logo.jpg" alt="" width="114" height="118" border="0" name="titlebar-east" /></a></td> </tr> </tbody> </table> <table style="width: 100%" border="0" cellpadding="0" cellspacing="0" summary=""> <tbody> <tr valign="top" style="height: 100%;"> <td id="menu" width="1%" height="100%"> <p><a href="#main">Skip to page contents</a></p> <span>[</span> <a href="../index.html">About ImageMagick</a> <a href="../www/command-line-tools.html">Command-line Tools</a> <a href="../www/command-line-processing.html" class="sub">Processing</a> <a href="../www/command-line-options.html" class="sub">Options</a> <a href="../www/api.html">Program Interfaces</a> <a href="../www/magick-wand.html" class="sub">MagickWand</a> <a href="../www/magick-core.html" class="sub">MagickCore</a> <a href="../www/perl-magick.html" class="sub">PerlMagick</a> <a href="../www/architecture.html">Architecture</a> <span>]</span><br /><span>[</span> <a href="../www/install-source.html">Install from Source</a> <a href="../www/install-source.html#unix" class="sub">Unix</a> <a href="../www/install-source.html#windows" class="sub">Windows</a> <a href="../www/binary-releases.html">Binary Releases</a> <a href="../www/binary-releases.html#unix" class="sub">Unix</a> <a href="../www/binary-releases.html#windows" class="sub">Windows</a> <a href="../www/resources.html">Resources</a> <span>]</span><br /><span>[</span> <a href="../www/download.html">Download</a> <span>]</span><br /><span>[</span> <a href="../www/links.html">Links</a> <span>]</span><br /><br /><span>[</span> <a href="../www/sponsors.html">Sponsors</a> <a href="http://www.sharedlog.com" class="sponsor" target="sponsor">Your Free Photo<br />Blog</a><!-- 2007051536 pdt --> <span>]</span> </td> <td id="main" valign="top"> <p class="navigation-index">[<a href="#usage">Example Usage</a> | <a href="#options">Option Summary</a>]</p> <p>Use the <kbd>convert</kbd> program to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more. See <a href="../www/command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>convert</kbd> command or see below for example usages of the command.</p> <div style="margin: auto;"> <h2><a name="usage"></a>Example Usage</h2> </div> <p>We list a few examples of the <kbd>convert</kbd> command here to illustrate its usefulness and ease of use. To get started, lets convert an image in the JPEG format to PNG:</p> <pre class="text"> convert rose.jpg rose.png </pre> <p>Next, we reduce the image size before it is written to the PNG format:</p> <pre class="text"> convert rose.jpg -resize 50% rose.png </pre> <p class="image"> <a href="../images/rose.jpg"><img src="../images/rose.jpg" width="70" height="46" align="middle" alt="rose" /></a> <img src="../images/right.gif" width="20" height="20" align="middle" alt="==>" /> <a href="../images/rose.png"><img src="../images/rose.png" width="35" height="23" align="middle" alt="rose" /></a> </p> <p>You can combine multiple image-processing operations to produce complex results:</p> <pre class="text"> convert -size 320x85 xc:transparent -font Bookman-DemiItalic -pointsize 72 -draw "text 25,60 'Magick'" \ -channel RGBA -gaussian 0x6 -fill darkred -stroke magenta -draw "text 20,55 'Magick'" fuzzy-magick.png </pre> <p class="image"> <a href="../images/fuzzy-magick.png"><img src="../images/fuzzy-magick.png" width="320" height="85" align="middle" alt="fuzzy-magick" /></a> </p> <p>You can find additional examples of using <kbd>convert</kbd> in <a href="http://www-106.ibm.com/developerworks/library/l-graf/?ca=dnt-428" target="429597281">Graphics from the Command Line</a>. Further discussion is available in <a href="http://www-106.ibm.com/developerworks/library/l-graf2/?ca=dgr-lnxw15GraphicsLine" target="1730660630">More Graphics from the Command Line</a> and <a href="http://www.cit.gu.edu.au/~anthony/graphics/imagick6" target="1833845333">Examples of ImageMagick Usage</a>.</p> <div style="margin: auto;"> <h2><a name="options"></a>Option Summary</h2> </div> <p>The <kbd>convert</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p> <table style="width: 100%" id="table" cellpadding="2" cellspacing="0"> <tbody> <tr> <th align="left">Option</th> <th align="left">Description</th> </tr> <tr> <td><a href="../www/command-line-options.html#adaptive-sharpen" target="magick-options">–adaptive-sharpen <em class="option">geometry</em></a></td> <td>adaptively sharpen pixels; increase effect near edges</td> </tr> <tr> <td><a href="../www/command-line-options.html#adjoin" target="magick-options">–adjoin</a></td> <td>join images into a single multi-image file</td> </tr> <tr> <td><a href="../www/command-line-options.html#affine" target="magick-options">–affine <em class="option">matrix</em></a></td> <td>affine transform matrix</td> </tr> <tr> <td><a href="../www/command-line-options.html#annotate" target="magick-options">–annotate <em class="option">geometry text</em></a></td> <td>annotate the image with text</td> </tr> <tr> <td><a href="../www/command-line-options.html#antialias" target="magick-options">–antialias</a></td> <td>remove pixel-aliasing</td> </tr> <tr> <td><a href="../www/command-line-options.html#append" target="magick-options">–append</a></td> <td>append an image sequence</td> </tr> <tr> <td><a href="../www/command-line-options.html#authenticate" target="magick-options">–authenticate <em class="option">value</em></a></td> <td>decrypt image with this password</td> </tr> <tr> <td><a href="../www/command-line-options.html#average" target="magick-options">–average</a></td> <td>average an image sequence</td> </tr> <tr> <td><a href="../www/command-line-options.html#background" target="magick-options">–background <em class="option">color</em></a></td> <td>background color</td> </tr> <tr> <td><a href="../www/command-line-options.html#bias" target="magick-options">–bias <em class="option">value</em></a></td> <td>add bias when convolving an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#black-threshold" target="magick-options">–black-threshold <em class="option">value</em></a></td> <td>force all pixels below the threshold into black</td> </tr> <tr> <td><a href="../www/command-line-options.html#blue-primary" target="magick-options">–blue-primary <em class="option">point</em></a></td> <td>chromaticity blue primary point</td> </tr> <tr> <td><a href="../www/command-line-options.html#blur" target="magick-options">–blur <em class="option">geometry</em></a></td> <td>blur the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#border" target="magick-options">–border <em class="option">geometry</em></a></td> <td>surround image with a border of color</td> </tr> <tr> <td><a href="../www/command-line-options.html#bordercolor" target="magick-options">–bordercolor <em class="option">color</em></a></td> <td>border color</td> </tr> <tr> <td><a href="../www/command-line-options.html#channel" target="magick-options">–channel <em class="option">type</em></a></td> <td>apply option to select image channels</td> </tr> <tr> <td><a href="../www/command-line-options.html#charcoal" target="magick-options">–charcoal <em class="option">radius</em></a></td> <td>simulate a charcoal drawing</td> </tr> <tr> <td><a href="../www/command-line-options.html#chop" target="magick-options">–chop <em class="option">geometry</em></a></td> <td>remove pixels from the image interior</td> </tr> <tr> <td><a href="../www/command-line-options.html#clip" target="magick-options">–clip</a></td> <td>clip along the first path from the 8BIM profile</td> </tr> <tr> <td><a href="../www/command-line-options.html#clip-path" target="magick-options">–clip-path <em class="option">id</em></a></td> <td>clip along a named path from the 8BIM profile</td> </tr> <tr> <td><a href="../www/command-line-options.html#clone" target="magick-options">–clone <em class="option">index</em></a></td> <td>clone an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#contrast-stretch" target="magick-options">–contrast-stretch <em class="option">geometry</em></a></td> <td>improve the contrast in an image by `stretching' the range of intensity value</td> </tr> <tr> <td><a href="../www/command-line-options.html#coalesce" target="magick-options">–coalesce</a></td> <td>merge a sequence of images</td> </tr> <tr> <td><a href="../www/command-line-options.html#colorize" target="magick-options">–colorize <em class="option">value</em></a></td> <td>colorize the image with the fill color</td> </tr> <tr> <td><a href="../www/command-line-options.html#colors" target="magick-options">–colors <em class="option">value</em></a></td> <td>preferred number of colors in the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#colorspace" target="magick-options">–colorspace <em class="option">type</em></a></td> <td>alternate image colorspace</td> </tr> <tr> <td><a href="../www/command-line-options.html#combine" target="magick-options">–combine</a></td> <td>combine a sequence of images</td> </tr> <tr> <td><a href="../www/command-line-options.html#comment" target="magick-options">–comment <em class="option">string</em></a></td> <td>annotate image with comment</td> </tr> <tr> <td><a href="../www/command-line-options.html#compose" target="magick-options">–compose <em class="option">operator</em></a></td> <td>set image composite operator</td> </tr> <tr> <td><a href="../www/command-line-options.html#composite" target="magick-options">–composite</a></td> <td>composite image</td> </tr> <tr> <td><a href="../www/command-line-options.html#compress" target="magick-options">–compress <em class="option">type</em></a></td> <td>image compression type</td> </tr> <tr> <td><a href="../www/command-line-options.html#contrast" target="magick-options">–contrast</a></td> <td>enhance or reduce the image contrast</td> </tr> <tr> <td><a href="../www/command-line-options.html#convolve" target="magick-options">–convolve <em class="option">coefficients</em></a></td> <td>apply a convolution kernel to the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#crop" target="magick-options">–crop <em class="option">geometry</em></a></td> <td>crop the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#cycle" target="magick-options">–cycle <em class="option">amount</em></a></td> <td>cycle the image colormap</td> </tr> <tr> <td><a href="../www/command-line-options.html#debug" target="magick-options">–debug <em class="option">events</em></a></td> <td>display copious debugging information</td> </tr> <tr> <td><a href="../www/command-line-options.html#define" target="magick-options">–define <em class="option">format:option</em></a></td> <td>define one or more image format options</td> </tr> <tr> <td><a href="../www/command-line-options.html#deconstruct" target="magick-options">–deconstruct</a></td> <td>break down an image sequence into constituent parts</td> </tr> <tr> <td><a href="../www/command-line-options.html#delay" target="magick-options">–delay <em class="option">value</em></a></td> <td>display the next image after pausing</td> </tr> <tr> <td><a href="../www/command-line-options.html#delete" target="magick-options">–delete <em class="option">index</em></a></td> <td>delete the image from the image sequence</td> </tr> <tr> <td><a href="../www/command-line-options.html#density" target="magick-options">–density <em class="option">geometry</em></a></td> <td>horizontal and vertical density of the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#depth" target="magick-options">–depth <em class="option">value</em></a></td> <td>image depth</td> </tr> <tr> <td><a href="../www/command-line-options.html#despeckle" target="magick-options">–despeckle</a></td> <td>reduce the speckles within an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#display" target="magick-options">–display <em class="option">server</em></a></td> <td>get image or font from this X server</td> </tr> <tr> <td><a href="../www/command-line-options.html#dispose" target="magick-options">–dispose <em class="option">method</em></a></td> <td>GIF disposal method</td> </tr> <tr> <td><a href="../www/command-line-options.html#dither" target="magick-options">–dither</a></td> <td>apply Floyd/Steinberg error diffusion to image</td> </tr> <tr> <td><a href="../www/command-line-options.html#draw" target="magick-options">–draw <em class="option">string</em></a></td> <td>annotate the image with a graphic primitive</td> </tr> <tr> <td><a href="../www/command-line-options.html#edge" target="magick-options">–edge <em class="option">radius</em></a></td> <td>apply a filter to detect edges in the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#emboss" target="magick-options">–emboss <em class="option">radius</em></a></td> <td>emboss an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#encoding" target="magick-options">–encoding <em class="option">type</em></a></td> <td>text encoding type</td> </tr> <tr> <td><a href="../www/command-line-options.html#endian" target="magick-options">–endian <em class="option">type</em></a></td> <td>endianness (MSB or LSB) of the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#enhance" target="magick-options">–enhance</a></td> <td>apply a digital filter to enhance a noisy image</td> </tr> <tr> <td><a href="../www/command-line-options.html#equalize" target="magick-options">–equalize</a></td> <td>perform histogram equalization to an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#evaluate" target="magick-options">–evaluate <em class="option">operator value</em></a></td> <td>evaluate an arithmetic, relational, or logical expression</td> </tr> <tr> <td><a href="../www/command-line-options.html#extent" target="magick-options">–extent <em class="option">geometry</em></a></td> <td>set the image size</td> </tr> <tr> <td><a href="../www/command-line-options.html#extract" target="magick-options">–extract <em class="option">geometry</em></a></td> <td>extract area from image</td> </tr> <tr> <td><a href="../www/command-line-options.html#family" target="magick-options">–family <em class="option">name</em></a></td> <td>render text with this font family</td> </tr> <tr> <td><a href="../www/command-line-options.html#fill" target="magick-options">–fill <em class="option">color</em></a></td> <td>color to use when filling a graphic primitive</td> </tr> <tr> <td><a href="../www/command-line-options.html#filter" target="magick-options">–filter <em class="option">type</em></a></td> <td>use this filter when resizing an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#flatten" target="magick-options">–flatten</a></td> <td>flatten a sequence of images</td> </tr> <tr> <td><a href="../www/command-line-options.html#flip" target="magick-options">–flip</a></td> <td>flip image in the vertical direction</td> </tr> <tr> <td><a href="../www/command-line-options.html#floodfill" target="magick-options">–floodfill <em class="option">geometry color</em></a></td> <td>floodfill the image with color</td> </tr> <tr> <td><a href="../www/command-line-options.html#flop" target="magick-options">–flop</a></td> <td>flop image in the horizontal direction</td> </tr> <tr> <td><a href="../www/command-line-options.html#font" target="magick-options">–font <em class="option">name</em></a></td> <td>render text with this font</td> </tr> <tr> <td><a href="../www/command-line-options.html#format" target="magick-options">–format <em class="option">string</em></a></td> <td>output formatted image characteristics</td> </tr> <tr> <td><a href="../www/command-line-options.html#frame" target="magick-options">–frame <em class="option">geometry</em></a></td> <td>surround image with an ornamental border</td> </tr> <tr> <td><a href="../www/command-line-options.html#fuzz" target="magick-options">–fuzz <em class="option">distance</em></a></td> <td>colors within this distance are considered equal</td> </tr> <tr> <td><a href="../www/command-line-options.html#fx" target="magick-options">–fx <em class="option">expression</em></a></td> <td>apply mathematical expression to an image channel(s)</td> </tr> <tr> <td><a href="../www/command-line-options.html#gamma" target="magick-options">–gamma <em class="option">value</em></a></td> <td>level of gamma correction</td> </tr> <tr> <td><a href="../www/command-line-options.html#gaussian" target="magick-options">–gaussian <em class="option">geometry</em></a></td> <td>gaussian blur an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#geometry" target="magick-options">–geometry <em class="option">geometry</em></a></td> <td>preferred size or location of the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#gravity" target="magick-options">–gravity <em class="option">type</em></a></td> <td>horizontal and vertical text placement</td> </tr> <tr> <td><a href="../www/command-line-options.html#green-primary" target="magick-options">–green-primary <em class="option">point</em></a></td> <td>chromaticity green primary point</td> </tr> <tr> <td><a href="../www/command-line-options.html#help" target="magick-options">–help</a></td> <td>print program options</td> </tr> <tr> <td><a href="../www/command-line-options.html#identify" target="magick-options">–identify</a></td> <td>identify the format and characteristics of the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#implode" target="magick-options">–implode <em class="option">amount</em></a></td> <td>implode image pixels about the center</td> </tr> <tr> <td><a href="../www/command-line-options.html#insert" target="magick-options">–insert <em class="option">index</em></a></td> <td>insert last image into the image sequence</td> </tr> <tr> <td><a href="../www/command-line-options.html#intent" target="magick-options">–intent <em class="option">type</em></a></td> <td>type of rendering intent when managing the image color</td> </tr> <tr> <td><a href="../www/command-line-options.html#interlace" target="magick-options">–interlace <em class="option">type</em></a></td> <td>type of image interlacing scheme</td> </tr> <tr> <td><a href="../www/command-line-options.html#label" target="magick-options">–label <em class="option">name</em></a></td> <td>assign a label to an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#lat" target="magick-options">–lat <em class="option">geometry</em></a></td> <td>local adaptive thresholding</td> </tr> <tr> <td><a href="<br /> <b>Notice</b>: Undefined index: Relayers in <b>/var/www/html/ImageMagick/include/convert.html</b> on line <b>459</b><br /> /../www/command-line-options.html#layers" target="magick-options">–layers <em class="option">method</em></a></td> <td>optimize or compare image layers</td> </tr> <tr> <tr> <td><a href="../www/command-line-options.html#level" target="magick-options">–level <em class="option">value</em></a></td> <td>adjust the level of image contrast</td> </tr> <tr> <td><a href="../www/command-line-options.html#limit" target="magick-options">–limit <em class="option">type value</em></a></td> <td>pixel cache resource limit</td> </tr> <tr> <td><a href="../www/command-line-options.html#log" target="magick-options">–log <em class="option">format</em></a></td> <td>format of debugging information</td> </tr> <tr> <td><a href="../www/command-line-options.html#loop" target="magick-options">–loop <em class="option">iterations</em></a></td> <td>add Netscape loop extension to your GIF animation</td> </tr> <tr> <td><a href="../www/command-line-options.html#map" target="magick-options">–map <em class="option">filename</em></a></td> <td>transform image colors to match this set of colors</td> </tr> <tr> <td><a href="../www/command-line-options.html#mask" target="magick-options">–mask <em class="option">filename</em></a></td> <td>set the image clip mask</td> </tr> <tr> <td><a href="../www/command-line-options.html#matte" target="magick-options">–matte</a></td> <td>store matte channel if the image has one</td> </tr> <tr> <td><a href="../www/command-line-options.html#mattecolor" target="magick-options">–mattecolor <em class="option">color</em></a></td> <td>frame color</td> </tr> <tr> <td><a href="../www/command-line-options.html#median" target="magick-options">–median <em class="option">radius</em></a></td> <td>apply a median filter to the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#modulate" target="magick-options">–modulate <em class="option">value</em></a></td> <td>vary the brightness, saturation, and hue</td> </tr> <tr> <td><a href="../www/command-line-options.html#monitor" target="magick-options">–monitor</a></td> <td>monitor progress</td> </tr> <tr> <td><a href="../www/command-line-options.html#monochrome" target="magick-options">–monochrome</a></td> <td>transform image to black and white</td> </tr> <tr> <td><a href="../www/command-line-options.html#morph" target="magick-options">–morph <em class="option">value</em></a></td> <td>morph an image sequence</td> </tr> <tr> <td><a href="../www/command-line-options.html#mosaic" target="magick-options">–mosaic</a></td> <td>create a mosaic from an image sequence</td> </tr> <tr> <td><a href="../www/command-line-options.html#blur" target="magick-options">–motion-blur <em class="option">geometry</em></a></td> <td>simulate motion blur</td> </tr> <tr> <td><a href="../www/command-line-options.html#negate" target="magick-options">–negate</a></td> <td>replace every pixel with its complementary color </td> </tr> <tr> <td><a href="../www/command-line-options.html#noise" target="magick-options">–noise <em class="option">radius</em></a></td> <td>add or reduce noise in an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#normalize" target="magick-options">–normalize</a></td> <td>transform image to span the full range of colors</td> </tr> <tr> <td><a href="../www/command-line-options.html#opaque" target="magick-options">–opaque <em class="option">color</em></a></td> <td>change this color to the fill color</td> </tr> <tr> <td><a href="../www/command-line-options.html#ordered-dither" target="magick-options">–ordered-dither <em class="option">NxN</em></a></td> <td>ordered dither the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#orient" target="magick-options">–orient <em class="option">type</em></a></td> <td>image orientation</td> </tr> <tr> <td><a href="../www/command-line-options.html#page" target="magick-options">–page <em class="option">geometry</em></a></td> <td>size and location of an image canvas (setting)</td> </tr> <tr> <td><a href="../www/command-line-options.html#paint" target="magick-options">–paint <em class="option">radius</em></a></td> <td>simulate an oil painting</td> </tr> <tr> <td><a href="../www/command-line-options.html#ping" target="magick-options">–ping</a></td> <td>efficiently determine image attributes</td> </tr> <tr> <td><a href="../www/command-line-options.html#pointsize" target="magick-options">–pointsize <em class="option">value</em></a></td> <td>font point size</td> </tr> <tr> <td><a href="../www/command-line-options.html#posterize" target="magick-options">–posterize <em class="option">levels</em></a></td> <td>reduce the image to a limited number of color levels</td> </tr> <tr> <td><a href="../www/command-line-options.html#preview" target="magick-options">–preview <em class="option">type</em></a></td> <td>image preview type</td> </tr> <tr> <td><a href="../www/command-line-options.html#print" target="magick-options">–print <em class="option">string</em></a></td> <td>interpret string and print to console</td> </tr> <tr> <td><a href="../www/command-line-options.html#process" target="magick-options">–process <em class="option">image-filter</em></a></td> <td>process the image with a custom image filter</td> </tr> <tr> <td><a href="../www/command-line-options.html#profile" target="magick-options">–profile <em class="option">filename</em></a></td> <td>add, delete, or apply an image profile</td> </tr> <tr> <td><a href="../www/command-line-options.html#quality" target="magick-options">–quality <em class="option">value</em></a></td> <td>JPEG/MIFF/PNG compression level</td> </tr> <tr> <td><a href="../www/command-line-options.html#quiet" target="magick-options">–quiet</a></td> <td>suppress all error or warning messages</td> </tr> <tr> <td><a href="../www/command-line-options.html#radial-blur" target="magick-options">–radial-blur <em class="option">angle</em></a></td> <td>radial blur the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#raise" target="magick-options">–raise <em class="option">value</em></a></td> <td>lighten/darken image edges to create a 3-D effect</td> </tr> <tr> <td><a href="../www/command-line-options.html#random-threshold" target="magick-options">–random-threshold <em class="option">low,high</em></a></td> <td>random threshold the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#red-primary" target="magick-options">–red-primary <em class="option">point</em></a></td> <td>chromaticity red primary point</td> </tr> <tr> <td><a href="../www/command-line-options.html#region" target="magick-options">–region <em class="option">geometry</em></a></td> <td>apply options to a portion of the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#render" target="magick-options">–render</a></td> <td>render vector graphics</td> </tr> <tr> <td><a href="../www/command-line-options.html#repage" target="magick-options">–repage <em class="option">geometry</em></a></td> <td>size and location of an image canvas</td> </tr> <tr> <td><a href="../www/command-line-options.html#resample" target="magick-options">–resample <em class="option">geometry</em></a></td> <td>change the resolution of an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#resize" target="magick-options">–resize <em class="option">geometry</em></a></td> <td>resize the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#roll" target="magick-options">–roll <em class="option">geometry</em></a></td> <td>roll an image vertically or horizontally</td> </tr> <tr> <td><a href="../www/command-line-options.html#rotate" target="magick-options">–rotate <em class="option">degrees</em></a></td> <td>apply Paeth rotation to the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#sample" target="magick-options">–sample <em class="option">geometry</em></a></td> <td>scale image with pixel sampling</td> </tr> <tr> <td><a href="../www/command-line-options.html#sampling-factor" target="magick-options">–sampling-factor <em class="option">geometry</em></a></td> <td>horizontal and vertical sampling factor</td> </tr> <tr> <td><a href="../www/command-line-options.html#scale" target="magick-options">–scale <em class="option">geometry</em></a></td> <td>scale the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#scene" target="magick-options">–scene <em class="option">value</em></a></td> <td>image scene number</td> </tr> <tr> <td><a href="../www/command-line-options.html#seed" target="magick-options">–seed <em class="option">value</em></a></td> <td>pseudo-random number generator seed value</td> </tr> <tr> <td><a href="../www/command-line-options.html#segment" target="magick-options">–segment <em class="option">values</em></a></td> <td>segment an image</td> </tr> <tr> <td><a href="../www/command-line-options.html#separate" target="magick-options">–separate</a></td> <td>separate an image channel into a grayscale image</td> </tr> <tr> <td><a href="../www/command-line-options.html#sepia-tone" target="magick-options">–sepia-tone <em class="option">threshold</em></a></td> <td>simulate a sepia-toned photo</td> </tr> <tr> <td><a href="../www/command-line-options.html#set" target="magick-options">–set <em class="option">attribute value</em></a></td> <td>set an image attribute</td> </tr> <tr> <td><a href="../www/command-line-options.html#shade" target="magick-options">–shade <em class="option">degrees</em></a></td> <td>shade the image using a distant light source</td> </tr> <tr> <td><a href="../www/command-line-options.html#shadow" target="magick-options">–shadow <em class="option">geometry</em></a></td> <td>simulate an image shadow</td> </tr> <tr> <td><a href="../www/command-line-options.html#sharpen" target="magick-options">–sharpen <em class="option">geometry</em></a></td> <td>sharpen the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#shave" target="magick-options">–shave <em class="option">geometry</em></a></td> <td>shave pixels from the image edges</td> </tr> <tr> <td><a href="../www/command-line-options.html#shear" target="magick-options">–shear <em class="option">geometry</em></a></td> <td>slide one edge of the image along the X or Y axis</td> </tr> <tr> <td><a href="../www/command-line-options.html#sigmoidal" target="magick-options">–sigmoidal-contrast <em class="option">geometry</em></a></td> <td>image lightness rescaling using sigmoidal contrast enhancement</td> </tr> <tr> <td><a href="../www/command-line-options.html#size" target="magick-options">–size <em class="option">geometry</em></a></td> <td>width and height of image</td> </tr> <tr> <td><a href="../www/command-line-options.html#solarize" target="magick-options">–solarize <em class="option">threshold</em></a></td> <td>negate all pixels above the threshold level</td> </tr> <tr> <td><a href="../www/command-line-options.html#splice" target="magick-options">–splice <em class="option">geometry</em></a></td> <td>splice the background color into the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#spread" target="magick-options">–spread <em class="option">amount</em></a></td> <td>displace image pixels by a random amount</td> </tr> <tr> <td><a href="../www/command-line-options.html#strip" target="magick-options">–strip</a></td> <td>strip image of all profiles and comments</td> </tr> <tr> <td><a href="../www/command-line-options.html#stroke" target="magick-options">–stroke <em class="option">color</em></a></td> <td>graphic primitive stroke color</td> </tr> <tr> <td><a href="../www/command-line-options.html#strokewidth" target="magick-options">–strokewidth <em class="option">value</em></a></td> <td>graphic primitive stroke width</td> </tr> <tr> <td><a href="../www/command-line-options.html#stretch" target="magick-options">–stretch <em class="option">type</em></a></td> <td>render text with this font stretch</td> </tr> <tr> <td><a href="../www/command-line-options.html#style" target="magick-options">–style <em class="option">type</em></a></td> <td>render text with this font style</td> </tr> <tr> <td><a href="../www/command-line-options.html#support" target="magick-options">–support <em class="option">factor</em></a></td> <td>resize support: > 1.0 is blurry, < 1.0 is sharp</td> </tr> <tr> <td><a href="../www/command-line-options.html#swap" target="magick-options">–swap <em class="option">indexes</em></a></td> <td>swap two images in the image sequence</td> </tr> <tr> <td><a href="../www/command-line-options.html#swirl" target="magick-options">–swirl <em class="option">degrees</em></a></td> <td>swirl image pixels about the center</td> </tr> <tr> <td><a href="../www/command-line-options.html#texture" target="magick-options">–texture <em class="option">filename</em></a></td> <td>name of texture to tile onto the image background</td> </tr> <tr> <td><a href="../www/command-line-options.html#threshold" target="magick-options">–threshold <em class="option">value</em></a></td> <td>threshold the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#thumbnail" target="magick-options">–thumbnail <em class="option">geometry</em></a></td> <td>create a thumbnail of the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#tile" target="magick-options">–tile <em class="option">filename</em></a></td> <td>tile image when filling a graphic primitive</td> </tr> <tr> <td><a href="../www/command-line-options.html#tint" target="magick-options">–tint <em class="option">value</em></a></td> <td>tint the image with the fill color</td> </tr> <tr> <td><a href="../www/command-line-options.html#transform" target="magick-options">–transform</a></td> <td>affine transform image</td> </tr> <tr> <td><a href="../www/command-line-options.html#transparent" target="magick-options">–transparent <em class="option">color</em></a></td> <td>make this color transparent within the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#treedepth" target="magick-options">–treedepth <em class="option">value</em></a></td> <td>color tree depth</td> </tr> <tr> <td><a href="../www/command-line-options.html#trim" target="magick-options">–trim</a></td> <td>trim image edges</td> </tr> <tr> <td><a href="../www/command-line-options.html#type" target="magick-options">–type <em class="option">type</em></a></td> <td>image type</td> </tr> <tr> <td><a href="../www/command-line-options.html#undercolor" target="magick-options">–undercolor <em class="option">color</em></a></td> <td>annotation bounding box color</td> </tr> <tr> <td><a href="../www/command-line-options.html#units" target="magick-options">–units <em class="option">type</em></a></td> <td>the units of image resolution</td> </tr> <tr> <td><a href="../www/command-line-options.html#unsharp" target="magick-options">–unsharp <em class="option">geometry</em></a></td> <td>sharpen the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#verbose" target="magick-options">–verbose</a></td> <td>print detailed information about the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#version" target="magick-options">–version</a></td> <td>print version information</td> </tr> <tr> <td><a href="../www/command-line-options.html#view" target="magick-options">–view</a></td> <td>FlashPix viewing transforms</td> </tr> <tr> <td><a href="../www/command-line-options.html#vignette" target="magick-options">–vignette <em class="option">geometry</em></a></td> <td>soften the edges of the image in vignette style</td> </tr> <tr> <td><a href="../www/command-line-options.html#virtual-pixel" target="magick-options">–virtual-pixel <em class="option">method</em></a></td> <td>access method for pixels outside the boundaries of the image</td> </tr> <tr> <td><a href="../www/command-line-options.html#wave" target="magick-options">–wave <em class="option">geometry</em></a></td> <td>alter an image along a sine wave</td> </tr> <tr> <td><a href="../www/command-line-options.html#weight" target="magick-options">–weight <em class="option">type</em></a></td> <td>render text with this font weight</td> </tr> <tr> <td><a href="../www/command-line-options.html#white-point" target="magick-options">–white-point <em class="option">point</em></a></td> <td>chromaticity white point</td> </tr> <tr> <td><a href="../www/command-line-options.html#white-threshold" target="magick-options">–white-threshold <em class="option">value</em></a></td> <td>force all pixels above the threshold into white</td> </tr> <tr> <td><a href="../www/command-line-options.html#write" target="magick-options">–write <em class="option">filename</em></a></td> <td>write images to this file</td> </tr> </tbody> </table> </td> <td id="margin" width="1%" height="100%" valign="top" align="right"> </td> </tr> </tbody> </table> <div id="linkbar"> <a href="http://redux.imagemagick.org/discussion-server" target="446383095">Discourse Server</a> | <a href="../www/mailing-list.html">Mailing Lists</a> | <a href="http://redux.imagemagick.org/gallery" target="84149724">Image Gallery</a> | <a 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