![]() conserve-memory Conserve memory usage at the expense of processing time. careful option if you are having problems with a The correct, minimal GIFs that Gifsicle produces. Some Java and Internet Explorer versions cannot display careful Write slightly larger GIFs that avoid bugs in some other GIF version Print the version number and some short non-warranty information and exit. no-ignore-errors Exit with status 1 when encountering a very erroneous GIF. V Print progress information (files read and written) to standard error. sinfo Like -info, but also print information aboutįile Send output to file. xinfo Like -info, but also print any unrecognized GIF cinfo Like -info, but also print information about input Information is printed to standard error, and normal output takes place as Option suppresses normal output, and cannot be combined with mode options Output, or whatever file you specify with -o. I Print a human-readable description of each input GIF to the standard General options control the information gifsicle prints and explode-by-name, -E Same as -explode, but write any named frames to Specified with ‘ -output’) and the numeric extension Where ‘xxx’ is the name of the input file (or whatever you The output GIFsĪre named ‘xxx.000’, ‘xxx.001’, and so on, e Create an output GIF for each frame of each input file. (GIFs read from the standard input are written to the standard b Modify each GIF input in place by reading and writing to the sameįilename. m Combine all GIF inputs into one file with multiple frames and write thatįile to the standard output. There can be at most one, and it must precede any GIF inputs. Mode options tell gifsicle what kind of output to generate. ‘ -no-option’, which turns off the option. You can combine short options if they don't take arguments:īut be careful with options that do take arguments: Some options also have a short form, ‘ -X’. Whole long descriptive name, just enough to make it unambiguous. Gifsicle exits with status 0 if there were no errors and No GIF input file is given, or you give the special filename ![]() Gifsicle reads and processes GIF input files in order. Kind of option, start with a number sign (#). Most options start with a dash (-) or plus (+) frame selections, a ![]() ![]() Gifsicle's command line consists of GIF input files and Transformations cropping -crop, -crop-transparency flipping -flip-* resizing -resize, -scale rotating -rotate-* Grayscale -use-colormap Interlacing -interlace Positioningįrames -position Screen, logical -logical-screen Selectingįrames frame selections (like '#0') Transparency -transparent Warnings -no-warnings COMMAND LINE transform-colormap reducing number -colors, -dither, -gamma Comments -comment Extensions -extension, -app-extension, -extension-info File size -optimize, -unoptimize, -colors, disposal -disposal looping -loopcount portions of frame selections smaller -optimize, -colors, -lossy speed -delay Bad output -careful BackgroundĬhanging -change-color, -use-colormap, -dither, CONCEPT INDEXĬoncepts are on the left, relevant gifsicle options are onĬhanging frame selections, frame changes, etc. Two other programs are included with gifsicle: gifview is a lightweight animated-GIF viewer which can show animations as slideshows or in real time, and gifdiff compares two GIFs for identical visual appearance.New users may want to skip to the Examples section at the end. Unoptimizing animations, which makes them easier to edit. Gifsicle’s optimizer is pretty powerful, and usually reduces animations to within a couple bytes of the best commercial optimizers. You can also use transparency to make them even smaller. Optimize your animations! This stores only the changed portion of each frame, and can radically shrink your GIFs. It can shrink colormaps and change images to use the Web-safe palette (or any colormap you choose). Prints detailed information about GIFs, including comments.Ĭontrol over interlacing, comments, looping, transparency.Ĭreates well-behaved GIFs: removes redundant colors, only uses local color tables if it absolutely has to (local color tables waste space and can cause viewing artifacts), etc. Making a GIF animation with gifsicle is easy. Gifsicle is a command-line tool for creating, editing, and getting information about GIF images and animations. ![]()
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