Nodejs-based tool for optimizing SVG vector graphics files.
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Latest commit 975a9ff Aug 25, 2016 @GreLI GreLI 0.7.0

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SVG Optimizer is a Nodejs-based tool for optimizing SVG vector graphics files.

Why?

SVG files, especially exported from various editors, usually contain a lot of redundant and useless information such as editor metadata, comments, hidden elements, default or non-optimal values and other stuff that can be safely removed or converted without affecting SVG rendering result.

What it can do

SVGO has a plugin-based architecture, so almost every optimization is a separate plugin.

Today we have:

Want to know how it works and how to write your own plugin? Of course you want to.

How to use

$ [sudo] npm install -g svgo
Usage:
  svgo [OPTIONS] [ARGS]

Options:
  -h, --help : Help
  -v, --version : Version
  -i INPUT, --input=INPUT : Input file, "-" for STDIN
  -s STRING, --string=STRING : Input SVG data string
  -f FOLDER, --folder=FOLDER : Input folder, optimize and rewrite all *.svg files
  -o OUTPUT, --output=OUTPUT : Output file or folder (by default the same as the input), "-" for STDOUT
  -p PRECISION, --precision=PRECISION : Set number of digits in the fractional part, overrides plugins params
  --config=CONFIG : Config file to extend or replace default
  --disable=DISABLE : Disable plugin by name
  --enable=ENABLE : Enable plugin by name
  --datauri=DATAURI : Output as Data URI string (base64, URI encoded or unencoded)
  -q, --quiet : Only output error messages, not regular status messages
  --pretty : Make SVG pretty printed
  --show-plugins : Show available plugins and exit
  --multipass : Enable multipass
  --indent=INDENT : Indent number when pretty printing SVGs

Arguments:
  INPUT : Alias to --input
  OUTPUT : Alias to --output
  • with files:

    $ svgo test.svg
    

    or:

    $ svgo test.svg test.min.svg
    
  • with STDIN / STDOUT:

    $ cat test.svg | svgo -i - -o - > test.min.svg
    
  • with folder

    $ svgo -f ../path/to/folder/with/svg/files
    

    or:

    $ svgo -f ../path/to/folder/with/svg/files -o ../path/to/folder/with/svg/output
    
  • with strings:

    $ svgo -s '<svg version="1.1">test</svg>' -o test.min.svg
    

    or even with Data URI base64:

    $ svgo -s 'data:image/svg+xml;base64,…' -o test.min.svg
    
  • with SVGZ:

    from .svgz to .svg:

    $ gunzip -c test.svgz | svgo -i - -o test.min.svg
    

    from .svg to .svgz:

    $ svgo test.svg -o - | gzip -cfq9 > test.svgz
    
  • with GUI – svgo-gui

  • as a web app - SVGOMG
  • as a Nodejs module – examples
  • as a Grunt task – grunt-svgmin
  • as a Gulp task – gulp-svgmin
  • as a Mimosa module – mimosa-minify-svg
  • as an OSX Folder Action – svgo-osx-folder-action
  • as a webpack loader – image-webpack-loader

Donate

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License and copyrights

This software is released under the terms of the MIT license.

Logo by Yegor Bolshakov.