You can install via with Package Control and restart Sublime.
- Install Package: Search with
- Add Repository: Put URL
SVGO requires Node.js as runtime. If you don't have Node.js, install via followings.
In a SVG file, open the Command Palette (Cmd Shift P) and choose Minify SVG or Prettify SVG.
You can configure following options from Preferences → Package Settings → Svgo → Settings - User.
Indent size used on prettify.