HTML Minifier (v4.0.0)

Case-sensitive Treat attributes in case sensitive manner (useful for custom HTML tags)
Collapse boolean attributes Omit attribute values from boolean attributes
Collapse inline tag whitespace Don't leave any spaces between display:inline; elements when collapsing. Must be used in conjunction with collapseWhitespace=true
Collapse whitespace Collapse white space that contributes to text nodes in a document tree
Conservative collapse Always collapse to 1 space (never remove it entirely). Must be used in conjunction with collapseWhitespace=true
Decode Entity Characters Use direct Unicode characters whenever possible
HTML5 Parse input according to HTML5 specifications
Include auto-generated tags Insert tags generated by HTML parser
Keep closing slash Keep the trailing slash on singleton elements
Max. line length Specify a maximum line length. Compressed output will be split by newlines at valid HTML split-points
Minify CSS Minify CSS in style elements and style attributes (uses clean-css)
Minify JavaScript Minify JavaScript in script elements and event attributes (uses UglifyJS)
Minify URLs Minify URLs in various attributes (uses relateurl)
Preserve line-breaks Always collapse to 1 line break (never remove it entirely) when whitespace between tags include a line break. Must be used in conjunction with collapseWhitespace=true
Prevent attributes escaping Prevents the escaping of the values of attributes
Process conditional comments Process contents of conditional comments through minifier
Process scripts Comma-delimited string corresponding to types of script elements to process through minifier (e.g. text/ng-template, text/x-handlebars-template)
Quote character Type of quote to use for attribute values (' or ")
Remove attribute quotes Remove quotes around attributes when possible
Remove comments Strip HTML comments
Remove empty attributes Remove all attributes with whitespace-only values
Remove empty elements Remove all elements with empty contents
Remove optional tags
Remove redundant attributes Remove attributes when value matches default.
Remove script type attributes Remove type="text/javascript" from script tags. Other type attribute values are left intact
Remove style link type attributes Remove type="text/css" from style and link tags. Other type attribute values are left intact
Remove tag whitespace Remove space between attributes whenever possible. Note that this will result in invalid HTML!
Sort attributes Sort attributes by frequency
Sort class name Sort style classes by frequency
Trim white space around custom fragments Trim white space around ignoreCustomFragments.
Use short doctype Replaces the doctype with the short (HTML5) doctype

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HTML Minifier (v4.0.0)

For Json we Added \" and > after \n