※ SSL 적용 안 된 주소는 링크 제외. (직접 복사해 이동 ㅡㅡ;;)
HTML/CSS
https://tools.arantius.com/tabifier
https://prettydiff.com/?m=beautify
JS
https://beautifier.io/
CSS
http://lonniebest.com/FormatCSS/
PHP
https://www.tools4noobs.com/online_tools/beautify_php/
http://www.phpformatter.com/
SQL
http://dpriver.com/pp/sqlformat.htm
XML
http://chris.photobooks.com/xml/default.htm
소스에 색깔 입히기 (= 코드 분석 작업에 유용)
http://daver.kr/tools/geshi/
https://colorscripter.com/
https://quickhighlighter.com/
JS 압축
http://dean.edwards.name/packer/
http://javascriptcompressor.com/
https://closure-compiler.appspot.com/home
참고 http://gaziweb.blog.me/220437192544