How to automatically format/beautify html code which was not indent properly and new line properly, or validate html code with some missing elements?

Validate

https://validator.w3.org/


Beautify

https://github.com/htacg/tidy-html5

https://freeformatter.com

It is not indenting when editing .php files with vim

Solution:

https://stackoverflow.com/questions/459478/correct-indentation-of-html-and-php-using-vim

:set filetype=html

Vi - How to Automatic Indent?

 Vi - How to Automatic Indent?

Windows

In Vim folder, create a text file named '_vimrc' with the following contents -

filetype plugin indent on

autocmd FileType html setlocal shiftwidth=2 tabstop=2

autocmd FileType python setlocal expandtab shiftwidth=4 softtabstop=4