What is tidy?

It’s a very unslick util for tidying up HTML markup which gets the job done. To install it on OS X, simply do

> brew install tidy

Tidy usage

To pretty print input.xml and save the output to pretty_printed.xml

> tidy -xml -i input.xml > pretty_printed.xml

There are several command line options. For example, to change the case of tabs to uppercase:

> tidy -xml --uppercase-tags y  -i input.xml

Visual Studio Code

To install it on VSCode, just search for “Tidy” in the Extension Panel. Then you can use from the command panel (CMD-SHIFT-P) by simply typing “tidy”