HTML Beautifier

A normaliser/beautifier for HTML that also understands embedded Ruby. Ideal for tidying up Rails templates.

Usage

htmlbeautifier file1 [file2 ...]

or

htmlbeautifier < input > output

What it does

  • Normalises hard tabs to spaces
  • Removes trailing spaces
  • Indents after opening HTML elements
  • Outdents before closing elements
  • Collapses multiple whitespace
  • Indents after block-opening embedded Ruby (if, do etc.)
  • Outdents before closing Ruby blocks
  • Outdents elsif and then indents again
  • Indents the left-hand margin of JavaScript and CSS blocks to match the indentation level of the code