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