Compare two Less files

Compare Less CSS stylesheets with syntax highlighting and Prettier auto-formatting. Perfect for reviewing preprocessor changes, comparing variable updates, or spotting mixin differences.

Features

• Less CSS syntax highlighting
• Auto-format with Prettier
• Variable and mixin support
• Side-by-side and inline views
• Ignore whitespace option
• Share Less diff via URL

Frequently asked questions

Does it format Less?

Yes — Prettier formats Less CSS including variables and nested rules.

Does it highlight Less variables?

Yes. Less variables (@var) and mixins are syntax-highlighted.

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