HTML Formatter VS Code

The HTML Formatter in VS Code is a developer tool that standardizes HTML source by applying a consistent indentation, attribute wrapping, and line-break strategy. It operates as a rule-based formatter that respects existing comments and DOCTYPE, ensuring that the resulting markup remains semantically identical. It targets frontend engineers, build teams, and anyone maintaining large HTML bases where consistent formatting accelerates reviews and reduces whitespace churn.
Core capabilities include parsing the HTML into a common representation, applying configurable indentation (2 or 4 spaces, or tabs), wrapping long attribute lists onto new lines, and preserving existing comments. Optional options allow per-project rules, max line length, and toggling attribute wrapping. The tool handles common edge cases such as void elements and inline scripts, ensuring no change to semantics. It can format in-place or emit a new string to be written by the user, and it integrates well with version-control workflows by producing stable diffs.
Unique value comes from tight VS Code integration and a clear, minimal surface for configuration. It reduces review time, enforces team conventions, and improves readability across large front-end codebases. Use cases include preparing code for pull requests, refactoring templates, and standardizing starter files in component libraries. The formatter is fast, predictable, and designed to work with existing tooling without altering code meaning.