Format, beautify, or minify HTML code. Clean up messy HTML with proper indentation.
Editor
Upload, paste, or preview the source, tune the options, and leave with a copy-ready or downloadable result.
Upload, paste, or choose the asset to edit.
Adjust settings and inspect the visible output.
Download, copy, or continue into a Studio.
Paste the payload, code, URL, token, or expression to inspect.
Formatted code, generated types, decoded values, or snippets appear here.
Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.
Editor workspace and output options
Use the result area as the copy-ready handoff for the next step in your work.
Use HTML Formatter / Minifier when you need to format, beautify, or minify HTML code. Clean up messy HTML with proper indentation.
It is designed for quick local checks before you commit code, send a payload, paste into documentation, or hand data to another system.
A: Formatting adds proper indentation and line breaks to make HTML code readable and maintainable.
A: Minification removes unnecessary whitespace and comments to reduce file size for production use.
A: The formatter uses the browser's DOMParser which handles most HTML, but does not strictly validate it.
Encode special characters to HTML entities and decode HTML entities back to plain text.
Split-pane writing with live HTML preview. For PNG/PDF export, use Markdown Preview & Export.
Format and validate JSON online: prettify large pasted payloads, minify for APIs, and catch syntax errors before deployment.
Format and validate JSON online: prettify large pasted payloads, minify for APIs, and catch syntax errors before deployment.
Convert JSON to Go struct definitions with tags and options.
Convert JSON to TypeScript interfaces or types.
Convert between JSON and YAML formats with preserved structure.
Convert CSV files to JSON and JSON to CSV with custom delimiters.
Format and beautify SQL queries with syntax highlighting.
Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.