HTML Formatter
Format and beautify HTML code. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.
Developer ToolsAbout this tool
Turn compressed or messy HTML into indented, readable markup. Great for templates, email HTML, snippets from CMS exports, or debugging server-rendered output.
Use it when you need clarity before editing attributes, comparing versions, or teaching markup—without opening a heavy IDE for a quick pass.
Features
- Pretty-print with configurable indentation
- Highlighting for tags and attributes where supported
- Fast copy for pasting into docs or tickets
- Runs locally in the browser for typical snippets and pages
How to format HTML
- Paste your HTMLPaste markup from a file, inspector, or template into the input.
- Choose optionsSelect indentation or line-wrapping options if available, then format.
- Review and copyCheck the structure, then copy the formatted HTML for your repo or CMS.
Guides
- Autoprefixer: privacy tips and best practices Use Autoprefixer safely: what stays in the browser, what to avoid pasting, and habits that reduce mistakes.
- Why a browser-based GraphQL Formatter helps Skip installs for quick tasks: how GraphQL Formatter fits next to desktop apps and CLIs (Format and beautify GraphQL queries).
- Javascript Formatter: quick start in your browser Open Javascript Formatter, run your task locally in the tab, and get results fast. No install: Format and beautify JavaScript code.
- Why a browser-based JSON Formatter helps Skip installs for quick tasks: how JSON Formatter fits next to desktop apps and CLIs (Format and beautify JSON data).
- Practical use cases for CSS Minifier Where CSS Minifier fits in real tasks: Minify CSS code by removing whitespace. Ideas for daily workflows and hand-offs.
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Developer ToolsFrequently Asked Questions
Will the formatter fix broken HTML?
It improves readability. Severely broken markup may still need manual fixes or a validator. Use semantic checks in the browser for layout issues.
Is embedded JavaScript preserved?
Formatting targets HTML structure. Inline scripts may be reformatted depending on the parser—review sensitive logic after formatting.
What does the HTML Formatter tool do?
Format and beautify HTML code. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload. It is listed under Developer Tools on FreeEasyToolsOnline.
Is my data sent to your servers?
Most processing for this tool runs in your browser. Do not paste secrets you cannot afford to expose, and read any on-page warnings for tools that intentionally call external APIs.
Do I need to install anything?
No. Use a modern desktop or mobile browser. For best results, keep the page open until processing finishes for large files or long operations.