HTML Formatter
Beautify or minify HTML on your device, check that tags nest correctly, and download the result. Choose two or four space indent, import an .html file when you need to, and keep everything in this browser tab.
Tags look balanced · 9 lines · 11 tags · 225 chars (min 217)
This is a light formatter for snippets and small pages, not a full HTML5 parser or project formatter. Indent follows open tags. Content inside script, style, pre, and textarea is left alone. Minify removes HTML comments and collapses space between tags. Validate only checks that non void tags open and close in matching order.
How it works
Paste or import your HTML
Drop markup into the input panel or import an.html or.htm file up to 10 MB. Unbalanced tags show live in the panel so you can fix nesting before you format or minify.
Choose Format or Minify
Format adds readable indentation with two or four spaces. Minify strips HTML comments and extra whitespace between tags while leaving script and style content intact. Use Validate when you only want a nesting sanity check.
Copy or download the result
Copy from the output panel or download formatted.html. Processing stays in this tab.
What is HTML Formatter?
HTML Formatter helps you read crowded or minified markup and shrink it again before you publish. Beautify restores nesting so structure is easy to scan. Minify trims comments and spare whitespace between tags for smaller files. Everything runs on your device, which suits private snippets, client HTML, and local debugging.
Why use this tool
- Beautify HTML with two or four space indentation for easier reading.
- Minify markup by removing HTML comments and extra space between tags.
- Keep script, style, pre, and textarea bodies unchanged during format and minify.
- Run a light nesting check so mismatched open and close tags are easy to spot.
- Import.html and.htm files up to 10 MB, then copy or download the result.
- Use the tool as often as you like. There is no daily free plan cap.
Questions
What does HTML Formatter do?
It beautifies HTML with consistent indentation or minifies it by removing comments and extra space between tags. It can also check that non void tags open and close in a matching order, which helps catch simple nesting mistakes.
Will formatting break my page?
Changing whitespace between tags is usually safe for ordinary documents. Content inside script, style, pre, and textarea is preserved. Unusual attribute spacing or incomplete markup can still look odd after a pass, so skim the output before you ship it.
Is this a full HTML5 validator?
No. Validate only checks that non void tags nest in matching pairs. It does not enforce the HTML5 content model, required attributes, or accessibility rules. Use a dedicated linter or the browser parser when you need strict checks.
Which file types can I import?
You can import.html and.htm files up to 10 MB. Paste also works for snippets and full documents.
Is my HTML sent to a server?
No. Formatting, minifying, and validation run entirely in this browser tab.
Is there a daily limit?
No. This tool has no daily usage cap on the free plan.
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