HTML Formatter & Minifier Online
Clean up HTML snippets for docs, templates, email fragments, CMS blocks, and publishing workflows. Format for review or minify for compact copy-ready output.
An HTML formatter makes a compact snippet easier to scan by adding line breaks and indentation.
An HTML minifier removes comments and extra whitespace for compact snippets.
Use snippets and fragments
This is best for short HTML blocks copied from docs, CMS fields, email templates, or examples.
Validate complete pages elsewhere
For full documents, use a standards validator after formatting and manual review.
Try a common HTML snippet
Snippet analyzed
14 tags, 0 comments, 180 B input, 0 B removable whitespace/comment bytes estimated.
HTML formatting note
This formatter adjusts whitespace and comments. It does not sanitize scripts, validate accessibility, or guarantee production-ready markup.
Suggested workflow
HTML publishing cleanup path
Clean a snippet, convert or escape it, and preview the final publishing format.
Pretty print HTML
Turn compact CMS, email, or template snippets into readable indentation before editing.
HTML beautifier
Clean copied markup so tag nesting, comments, and fragments are easier to inspect.
HTML minifier
Compact reviewed snippets after checking that lightweight cleanup preserves the intended content.
HTML to Markdown prep
Format messy source HTML before converting or previewing publishing content.
How is the HTML processed?
Formatting and minifying are handled in the browser for this tool based on the current public implementation. Avoid pasting sensitive snippets unless you have reviewed the implementation.
Can it minify HTML?
Yes. The minify action removes comments and collapses unnecessary whitespace for compact snippets.
Is this a full HTML validator?
No. It is a lightweight formatter for snippets, not a standards validator for complete web pages.
Can I use it before converting HTML to Markdown?
Yes. Formatting a messy snippet first can make it easier to review before converting or previewing.