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Code & Web

Markup

Format HTML source or convert Markdown to sanitized HTML for review, copying, and safe local preview.

2 tools

Markup

Format HTML source or convert Markdown to sanitized HTML for review, copying, and safe local preview.

HTML Formatter with PreviewIndent HTML source by 2, 4, or 8 spaces, collapse it with the minify option, and inspect the original input through a DOMPurify-sanitized sandboxed preview. Helpful for developers debugging templates, reviewing generated markup, and preparing HTML for version control diffs. Catches structural issues early.Code & Web / MarkupTry it
Markdown to HTML ViewerImport, paste, or type Markdown, convert it with Marked in GFM mode, sanitize the HTML with DOMPurify, preview it, and copy the allowed markup locally. Useful for writers, documentation authors, and developers previewing Markdown rendering with GitHub-flavored extensions.Code & Web / MarkupTry it

Nearby subcategories

EncodersDecodersFile ConvertersEncoding