Pretty-print, minify & validate JSON.
Format messy SQL, dialect presets, Python/PHP export.
Count words, chars & case.
Built with privacy in mind. All processing happens entirely in your browser using open-source libraries.
Markdown is the lightweight formatting language behind READMEs, docs and notes. This converter renders it into clean HTML with a live preview, highlighting code blocks and rendering tables correctly, so what you type is exactly what your readers get.
Writing in Markdown and exporting HTML gives you portable, version-friendly documents. The converter runs locally, so drafts and snippets never leave your computer, and the PDF export uses your browser to produce a print-ready copy in one click.
Yes, free with no signup or limits.
No. Conversion happens entirely in your browser.
Yes, both code blocks with syntax highlighting and GitHub-style tables are fully supported.
Yes. Use the Download menu to save a standalone HTML file or render a PDF with html2pdf; if that library is unavailable the browser's print dialog is used instead.
Yes. Output is sanitized with DOMPurify before rendering, so pasted Markdown cannot inject scripts, and everything runs in your browser.
It parses GitHub-Flavored Markdown, so tables, task lists, strikethrough and autolinks all work; rendering uses the marked library with GFM enabled.