The best Showdown alternatives

8 tools that do a similar job to Showdown, 8 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.

You're replacing

Showdown

A JavaScript library that converts Markdown to HTML and HTML back to Markdown.

1. 1

   markdown-it

   Open source · MIT · ★ 22k

   A fast Markdown parser for JavaScript that follows the CommonMark spec and can be extended with plugins.

   Best for: JavaScript or TypeScript developers who need to render Markdown in a Node.js or browser project; Teams that want output that matches the CommonMark standard

   Full review Showdown vs markdown-it
2. 2

   remark

   Open source · MIT · ★ 13k

   A simple tool that turns Markdown text into a browser-based slideshow.

   Best for: People comfortable with HTML and CSS who want slides written in Markdown; Developers or teachers who want a presentation they can version-control as plain text

   Full review Showdown vs remark
3. 3

   Turndown

   Open source · MIT · ★ 11.5k

   A JavaScript library that converts HTML into Markdown, in Node.js or the browser.

   Best for: Developers who need to convert HTML content, such as web pages or rich text editor output, into Markdown; Node.js or browser projects that want a JavaScript-only conversion step

   Full review Showdown vs Turndown
4. 4

   Parsedown

   Open source · MIT · ★ 15k

   A Markdown-to-HTML parser for PHP, packaged as a single file with no dependencies.

   Best for: PHP developers who need to render Markdown inside a PHP web application; Projects that want a small parser with no external dependencies

   Full review Showdown vs Parsedown
5. 5

   react-markdown

   Open source · MIT · ★ 15.9k

   A React component that renders Markdown text as React elements, without raw HTML injection.

   Best for: React developers who need to display Markdown content such as comments, docs, or posts; Beginners who want safe Markdown rendering without writing HTML parsing code

   Full review
6. 6

   Editor.md

   Open source · MIT · ★ 14.3k

   An embeddable Markdown editor component for web pages, built on CodeMirror, jQuery and Marked.

   Best for: Web developers who want a Markdown input box inside their own site or admin panel; Projects that already use jQuery and want a drop-in editor

   Full review
7. 7

   Milkdown

   Open source · MIT · ★ 12k

   A plugin-based markdown editor framework where you type rich text and see formatted output.

   Best for: Developers adding a rich markdown editing box to a web app; Teams that want an editor extended through plugins

   Full review
8. 8

   Vditor

   Open source · MIT · ★ 11.4k

   A browser-based Markdown editor with rich-text, live-render and split-view modes.

   Best for: Developers who want to embed a Markdown editor in a web app; Teams building a blog, forum or content tool that needs in-browser editing

   Full review

How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Showdown. We don't take payment for placement.