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MDXEditor
What it is
MDXEditor is a free, open-source React component for writing Markdown documents in a WYSIWYG editor. It takes Markdown as a string and emits Markdown as a string, without an intermediate HTML representation. Its rich-text engine uses Lexical, and its plugin system lets developers enable features or add support for other Markdown constructs. Listed capabilities include tables, links, images, front matter, shortcuts, directives, JSX components, source editing, diff views, code blocks, and a customizable toolbar. Tables support row and column changes and alignment controls, but do not support HTML tables. The image plugin can handle URL or local-device images, paste and drop, and an upload handler supplied by the integrator. Code blocks support syntax highlighting and language-aware editing, with CodeMirror available for editable blocks. The package is installed from npm in a React project, with setup guidance for Next.js, Vite, Remix, and Create React App. It does not support server rendering; the Next.js App Router guide requires client-side rendering for the editor. It also does not provide controls for changing text font size, color, or family. The project lists an MIT license and directs users to GitHub issues or discussions, contributions, or the author's email for support.
For and against
For
- Markdown goes in and comes out without intermediate HTML.
- Features can be enabled or extended through plugins.
- Supports source editing and document comparison.
- Images can be pasted, dropped, or uploaded.
- Provides setup guidance for several React frameworks.
Against
- Does not support server rendering.
- HTML tables are unsupported.
- Cannot change text font size, color, or family.
- An image upload handler must be supplied by the integrator.
The verdict
MDXEditor provides Markdown-focused authoring features for React applications, with plugin-based customization. Its rendering and formatting limitations matter if your project needs server rendering or non-Markdown text styling.
Who it suits
MDXEditor suits developers building Markdown editing into React projects, especially for technical documentation. Its plugin system can be extended for other uses.
Plans and prices
Open-source MDXEditor
React component for authoring Markdown · features enabled through plugins
Read 8 Oct 2026 · mdxeditor.dev
On the record
- Code blocks
- Code blocks support syntax highlighting and language-aware editing, with CodeMirror available for editable code blocks.mdxeditor.dev · read 7 Oct 2026
- Editing engine
- The rich-text editing engine is built on the Lexical editor framework.mdxeditor.dev · read 7 Oct 2026
- Extensibility
- Developers can extend the editor with plugins and custom logic, including custom editors for Markdown directives.mdxeditor.dev · read 8 Oct 2026
- Features
- Its plugin-based features include headings, quotes, links, lists, images, tables, code blocks, front matter, and Markdown shortcuts.mdxeditor.dev · read 8 Oct 2026
- Formatting limitation
- The editor does not support changing text font size, color, or font family because it is tailored to Markdown syntax constraints.mdxeditor.dev · read 8 Oct 2026
- Framework setup
- The package is installed from npm in a React project, works with Vite, and the documentation says it does not support server rendering.mdxeditor.dev · read 7 Oct 2026
- Image handling
- The image plugin supports inserting images from the web or a local device, pasting and dropping images, and a configurable upload handler.mdxeditor.dev · read 7 Oct 2026
- Images
- The image plugin supports images from URLs or local devices, paste and drop, and an upload handler supplied by the integrator.mdxeditor.dev · read 8 Oct 2026
- Integrations
- The package is installed from npm in a React project, and the getting-started guide documents Next.js, Vite, Remix, and Create React App setups.mdxeditor.dev · read 8 Oct 2026
- Intended users
- The built-in plugins are geared toward technical documentation, while the editor can be extended for other use cases.mdxeditor.dev · read 8 Oct 2026
- License
- The GitHub repository lists an MIT license.github.com · read 7 Oct 2026
- Links
- The link dialog can edit and remove links and provide configured autocomplete suggestions; its keyboard shortcut is Ctrl+K on Windows and Cmd+K on Mac.mdxeditor.dev · read 8 Oct 2026
- Markdown features
- The feature overview lists tables, links, images, front matter, Markdown shortcuts, diff/source view, directives, JSX components, and a customizable toolbar.mdxeditor.dev · read 7 Oct 2026
- Markdown format
- The component accepts and emits Markdown as a string and does not use an intermediate HTML representation.mdxeditor.dev · read 8 Oct 2026
- Markdown input and output
- The component accepts and emits Markdown as a string, without an intermediate HTML representation.mdxeditor.dev · read 7 Oct 2026
- Markdown output
- The editor exposes options to configure Markdown output formatting, including bullet style, whitespace, and emphasis markers.mdxeditor.dev · read 8 Oct 2026
- Notable limitation
- The editor is tailored to Markdown syntax and does not support changing text font size, color, or font family.mdxeditor.dev · read 7 Oct 2026
- Product
- MDXEditor is an open-source React component for authoring Markdown documents in a WYSIWYG manner.mdxeditor.dev · read 8 Oct 2026
