Mark Render
OPEN /APP

MARKDOWN TO PUBLISH-READY HTML

mark-render README.md --theme github --out index.html

Write Markdown.
Ship HTML.

A two-pane workspace that renders Markdown to HTML in real time. Supports GFM, syntax highlighting, theme switching, custom CSS, and one-click export.

Start RenderingPreview Output Styles
README.mdlive
sourceMARKDOWN
# Release Notes v2
Ship one source to **docs and blog**.
- [x] GFM tables and task lists
- [x] Syntax highlighting
- [ ] Right-to-left layouts
| Target | Theme |
| ------ | ------- |
| Docs | GitHub |
| Blog | Minimal |
```js
export const ok = true
```
renderedHTML
Release Notes v2

Ship one source to docs and blog.

  • GFM tables and task lists
  • Syntax highlighting
  • Right-to-left layouts
TargetTheme
DocsGitHub
BlogMinimal
export const ok = true
UTF-8LF16 L · 263 B0 Buploaded

OUTPUT READINESS

GFM + syntax highlight
Theme switch + custom CSS
Copy HTML / download .html
01CORE CAPABILITIES

Built for output, not just preview.

GFM Support

Tables, task lists, fenced code blocks, and common extensions.

Syntax Highlight + Theme Switch

Improve readability instantly and test multiple visual outputs quickly.

Custom CSS + Export

Copy clean HTML or download a complete .html file for delivery.

02HOW IT WORKS

Three steps from draft to publishable HTML.

  1. 01README.md

    Write or paste Markdown, or load sample content to start faster.

  2. 02remark → rehype

    Review rendered output in real time and adjust theme or custom CSS.

  3. 03index.html

    Copy the HTML fragment or download a complete .html file for delivery.

03USE CASES

Fits practical publishing workflows.

Blog publishingTechnical docsCMS content prepEmail HTML draftsStatic page snippet export
04OUTPUT COMPARISON

One Markdown input, multiple publish styles.

Switch theme for fast variants, then use custom CSS when output must match brand or channel rules.

Theme A · Calm Docstheme a
<article>
  <h1>Weekly Report</h1>
  <p>Readable defaults for docs and blogs.</p>
</article>
Theme B · Product Notetheme b
<article class="custom">
  <h1>Weekly Report</h1>
  <p>Same content, tailored style.</p>
</article>
05FAQ

Answers for implementation-focused users.

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