Online Toolbox

TEXTM↓Markdown ⇄ HTML

GFM syntax · live preview

📦100% browser-local· processing in browser, no upload

Markdown 示例

欢迎使用 Markdown 工具 —— 办公好助手。

功能列表

  • JSON 格式化
  • Base64 编解码
  • 哈希计算

链接

console.log('Hello Markdown');

Powered by marked. Supports GitHub Flavored Markdown (GFM): tables, task lists, strikethrough, fenced code blocks. The right pane is a rendered preview (sanitised through a DOMPurify allow-list); switch to "HTML source" to copy the markup. All conversion runs locally, no upload.

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Markdown ⇄ HTML: GFM + Live Preview

Typical scenarios: ① preview while editing a doc or blog post; ② turn Markdown into HTML to embed in a web page; ③ turn web content into Markdown for your notes app.

How to use: type Markdown on the left and the right panel shows a live preview; you can also convert between the two formats and copy the result.

Notes: ① nothing is saved — refreshing loses content, so copy long pieces to a local file first; ② always fill in image alt text for accessibility and search; ③ converting from HTML back to Markdown may simplify some formatting, so review the result.

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