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What is Markdown?

Markdown is a lightweight markup language that uses plain-text symbols — like # for headings, * for emphasis and - for lists — to format text that converts to HTML. It is fast to write, readable as raw text, and widely used for READMEs, documentation, notes and blogging.

Markdown maps simple symbols to HTML: # for headings, **bold**, *italic*, - or 1. for lists, [text](url) for links and backticks for code. The source stays readable even before rendering.

It powers GitHub READMEs, documentation sites, chat apps and static blogs. Most processors also let you embed raw HTML for anything Markdown cannot express.

Markdown tools

常见问题

如何在单元格中输入竖线字符(|)?

直接正常输入即可——工具会在生成结果中自动将其转义为 \|,从而在 GFM 中正确显示。

可以从 Excel 或 Google Sheets 粘贴数据吗?

可以。这两款应用复制出的数据都是制表符分隔值(TSV)格式。点击“粘贴 TSV / CSV”按钮,将分隔符保持为“自动识别”模式,然后直接粘贴即可。

为什么生成结果中的表格看起来没有对齐?

生成结果会用空格填充以便源码更易读,但 Markdown 渲染器会忽略单元格内多余的空格——无论是否有这些填充空格,表格显示效果都完全一致。