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Format Hub

Markdown Tools and Format Guide

A hub for Markdown preview, Markdown to HTML conversion, document cleanup, and safer publishing workflows.

Format

Markdown

Extensions

.md, .markdown, .mdown

Best For

README files, documentation, notes

Use Markdown for readable source documents

Markdown is useful for documentation, README files, changelogs, notes, knowledge bases, and static site content because the source stays readable as plain text.

The rendered result still depends on the parser and platform. Tables, task lists, code fences, front matter, and embedded HTML can behave differently across GitHub, static site generators, and CMS workflows.

  • Preview Markdown before publishing it to a public page.
  • Check code blocks, tables, and links after conversion to HTML.
  • Remove internal URLs, tokens, and draft notes from public docs.

Markdown and HTML publishing

Converting Markdown to HTML is useful when a website, email template, or CMS needs rendered markup. Review the output before publishing so headings, code blocks, links, and lists are still correct.

If Markdown includes raw HTML, treat the output carefully. Public pages should avoid unsafe embedded markup and should keep links intentional.

Documentation cleanup workflow

Before sharing Markdown, run through the visible content, linked images, reference links, and copied terminal output. Documentation often leaks internal package names, file paths, draft URLs, or customer examples by accident.

Use a preview for structure and a text cleanup step for whitespace, casing, and repeated fragments before final publishing.

Privacy and Sharing Notes

  • Markdown can contain internal links, drafts, comments, tokens, and copied terminal output.
  • Converted HTML should be reviewed before publishing on public pages.
  • Images linked from Markdown may point to private or temporary URLs.

Open browser tools that work directly with this format.

Conversion Guides

Use focused conversion and workflow pages connected to this format.

Read deeper guidance for private file handling, publishing, and format decisions.

Continue through nearby task groups and tool workflows.

Format FAQs

Is Markdown the same everywhere?

No. CommonMark, GitHub-flavored Markdown, static site generators, and CMS editors can render some features differently.

Can Markdown include unsafe content?

It can include links, images, raw HTML, and copied secrets. Review source and rendered output before publishing.

When should I convert Markdown to HTML?

Convert when a publishing system needs HTML output, but keep the Markdown source for editing and version control.