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Convert Markdown With cmark

Render Markdown to HTML with a fast, standards-compliant parser.

LinuxtextmarkdownconvertLow risk
Run cmark README.md to print the rendered HTML.

01Command

Command
$ cmark README.md

02What it does

cmark is the reference implementation of CommonMark, so it behaves predictably across tools. It reads Markdown and writes HTML, XML, man pages or a CommonMark AST, which makes it useful in text pipelines.

03Risk

RiskLow risk
Requirementssudo apt install cmark
!Warning: It follows CommonMark strictly; extensions such as tables and footnotes need a different processor.

04Undo

✓No undo needed — this command does not change persistent state.

05Sources

  • Debian package: cmark
    Debian · vendor-doc · 2026-09-20
    Evidence: Debian packages cmark, the reference CommonMark implementation.
  • cmark
    Official project · vendor-doc · 2026-09-20
    Evidence: Debian packages cmark, the reference CommonMark implementation.

Last verified: 2026-09-22 · Category: Developer

06Related solutions

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Linuxdiffpatchtext

Generate a unified diff between two files, apply it to another copy with patch, and reverse it with patch -R.

Low risk ✓ 2026-09-17