hugo/docs/content/en/content-management/formats.md

title	linktitle	description	date	publishdate	lastmod	categories	keywords	menu	weight	draft	aliases	toc
Content Formats	Content Formats	Both HTML and Markdown are supported content formats.	2017-01-10	2017-01-10	2017-04-06	content management	markdown asciidoc mmark pandoc content format	docs parent weight content-management 20	20	false	/content/markdown-extras/ /content/supported-formats/ /doc/supported-formats/	true

You can put any file type into your /content directories, but Hugo uses the markup front matter value if set or the file extension (see Markup identifiers in the table below) to determine if the markup needs to be processed, e.g.:

• Markdown converted to HTML
• Shortcodes processed
• Layout applied

List of content formats

The current list of content formats in Hugo:

Name	Markup identifiers	Comment
Goldmark	md, markdown, goldmark	Note that you can set the default handler of md and markdown to something else, see Configure Markup.{{< new-in "0.60.0" >}}
Blackfriday	blackfriday	Blackfriday will eventually be deprecated.
MMark	mmark	Mmark is deprecated and will be removed in a future release.
Emacs Org-Mode	org	See go-org.
AsciiDoc	asciidocext, adoc, ad	Needs Asciidoctor installed.
RST	rst	Needs RST installed.
Pandoc	pandoc, pdc	Needs Pandoc installed.
HTML	html, htm	To be treated as a content file, with layout, shortcodes etc., it must have front matter. If not, it will be copied as-is.

The markup identifier is fetched from either the markup variable in front matter or from the file extension. For markup-related configuration, see Configure Markup.

External Helpers

Some of the formats in the table above needs external helpers installed on your PC. For example, for AsciiDoc files, Hugo will try to call the asciidoctor command. This means that you will have to install the associated tool on your machine to be able to use these formats.

Hugo passes reasonable default arguments to these external helpers by default:

• asciidoctor: --no-header-footer --trace -
• rst2html: --leave-comments --initial-header-level=2
• pandoc: --mathjax

{{% warning "Performance of External Helpers" %}} Because additional formats are external commands, generation performance will rely heavily on the performance of the external tool you are using. As this feature is still in its infancy, feedback is welcome. {{% /warning %}}

External Helper AsciiDoc

AsciiDoc implementation EOLs in Jan 2020 and is no longer supported. AsciiDoc development is being continued under Asciidoctor. The format AsciiDoc remains of course. Please continue with the implementation Asciidoctor.

External Helper Asciidoctor

The Asciidoctor community offers a wide set of tools for the AsciiDoc format that can be installed additionally to Hugo. See the Asciidoctor docs for installation instructions. Make sure that also all optional extensions like asciidoctor-diagram or asciidoctor-html5s are installed if required.

Asciidoctor parameters can be customized in Hugo:

Parameter	Default	Comment
backend	html5	Don't change this unless you know what you are doing.
doctype	article	Currently supported Document type is article.
extensions		Possible extensions are asciidoctor-html5s, asciidoctor-bibtex, asciidoctor-diagram, asciidoctor-interdoc-reftext, asciidoctor-katex, asciidoctor-latex, asciidoctor-mathematical, asciidoctor-question, asciidoctor-rouge.
attributes		Variables to be referenced in your adoc file. This is a list of variable name/value maps. See Asciidoctor#attributes.
noheaderorfooter	true	Output an embeddable document, which excludes the header, the footer, and everything outside the body of the document. Don't change this unless you know what you are doing.
safemode	unsafe	Safe mode level unsafe, safe, server or secure. Don't change this unless you know what you are doing.
sectionnumbers	false	Auto-number section titles.
verbose	false	Verbosely print processing information and configuration file checks to stderr.
trace	true	Include backtrace information on errors.
failurelevel	fatal	The minimum logging level that triggers a non-zero exit code (failure).
workingfoldercurrent	false	Set the working folder to the rendered adoc file, so include will work with relative paths. This setting uses the asciidoctor cli parameter --base-dir and attribute outdir=. For rendering asciidoctor-diagram workingfoldercurrent must be set to true.

[markup.asciidocext]
    extensions = ["asciidoctor-html5s", "asciidoctor-diagram"]
    workingFolderCurrent = true
    [markup.asciidocext.attributes]
        my-base-url = "https://example.com/"
        my-attribute-name = "my value"

Important: External asciidoctor requires Hugo rendering to disk to a specific destination folder. It is required to run Hugo with the command option --destination!

In a complex Asciidoctor environment it is sometimes helpful to debug the exact call to your external helper with all parameters. Run Hugo with -v. You will get an output like

INFO 2019/12/22 09:08:48 Rendering book-as-pdf.adoc with C:\Ruby26-x64\bin\asciidoctor.bat using asciidoc args [--no-header-footer -r asciidoctor-html5s -b html5s -r asciidoctor-diagram --base-dir D:\prototypes\hugo_asciidoc_ddd\docs -a outdir=D:\prototypes\hugo_asciidoc_ddd\build -] ...

Learn Markdown

Markdown syntax is simple enough to learn in a single sitting. The following are excellent resources to get you up and running:

• Daring Fireball: Markdown, John Gruber (Creator of Markdown)
• Markdown Cheatsheet, Adam Pritchard
• Markdown Tutorial (Interactive), Garen Torikian
• The Markdown Guide, Matt Cone