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AsciiDoc support for Visual Studio Code using Asciidoctor

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AsciiDoc support for Visual Studio Code

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An extension that provides live preview, syntax highlighting and snippets for the AsciiDoc format using Asciidoctor flavor.



How to Install

Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter:

ext install asciidoctor.asciidoctor-vscode

Alternatively you can use the built-in extension browser to find the AsciiDoc by joaompinto extension and install it.

How to Use

The extension activates automatically when opening an AsciiDoc file (.adoc, .ad, .asc, .asciidoc).


To show the preview you can use the same commands as the Markdown extension:

  • Toggle Preview -
  • Open Preview to the Side -
    ctrl+k v
    cmd+k v

The preview refreshes automatically, but it can also be forced with the AsciiDoc: Refresh Preview command.

The preview supports setting attributes through the


By default the preview style follows the VSCode theme (

). To use Asciidoctor's style set option
. It is also possible to set your own preview stylesheet with the

(See more details under User Settings)

Export as PDF

The extension provides a quick command to export your AsciiDoc file as PDF.

  • Open the command palette -
  • Select AsciiDoc: Export document as PDF
  • Choose the folder and filename for the generated PDF

By default a separate binary is downloaded and used to render the document in PDF format. To use Asciidoctor PDF set option

(See more details under User Settings)

Save as HTML

The extension provides a quick command to export your AsciiDoc file as HTML using the default Asciidoctor stylesheet.

  • Open the command palette -
  • Select AsciiDoc: Save HTML document
  • The file is generated in the same folder as the source document

The shortcout key of

) will also save the document.

Save to Docbook

The extension provides a quick command to export your AsciiDoc file as Docbook.

  • Open the command palette -
  • Select AsciiDoc: Save to Docbook
  • The file is generated in the same folder as the source document

Docbook 5 is supported out of the box.

Docbook 4.5 is more difficut to support (mostly because it's ancient).

Docbook 4.5 requires the use of command line Asciidoctor and requires the use of either the community maintained docbook converter (which can be installed using

) or an older version of Asciidoctor (v1.5.8 or earlier).

To use Docbook 4.5, the following is known to work on Debian based systems:

  1. From the command line, install the
    gem install specific_install
  2. Then install the community supported Docbook 4.5 converter from the command line:
    gem specific_install -l
  3. Then change the User setting
    asciidoctor -r asciidoctor-docbook45
  4. Finally, untick (disable)


Several code snippets are provided including but not limited to: include statements, images, links, header, headings, lists, blocks, etc...

For a full list open the command palette and select Insert Snippet.

User Settings

This extension is controlled by a multitude of user settings.

The following list contains all the options and their default value.

| Option: Default value | Description | | :--- | :--- | |

asciidoc.asciidoctor_command: "asciidoctor"
| The path or command invoked when using Asciidoctor for the preview. | |
asciidoc.asciidoctorpdf_command: "asciidoctor-pdf"
| The path or command invoked when using Asciidoctor PDF for the Export as PDF function. | |
asciidoc.forceUnixStyleSeparator: true
| Force set the file separator style to unix style. If set false, separator style will follow the system style. | | ""
| The local path to a CSS style sheet to use in the AsciiDoc preview. Relative paths are interpreted relative to the workspace folder. If no workspace is open the document path. | |
asciidoc.preview.attributes: {}
| Set attributes to be used in the preview. Attributes need to be written as an object of type {string: string} | |
asciidoc.preview.breaks: false
| Sets how line-breaks are rendered in the AsciiDoc preview. Setting it to 'true' creates a

for every newline. | |
asciidoc.preview.doubleClickToSwitchToEditor: true
| Double click in the AsciiDoc preview to switch to the editor. | |
asciidoc.preview.fontFamily: "-apple-system, BlinkMacSystemFont, 'Segoe WPC', 'Segoe UI', 'HelveticaNeue-Light', 'Ubuntu', 'Droid Sans', sans-serif"
| Controls the font family used in the AsciiDoc preview. | |
asciidoc.preview.fontSize: 14
| Controls the font size in pixels used in the AsciiDoc preview. | |
asciidoc.preview.lineHeight: 1.6
| Controls the line height used in the AsciiDoc preview. This number is relative to the font size. | |
asciidoc.preview.linkify: true
| Enable or disable conversion of URL-like text to links in the AsciiDoc preview. | |
asciidoc.preview.markEditorSelection: true
| Mark the current editor selection in the AsciiDoc preview. | |
asciidoc.preview.openAsciiDocLinks: "inPreview"
| How should clicking on links to AsciiDoc files be handled in the preview.
"inPreview" Try to open links in the the AsciiDoc preview
"inEditor" Try to open links in the the editor | |
asciidoc.preview.scrollEditorWithPreview: true
| When an AsciiDoc preview is scrolled, update the view of the editor. | |
asciidoc.preview.scrollPreviewWithEditor: true
| When an AsciiDoc editor is scrolled, update the view of the preview. | |
asciidoc.preview.scrollPreviewWithEditorSelection: true
| [Deprecated] Scrolls the AsciiDoc preview to reveal the currently selected line from the editor.
This setting has been replaced by 'asciidoc.preview.scrollPreviewWithEditor' and no longer has any effect. | |
asciidoc.preview.refreshInterval: 2000
| Interval (in miliseconds) between preview refreshes (when the document is changed), 0 means refresh only on save | |
asciidoc.preview.useEditorStyle: true
| Use editor style instead of default asciidoctor.css | |
asciidoc.previewFrontMatter: "hide"
| Sets how YAML front matter should be rendered in the AsciiDoc preview. "hide" removes the front matter. Otherwise, the front matter is treated as AsciiDoc content. | |
asciidoc.saveDocbook.docbookVersion: docbook5
| Choose either Docbook 5 or Docbook 4.5 for Docbook output command | |
asciidoc.trace: "off"
| Enable debug logging for the AsciiDoc extension. | |
asciidoc.use_asciidoctor_js: true
| Use Asciidoctor.js instead of the 'asciidoctorcommand' to render the preview. | | `asciidoc.useasciidoctorpdf: false
| Use Asciidoctor PDF instead of the integrated renderer for the _Export as PDF_ command. |
asciidoc.use_kroki: false` | Enable kroki integration to generate diagrams. |

Identifying the VS Code Environment


attribute is set on all output documents. If you need to identify or handle the VS Code environment you can use an
expression similar to the following:
This is for vscode only

Diagram Integration

This extension supports a wide range of diagrams from BPMN to Graphviz to PlantUML and Vega graphs using kroki and asciidoctor-kroki.

You can see the full range on the kroki website.

Note that this extension will send graph information to If this is an issue it is also possible to use your own kroki instance (see the instructions for further information).

To enable diagram support, set the

parameter in your User Settings to

To cache and save diagrams locally set the

attribute in your document header:
= My Amazing Document

This will store images by default in your document folder, however you may also set

to store them elsewhere:
= My Amazing Document
:imagesdir: media

Build and Install from Source


git clone
cd asciidoctor-vscode
npm install
node_modules/vsce/out/vsce package
code --install-extension *.vsix


git clone
bash ./script/ build install

The script included in the repository automates all operations needed to build the extension. Run

bash ./script/ help
for more information.

WARNING: The script only works in MacOS and Windows


If you encounter any problems with the extension and cannot find the solution yourself, please open an issue in the dedicated GitHub page: asciidoctor-vscode/issues.

Before opening an issue, please make sure that it is not a duplicate. Your problem may have already been brought up by another user and been solved: asciidoctor-vscode/issues all.

When you do open an issue, remember to include the following information:

  1. Description of the issue
  2. VSCode version, OS (Help -> About) and extension version
  3. Steps to reproduce the issue
    IMPORTANT: We cannot solve the issue if you do not explain how you encountered it
  4. If the problem occurs only with a specific file, attach it, together with any screnshot that might better show what the issue is.

If your issue only appeared after updating to a new version of the extension, you can roll back to a previous one via the extensions browser. Click on the small gear icon beside the AsciiDoc extension, then select Install Another Version.... A selection menu will appear allowing you to select which version you want to install.


To contribute simply clone the repository and then commit your changes. When you do a pull requests please clearly highlight what you changed in the pull comment.

Do not update the extension version or changelog, it will be done by the maintainers when a new version is released.

If you want to update the readme, you are free to fix typos, errors, add or improve descriptions, but if you have a style change in mind please use an issue (or specific pull request) so that it can be discussed.


All the following people who have contributed to the extension:

  • Achille Lacoin
  • Andre Bossert
  • Bart Sokol
  • chriskoerner
  • cirrusj
  • Dan Allen
  • Daniel Mulholland
  • danyill
  • Garrett D'Amore
  • Gigacee
  • Guillaume Grossetie
  • Jackson C. Wiebe
  • jacksoncougar
  • João Pinto
  • Johannes Rössel
  • Joshua Stafman
  • Kevin Palmowski
  • Lars Hvam
  • larshp
  • Loïc PÉRON
  • Marcelo Alvim
  • Mark Roszko
  • Masanori Asano
  • Matteo Campinoti
  • MatteoCampinoti94
  • ojn
  • Øyvind Hansen
  • sgn
  • shaneknysh
  • Stephen Pegoraro
  • Tatsunori Uchino
  • Tilmann Oestreich
  • Waldir Pimenta

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