- Well If The Pic Is From The Internet I Think This Code Will Work 
- Markdown Vscode Image
- Cached
- Markdown Syntax
- Markdown Preview Enhanced
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Markdown documents are written in plain text, and thus are often simpler to create, edit and manage using text editors intended for writing code. This page includes a how-to discussion of using VSCode, a software package (and associated customizing plugins) intended for writing code that lends itself well to markdowns as well. Install from the VSCode Marketplace. See more in the blog post: Suping Up VS Code as a Markdown Notebook. For common issues / workarounds, please see TROUBLESHOOTING-FAQ.md. Also, take a look at the RECOMMENDED-SETTINGS.md wiki-links. Markdown Notes for VS Code. Use wiki-links, backlinks, #tags and @bibtex-citations for fast-navigation of markdown notes. Automatically create notes from new inline wiki-links. Bring some of the awesome features from apps like Notational Velocity, nvalt, Bear, FSNotes, Obsidian to VS Code, where you also have (1) Vim key bindings and (2) excellent extensibility.
Working with Markdown files in Visual Studio Code is simple, straightforward, and fun. Besides VS Code's basic editing, there are a number of Markdown specific features that will help you be more productive.
Markdown extensions
In addition to the functionality VS Code provides out of the box, you can install an extension for greater functionality.
Tip: Click on an extension tile above to read the description and reviews to decide which extension is best for you. See more in the Marketplace.
Markdown preview
VS Code supports Markdown files out of the box. You just start writing Markdown text, save the file with the .md extension and then you can toggle the visualization of the editor between the code and the preview of the Markdown file; obviously, you can also open an existing Markdown file and start working with it. To switch between views, press ⇧⌘V (Windows, Linux Ctrl+Shift+V) in the editor. You can view the preview side-by-side (⌘K V (Windows, Linux Ctrl+K V)) with the file you are editing and see changes reflected in real-time as you edit.
Here is an example with a very simple file.
Tip: You can also right-click on the editor Tab and select Open Preview (⇧⌘V (Windows, Linux Ctrl+Shift+V)) or use the Command Palette (⇧⌘P (Windows, Linux Ctrl+Shift+P)) to run the Markdown: Open Preview to the Side command (⌘K V (Windows, Linux Ctrl+K V)).
Dynamic previews and preview locking
By default, Markdown previews automatically update to preview the currently active Markdown file:
You can lock a Markdown preview using the Markdown: Toggle Preview Locking command to keep it locked to its current Markdown document. Locked previews are indicated by [Preview] in the title:
Well If The Pic Is From The Internet I Think This Code Will Work 
Editor and preview synchronization
VS Code automatically synchronizes the Markdown editor and the preview panes. Scroll the Markdown preview and the editor is scrolled to match the preview's viewport. Scroll the Markdown editor and the preview is scrolled to match its viewport:
You can disable scroll synchronization using the markdown.preview.scrollPreviewWithEditor and markdown.preview.scrollEditorWithPreviewsettings.
The currently selected line in the editor is indicated in the Markdown preview by a light gray bar in the left margin: Paint shop pro 7 for mac.
Additionally, double clicking an element in the Markdown preview will automatically open the editor for the file and scroll to the line nearest the clicked element.
Outline view
The Outline view is a separate section in the bottom of the File Explorer. When expanded, it will show the symbol tree of the currently active editor. For Markdown files, the symbol tree is the Markdown file's header hierarchy.
The Outline view is a great way to review your document's header structure and outline.
Extending the Markdown preview
Extensions can contribute custom styles and scripts to the Markdown preview to change its appearance and add new functionality. Here's a set of example extensions that customize the preview:
Using your own CSS
You can also use your own CSS in the Markdown preview with the 'markdown.styles': []setting. This lists URLs for style sheets to load in the Markdown preview. These stylesheets can either be https URLs, or relative paths to local files in the current workspace.
For example, to load a stylesheet called Style.css at the root of your current workspace, use File > Preferences > Settings to bring up the workspace settings.json file and make this update:
Keep trailing whitespace in order to create line breaks
To create hard line breaks, Markdown requires two or more spaces at the end of a line. Depending on your user or workspace settings, VS Code may be configured to remove trailing whitespace. In order to keep trailing whitespace in Markdown files only, you can add these lines to your settings.json:
Markdown preview security
For security reasons, VS Code restricts the content displayed in the Markdown preview. This includes disabling script execution and only allowing resources to be loaded over https.
When the Markdown preview blocks content on a page, an alert popup is shown in the top right corner of the preview window:
You can change what content is allowed in the Markdown preview by clicking on this popup or running the Markdown: Change preview security settings command in any Markdown file:
The Markdown preview security settings apply to all files in the workspace.
Here are the details about each of these security levels:
Strict
This is the default setting. Only loads trusted content and disables script execution. Blocks http images.
It is strongly recommended that you keep Strict security enabled unless you have a very good reason to change it AND you trust all markdown files in the workspace.
Allow insecure content
Keeps scripts disabled but allows content to be loaded over http.
Markdown Vscode Image
Disable
Disables additional security in the preview window. This allows script execution and also allows content to be loaded over http.
Snippets for Markdown
There are several built-in Markdown snippets included in VS Code - press ⌃Space (Windows, Linux Ctrl+Space) (Trigger Suggest) and you get a context specific list of suggestions.
Tip: You can add in your own User Defined Snippets for Markdown. Take a look at User Defined Snippets to find out how.
Compiling Markdown into HTML
VS Code integrates with Markdown compilers through the integrated task runner. We can use this to compile .md files into .html files. Let's walk through compiling a simple Markdown document.
Step 1: Install a Markdown compiler
For this walkthrough, we use the popular Node.js module, markdown-it.
Note: There are many Markdown compilers to choose from beyond markdown-it. Pick the one that best suits your needs and environment.
Step 2: Create a simple MD file
Open VS Code on an empty folder and create a sample.md file.
Note: You can open a folder with VS Code by either selecting the folder with File > Open Folder or navigating to the folder and typing 'code .' at the command line.
Place the following source code in that file:
Step 3: Create tasks.json
The next step is to set up the task configuration file tasks.json. To do this, run Terminal > Configure Tasks and click Create tasks.json file from templates. VS Code then presents a list of possible tasks.json templates to choose from. Select Others since we want to run an external command.
This generates a tasks.json file in your workspace .vscode folder with the following content:
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To use markdown-it to compile the Markdown file, change the contents as follows:
Tip: While the sample is there to help with common configuration settings, IntelliSense is available for the tasks.json file as well to help you along. Use ⌃Space (Windows, Linux Ctrl+Space) to see the available settings.
Step 4: Run the Build Task
Since in more complex environments there can be more than one build task we prompt you to pick the task to execute after pressing ⇧⌘B (Windows, Linux Ctrl+Shift+B) (Run Build Task). In addition, we allow you to scan the output for compile problems. Since we only want to convert the Markdown file to HTML select Never scan the build output from the presented list.
At this point, you should see an additional file show up in the file list sample.html.
If you want to make the Compile Markdown task the default build task to run execute Configure Default Build Task from the global Terminal menu and select Compile Markdown from the presented list. The final tasks.json file will then look like this:
Automating Markdown compilation
Let's take things a little further and automate Markdown compilation with VS Code. We can do so with the same task runner integration as before, but with a few modifications.
Step 1: Install Gulp and some plug-ins
We use Gulp to create a task that automates Markdown compilation. We also use the gulp-markdown plug-in to make things a little easier.
We need to install gulp both globally (-g switch) and locally:
Note: gulp-markdown-it is a Gulp plug-in for the markdown-it module we were using before. There are many other Gulp Markdown plug-ins you can use, as well as plug-ins for Grunt.
You can test that your gulp installation was successful by typing gulp -v. You should see a version displayed for both the global (CLI) and local installations.
Step 2: Create a simple Gulp task
Open VS Code on the same folder from before (contains sample.md and tasks.json under the .vscode folder), and create gulpfile.js at the root.
Place the following source code in that file:
What is happening here?
- We are watching for changes to any Markdown file in our workspace, i.e. the current folder open in VS Code.
- We take the set of Markdown files that have changed, and run them through our Markdown compiler, i.e.
gulp-markdown-it. - We now have a set of HTML files, each named respectively after their original Markdown file. We then put these files in the same directory.
Step 3: Run the gulp default Task
To complete the tasks integration with VS Code, we will need to modify the task configuration from before to run the default Gulp task we just created. You can either delete the tasks.json file or empty it only keeping the 'version': '2.0.0' property. Now execute Run Task from the global Terminal menu. Observe that you are presented with a picker listing the tasks defined in the gulp file. Select gulp: default to start the task. We allow you to scan the output for compile problems. Since we only want to convert the Markdown file to HTML select Never scan the build output from the presented list. At this point, if you create and/or modify other Markdown files, you see the respective HTML files generated and/or changes reflected on save. You can also enable Auto Save to make things even more streamlined.
If you want to make the gulp: default task the default build task executed when pressing ⇧⌘B (Windows, Linux Ctrl+Shift+B) run Configure Default Build Task from the global Terminal menu and select gulp: default from the presented list. The final tasks.json file will then look like this:
Step 4: Terminate the gulp default Task
The gulp: default task runs in the background and watches for file changes to Markdown files. If you want to stop the task, you can use the Terminate Task from the global Terminal menu.
Next steps
Read on to find out about:
- CSS, SCSS, and Less - Want to edit your CSS? VS Code has great support for CSS, SCSS, and Less editing.
Common questions
Is there spell checking?
Not installed with VS Code but there are spell checking extensions. Check the VS Code Marketplace to look for useful extensions to help with your workflow.
Does VS Code support GitHub Flavored Markdown?
No, VS Code targets the CommonMark Markdown specification using the markdown-it library. GitHub is moving toward the CommonMark specification which you can read about in this update.
In the walkthrough above, I didn't find the Configure Task command in the Command Palette?
You may have opened a file in VS Code rather than a folder. You can open a folder by either selecting the folder with File > Open Folder or navigating to the folder and typing 'code .' at the command line.
Markdown is a formatting language used when the resulting document will be rendered or converted into html documents for web-viewable material. The format is commonly used to generate documents like readme’s in GitHub or blog posts and even this website. Markdown documents are written in plain text, and thus are often simpler to create, edit and manage using text editors intended for writing code. This page includes a how-to discussion of using VSCode, a software package (and associated customizing plugins) intended for writing code that lends itself well to markdowns as well.
Markdown References
There are multiple “flavors” of markdown, for example, this site is rendered using GitHub-flavored markdown. More detailed instructions for the various types of formatting possible using GitHub flavored markdown can be found here. A handy Markdown Cheatsheet is also available here, and can serve as a useful refresher for the formatting required in your markdown in order to use automatic formatting features such as headings, table of contents, tables, links, image embedding and comments.
Markdown Syntax
VSCode is freely available here and is supported on all major operating systems (Windows, macOS & Linux). Download the correct version for your platform and install it. Note, on a Mac you may need to drag the application icon from wherever you unpacked the zip to your Applications folder. This editor has a variety of features that are useful for editing markdowns including an option to toggle a preview pane to view the rendered markdown as you edit. There are also user-developed plugins that can be installed when needed to tailor the editor to your specific needs.
Creating and Editing Markdown documents
To get started creating or editing markdown files, you should already have a folder set up where you will be working with your markdown files (e.g., a cloned GitHub repo like the one this site is generated from, a folder containing your documentation) on your workstation. From the VSCode “File” menu, select “Open Folder” or “Open” (on macOS) and navigate to the folder containing the files you wish to edit, or to the empty folder you will be creating new documents in. The image below shows and open folder with some markdown files to edit. If you open a folder then all available documents in the folder will show up in the left sidebar, allowing you to switch between documents by simply selecting the files.
Select an existing file or create a new file (File –> New File) and save it with the .md extension. When you click on the file name it will open a tab and display the contents of the file.
To see a live side-by-side preview of the rendered markdown document to check the formatting and see any images, you can click on the split window with magnifying glass icon in the upper right of the open files tab. After clicking on this tab, a new pane will appear on the right and display the rendered markdown.
Note: While it’s possible to edit markdown files from random locations in your file system in a one-off manner without opening the folder in VSCode, opening the folder is required for the features of some plugins and linters to work correctly.
Git Integration
VSCode has built-in support for Git repositories (you still need Git installed on your workstation if it’s not already present).
If the folder you have open to edit files is a Git repo, any changes made to files that you’ve saved, the “Git” icon (1) in the left toolbar will have a blue circle indicating how many un-staged/un-committed files there are. To stage (git add) a file that you wish to commit, click on the Git icon, then the file that you want to stage. Click on the “+” icon (2) to stage the file. To commit the changes, enter a commit message in the message box (3) and then click the check mark icon (4).
Markdown Preview Enhanced
To push your changes to a remote repository, pull in any new changes from the remote repository or other git functions, click on the “…” icon (5) to reveal the full Git menu.
Installing Plugins
After you have VSCode installed, you can start creating and editing markdown files right away, but there are a few VSCode plugins that will be very helpful. These plugins will allow you to easily paste images into your documents and check the spelling and find formatting errors.
To install a plugin, in VSCode, click on the square extensions icon in the upper left tool bar (1), then in the search box (2) type the name of the plugin you wish to install, find the plugin you are looking for in the results, click on it and then click on the green “Install” button. After it’s installed you’ll need to reload VSCode to use it.
Below are the recommended plugins for authoring Markdown:
Plugin: Paste Image
The “Paste Image” plugin is a huge time saver if your documentation will contain lots of images. Install the Paste Image plugin from “mushan”.
By default, Paste Image will create (if it doesn’t already exist) a single “images” folder at the root of your open directory structure for all images pasted. If you would like to keep your images folder at the same level of the directory structure as your markdown document (to keep them together), you can make the following configuration change. Go to “File” –> “Preferences” –> “Settings” (or “Code” –> “Preferences” –> “Settings” on macOS) and in the “User Settings” configuration section, add the following pasteImage entries between the curly braces like the following, then close the user settings tab and click save json.
In this example the sub-folder that will be created in the assets folder named after your file name (this just lets us avoid a single huge assets folder in the long run). Note: if you are editing markdown that is destined for the Fred Hutch Wiki, you must use the above configuration. It is set in the workspace settings for vscode at /.vscode/settings.json which will override the user settings. However in other contexts, you may need to use another folder name like images in order for certain processes to function.
After the Paste Image plugin is installed and configured, you can simply copy your prepared image or screenshot, insert the cursor where you want to insert the image in the document and use Ctr+Alt+V on Windows or Linux and Command+Alt+V on macOS. This will automatically create the assets (or whatever you’ve named it) folder if doesn’t already exist and place your image there naming it with a date/timestamp. The inserted text in the editor will look like the following:
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Between the empty square brackets, you can place “alt-text”, or a string/name describing the image (it won’t be displayed in your browser or the preview). Without this “alt-text” the Markdown linter (plugin) will provide a warning, but it’s O.K. to leave it empty if you like for most downstream rendering processes.
More information about this plugin is available here
NOTE: To get the Paste Image working on Linux, it may be required to install the “xclip” package (sudo apt install xclip).
Plugin: Spellchecker
VSCode doesn’t include a built-in spell checker. To add a spell checker to VSCode, install the “Code Spell Checker” plugin from “Street Side Software.” After the plugin is installed (and VSCode reloaded) it should automatically start finding typos. There will be a green squiggly line under the suspect word. If the word is misspelled you can click on the word and a yellow light bulb icon will appear. Click on the light bulb icon and a menu should appear offering you suggestions. If the suspected work is in fact spelled correctly you can use the same context menu to add it to your local dictionary.
More information about this plugin is available here.
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Plugin: MarkdownLint
A markdown “linter,” a program that tests for formatting problems in a structured plain text file (there are also yaml linters, json linters, etc), may also be useful to help you write correctly formatted markdown. Install the “markdownlint” plugin from “David Anson.” It works exactly like the Spellchecker plugin. Hovering your cursor over the green squiggly underline will reveal the warning from the linter; clicking on the light bulb will reveal a click you can click to learn more about what you are doing wrong.
More information about this plugin is available here.