Skip to content
Switch branches/tags

GitHub WYSIWYG Rich-Text Editor

GitHub Writer is a WYSIWYG rich-text editor for GitHub. The extension is available when creating or commenting on issues, reviews, pull requests, and wikis. 

It provides all the features available in the GitHub plain-text editor, including Markdown input. For features like tables, it offers a much easier experience in comparison to plain-text Markdown and allows users to be more productive. 

It is powered by CKEditor 5, a modern JavaScript rich-text editor.


The extension can be found at the following directories for an easy one click installation:


One of the goals of this extension is to provide all the typical features available in the GitHub plain-text editor, including Markdown support. The following is the list of GitHub features, with the ones checked already available in GitHub Writer:

  • Inline formatting
    • Bold
    • Italic
    • Strikethrough
    • Inline code
  • Structure
    • Paragraphs (Enter)
    • Soft line-break (Shift+Enter)
    • Headings
    • Horizontal line separator
  • Blocks
    • Quotation
    • Code block
      • Language selection
  • Lists
    • Bulleted list
    • Numbered list
    • Task/To-do list
  • Links
    • On text
    • Auto-link URLs on pasting.
    • Auto-link URLs on typing.
  • Media
    • Image upload (including Wiki)
      • Drag-and-drop
      • Paste
      • Open file dialog
  • Auto-complete
    • People (list when typing "@")
    • Issues and PRs (list when typing "#")
  • Other
    • Emoji
      • OS, Unicode characters
      • Auto-complete (list when typing ":")
    • Escape Markdown in text
    • Tables
    • Quote selection (r key)
    • PR code suggestions
    • Saved replies

Pages enabled

GitHub Writer should be enabled in all places where the original Markdown editor is available. The following are currently implemented:

  • Issues
    • New
    • Editing
    • Comment
      • Editing
  • Pull requests
    • Create
    • Comment
      • Editing
    • Review
    • Code comments
      • Editing
  • Commits
    • Comment
    • Line comment
  • Wiki pages
  • Releases
  • Milestones
  • Settings > Saved Replies

Developer information

The source code contains additional readme files with technical details about the project:

Copyright (c) 2003-2020, CKSource Frederico Knabben. All rights reserved.

GitHub is a trademark of GitHub, Inc.