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Plain’s knowledge base is where you create and manage the help articles that power your public Help Center, Ask AI, as well as features including Ari and Sidekick. Articles are written in a rich text editor, no code needed, and published instantly.
Knowledge base in Plain

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Creating and organizing articles

Create new articles and organize them into groups from the Help Center sidebar.
  • Click New article to start writing, or generate one from a support thread (see Turn answers into articles →)
  • Group articles into categories to build clear navigation for your customers
  • Drag and drop to reorder articles and groups at any time
  • Articles are Draft by default, they’re not visible to customers or Ask AI until you publish them
  • Change status to Published and click Save to make an article live instantly

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Edit with AI

Refine an article with AI. When you hover over any section of your article, click the ✨ icon to choose an editing action:
  • Tidy up: Clean up awkward phrasing
  • Shorten: Make text more concise
  • Expand on this: Add more detail or context
  • Simplify: Use more accessible language
  • Fix spelling and grammar: Correct typos and errors
  • Fix tone: Adjust tone to match your brand
You can also enter a custom prompt to make more tailored changes.

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Formatting options

The editor supports a range of formatting to help you create rich, informative articles:
  • Headings (H1-3)
  • Basic text formatting (bold, italic, strikethrough etc.)
  • Links
  • Lists
  • Tables
  • Collapsible sections
  • Quotes
  • Custom HTML for embeds/iframes etc.
  • Images
  • Code blocks with syntax highlighting:
  • Callouts
Example info callout Example warning callout Example success callout Example tip callout This is a table:
Example content | Example content | Example content | This is a collapsible section
Content inside your section
This is a quote
Example quote content