HTML and Markdown Editor

GreenLight DashBoard treats an HTML card as a first-class board element. Add or generate a card, preview it live on the canvas, edit it with AI or in a built-in visual editor, and turn an animated card into a screenshot or a video — all in the app. Markdown and PDF files preview the same way.

What it supports

  • HTML cards — an .html document that becomes a live, previewing element. Markdown (.md) and PDF (.pdf) files are supported too.
  • Edit with AI — the card’s AI button opens the Board Agent focused on that card and it rewrites the HTML in place.
  • Edit visually — the card’s Edit button opens the built-in visual editor so you can change it without touching code; Markdown gets a dedicated formatting toolbar.
  • Render to image or video — capture a screenshot of a card, or render an animated card to a video file placed on the board.
  • Preview in place — HTML, Markdown, and PDF elements render their content directly on the canvas, no external app needed.

Where cards come from

  • Imported — drag or drop an .html file onto a board, or paste HTML.
  • Generated — ask the Board Agent to create a card; it adds the element and writes the HTML for you.
  • Authored — create a card and write it in the visual editor.

Why HTML

An HTML card is a flexible design surface: it can be a static layout (a quote card, a title frame) or a full CSS/JS animation. Because the app can both preview it live and render it to PNG or MP4, an HTML card doubles as a design you can drop straight into a video project or export as an image.

Where to go next

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