Render Markdown Slides

Convert a Marp-flavoured markdown file into a slide deck: PDF, PPTX, or interactive HTML.

When to use

• Generate presentation PDFs from markdown for sharing or printing.
• Export PPTX for further editing in PowerPoint or Keynote.
• Build HTML decks for self-hosted or embedded presentations.

Inputs & outputs

Input modality	Markdown with Marp frontmatter (inline string or URL)
Output modality	Slide deck file (GCS URL)
Max slides	200 per deck
Max inline size	500 KB

Parameters

Param	Required	Description
output_format	yes	Output format — pdf, html, pptx
theme	no	Marp built-in theme — default, gaia, uncover. Default: default
slide_size	no	Aspect ratio — 16:9 or 4:3. Default: 16:9

Examples

16:9 PDF deck with default theme

{
  "type": "document.render_slides",
  "input": { "markdown_inline": "---\nmarp: true\n---\n# Slide 1\n\n---\n\n# Slide 2" },
  "params": { "output_format": "pdf", "theme": "default", "slide_size": "16:9" }
}

PPTX with Gaia theme from URL

{
  "type": "document.render_slides",
  "input": { "markdown_url": "gs://infery-prod-media/decks/pitch.md" },
  "params": { "output_format": "pptx", "theme": "gaia", "slide_size": "4:3" }
}

Pricing

Billed per slide rendered. See pricing dashboard for current rates.

Related capabilities

• document.convert_format — convert plain markdown to PDF/DOCX (non-slide layout)
• document.extract_text — extract content from existing PDF presentations

{
  "output_format": "pdf",
  "theme": "default",
  "slide_size": "16:9"
}