Unmarkdown is a markdown publishing platform that converts markdown into styled, shareable web pages with a single API call or through an in-browser editor. It offers 62 templates, rendering for Mermaid diagrams, Chart.js charts, Graphviz graphs and KaTeX math, and purpose-built copy/paste formatting for Google Docs, Word, Slack, OneNote, Email and plain text. It also includes connected-notes features such as wikilinks, a document graph, and AI-powered related-document suggestions.
What it's for
Features 20
- 12 AI quick actions (polish, make concise, restructure, professional, translate)
- 2D and 3D document graph visualization
- 62 professionally designed templates across 8 categories
- AI hover summaries on wikilinks (Claude Haiku or GPT-4o-mini via BYOK)
- AI-powered related documents via semantic search (OpenAI embeddings)
- Bring-your-own-key (BYOK) support for OpenAI/Anthropic
- Chart.js chart rendering (8 chart types)
- Copy-paste formatting tuned for Google Docs, Word, Slack, OneNote, Email and Plain Text
- Custom slugs and access controls for published pages (public, link-only, specific people)
- Downloads as DOCX, HTML or self-contained HTML/PDF
- GitHub-style callout blocks (NOTE, TIP, IMPORTANT, WARNING, CAUTION)
- Graphviz graph rendering (8 layout engines)
- KaTeX math rendering (inline and display)
- Mermaid diagram rendering (12 diagram types)
- One-call markdown-to-web-page publishing via API
- REST API with 13 endpoints and full OpenAPI spec
- Syntax-highlighted code blocks
- Task lists and formatted tables
- Unlinked mentions detection and auto-suggest links while typing
- Wikilinks ([[Title]]) for connecting documents
Pricing
Pro-rated refunds are offered for annual plans within 14 days of purchase; monthly plans are not refunded but retain access through the billing period. No credit card is required for the free plan.
5 documents, 3 published pages, 8 free templates, 10 AI actions (lifetime), All 6 paste destinations, Wikilinks + 2D document graph, Mermaid diagrams + KaTeX math, 3 shares per document, 1,000 API calls/month
5 documents, 3 published pages, 8 free templates, 10 AI actions (lifetime), 3 shares per document, 1,000 API calls/month
Monthly billing is $10/mo; billing annually brings the effective price to $8/mo, charged as $96/year.
10,000 API calls/month included, then $1 per 1,000 additional calls; unlimited documents and published pages
Annual billing saves 20% versus monthly billing ($96/year vs $120/year).
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