# Mathfold

> Mathfold converts Markdown and AI chat answers (ChatGPT, Claude, Gemini) into Word (.docx) and PDF files with native, editable Word equations, automatic landscape pages for wide tables and Mermaid diagrams. Web app, REST API and remote MCP server.

- Web app: https://mathfold.com/ (free plan; Pro $4.99/month or $39/year)
- REST API: POST https://mathfold.com/v1/convert with an API key (Authorization: Bearer mf_...)
- MCP server: https://mathfold.com/mcp (Streamable HTTP, tool convert_markdown)
- Documents are converted in memory and not stored.

## Docs

- [Overview](https://mathfold.com/index.md): what Mathfold reads and writes, plans, privacy, FAQ
- [API and MCP reference](https://mathfold.com/developers.md): authentication, options, errors, MCP setup
- [OpenAPI 3.1](https://mathfold.com/openapi.json): machine-readable REST API description

## Guides

- [How to convert a ChatGPT answer to Word, with working equations](https://mathfold.com/guides/chatgpt-to-word.md): Copy the answer, paste it, download a .docx with editable equations.
- [Export a Claude response to Word or PDF](https://mathfold.com/guides/claude-to-word.md): Dollar-sign maths, aligned equations and Mermaid diagrams from Claude, exported properly.
- [Gemini to Word: fix formulas that lost their backslashes](https://mathfold.com/guides/gemini-to-word.md): Copied formulas that turned into [ x ] become proper equations again.
- [Convert LaTeX maths to native Word equations](https://mathfold.com/guides/latex-to-word.md): Fractions, align blocks, cases and matrices as editable Word equations, not images.
- [Markdown to Word (.docx) online](https://mathfold.com/guides/markdown-to-word.md): Every Markdown element mapped to the right Word feature, not just formatted text.
- [Markdown to PDF with maths, diagrams and wide tables](https://mathfold.com/guides/markdown-to-pdf.md): A paginated PDF with typeset maths and landscape pages where tables need them.
- [Put Mermaid diagrams in Word and PDF](https://mathfold.com/guides/mermaid-to-word.md): Flowcharts, sequence and Gantt diagrams drawn from code and fitted to the page.
- [Wide table in Word? Put it on a landscape page automatically](https://mathfold.com/guides/wide-tables-word.md): Every table measured; the wide ones get a landscape page, the rest stay put.

## Optional

- [Full text of all docs](https://mathfold.com/llms-full.txt): overview, API reference and every guide in one file
- [Privacy policy](https://mathfold.com/privacy)
- [Terms of service](https://mathfold.com/terms)
- [Refund policy](https://mathfold.com/refund)