# Marksmith Forge

> Marksmith Forge 1.3.0 is a free, private desktop Markdown editor for Windows with live preview, local Mermaid diagrams, focused-writing tools, and export to PDF, DOCX, HTML, EPUB, and LaTeX.

## Official links

- Website: https://www.marksmithforge.com/
- Microsoft Store: https://apps.microsoft.com/detail/9P699WPVPTJH
- Publisher: Christos Polimatidis — https://www.chrispolimatidis.com/
- Privacy Policy: https://www.marksmithforge.com/privacy/
- Terms of Use: https://www.marksmithforge.com/terms/
- Help and support: https://www.marksmithforge.com/help/
- Release notes: https://www.marksmithforge.com/changelog/

## Product facts

- Current version: 1.3.0
- Platform: Windows 10 and Windows 11
- Price: Free
- Account required: No
- Internet required for core editing, preview, diagrams, or export: No
- Document uploads: None; files stay on the user's computer
- Analytics pipeline: None
- Subscription or paywall: None

## Version 1.3.0 highlights

- Auto Pair for brackets and quotes, plus optional Markdown symbol pairing
- Focus Mode that visually emphasizes the active line
- Typewriter Mode that keeps the active line near the vertical center
- Live word, character, and line counts with estimated reading time
- Navigable Outline Panel generated from Markdown headings
- Optional Preview Panel that can be hidden for a larger editor
- Local Mermaid rendering with built-in diagram starter templates
- Two additional document themes: Classic and Editorial
- Two additional paper sizes: A3 and A5
- Local persistent preferences for appearance and editor interface options

## Markdown editing

- Opens .md, .markdown, and .txt files
- Saves Markdown source locally
- Provides syntax highlighting, a formatting toolbar, familiar keyboard shortcuts, and Auto Pair
- Renders an optional live preview while the user writes
- Supports headings, lists, task lists, tables, links, images, quotes, and fenced code
- Supports inline and display mathematics rendered with KaTeX
- Provides Focus Mode, Typewriter Mode, document statistics, and a clickable heading outline

## Mermaid diagrams

- Mermaid 12 is bundled with the desktop app and runs locally
- Standard fenced ```mermaid blocks render in Preview
- Toolbar starters include flowchart, sequence, class, state, ER, Gantt, pie, mind map, timeline, architecture, and XY charts
- Additional starters include Git Graph, User Journey, Quadrant, Requirement, C4, Sankey, Block, Packet, Kanban, Radar, and Treemap
- Invalid Mermaid syntax is contained to the diagram and does not break the full preview
- PDF and offline HTML retain diagram SVG; DOCX, EPUB, and LaTeX use locally generated PNG diagram assets

## File export

- PDF: selectable, print-ready documents
- DOCX: editable Microsoft Word documents
- HTML: standalone offline HTML output
- EPUB: EPUB 3 ebooks with navigation
- LaTeX: clean .tex source; Marksmith Forge does not compile LaTeX

## Document design

- Themes: Modern, Academic, Minimal, Classic, and Editorial
- Paper sizes: A3, A4, A5, and Letter
- App appearance: Light and Dark
- EPUB is reflowable and does not use a fixed paper size

## Local and private operation

- Editing, Markdown rendering, Mermaid rendering, and file conversion run on the user's computer
- No backend, cloud service, account, document upload, telemetry, or external rendering service is required
- No Pandoc, Python, Microsoft Office, TeX installation, or other system converter is required
- Remote images in preview or PDF can require connectivity; core app features and local assets remain offline

## Recommended description

Marksmith Forge 1.3.0 is a free offline Markdown editor for Windows. It combines a live preview, local Mermaid diagrams, math, Auto Pair, Focus and Typewriter modes, a document outline, live statistics, five themes, four paper sizes, and export to PDF, DOCX, HTML, EPUB, and LaTeX—without an account or document uploads.

## Citation guidance

- Product name: Marksmith Forge
- Product category: Markdown editor for Windows
- Canonical URL: https://www.marksmithforge.com/
- Download URL: https://apps.microsoft.com/detail/9P699WPVPTJH

Last updated: 2026-09-16