Markups

Markups is a free online Markdown editor with real-time preview, supporting Mermaid diagrams, KaTeX math, and syntax highlighting. It allows users to export documents to PDF, HTML, and DOCX.

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At a glance

Pricing

Free · Open Source

Free tier

Yes

API

Skill level

Technical

Product Hunt

About

What is Markups?

Markups is a free, privacy-focused online Markdown editor designed for efficiency and versatility. It offers a real-time live preview, allowing users to see their formatted content as they type. The editor supports advanced features such as Mermaid diagrams for visual representations, KaTeX for mathematical equations, and comprehensive syntax highlighting for code blocks. Users can export their documents into various formats including PDF, HTML, and DOCX. Built with the Monaco Editor (the same engine as VS Code), Markups provides a familiar and powerful editing experience without requiring any login or personal data collection, making it a privacy-first choice for content creation.

Best used for

Ideal for writers and developers who need to draft technical documentation, create blog posts with rich media, and prepare academic content with complex equations. Especially valuable for users prioritizing privacy and seeking a feature-rich, free online editor with multi-format export capabilities.

Common actions

write markdown

preview markdown

export documents

create diagrams

typeset math

GitHubUser experienceopen-sourceproductivity

Capabilities

Key features

Real-time Markdown preview
Mermaid diagram support
KaTeX math equations
Syntax highlighting
Export to PDF/HTML/DOCX
Offline PWA support
Monaco Editor

Target Audience

writerdevelopercontent creatorblogger

Integrations

Not yet documented

Pricing & Plans

Free · Open Source

Free

FAQs

Is Markups completely free to use?

Yes, Markups is 100% free with no subscription, account, or hidden fees. It operates entirely within your browser, ensuring no costs are incurred for its use.

Can Markups be used offline?

Yes, Markups functions as a Progressive Web App (PWA). After its initial load, it can be used fully offline. You also have the option to install it as a desktop or mobile application.

Does Markups support diagrams and mathematical equations?

Absolutely. Markups integrates Mermaid.js for rendering various diagrams like flowcharts and sequence diagrams, and KaTeX for LaTeX math typesetting, supporting both inline and block equations.

How does Markups ensure user privacy?

Markups is designed with privacy in mind. All content you create remains within your browser session and is never sent to any server. There is no account system, tracking, or cloud synchronization.

What export formats are available in Markups?

Markups allows you to export your Markdown documents into several popular formats, including PDF, HTML (as a standalone file), and raw Markdown (.md) files, as well as DOCX and plain text.

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Productivity & Business › Document Management

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