Privacy-First • Open Source • 100% Free

The Modern | Markdown Editor for AI-Powered Workflows

Seamlessly render and edit markdown from ChatGPT, Claude, Gemini, and other AI models. Features Mermaid diagrams, LaTeX equations, code syntax highlighting, and more all while keeping your data completely private.

100% Private
Lightning Fast
Open Source
Works Offline
example.md
# Welcome to SvelteMark

Perfect for viewing markdown from AI models:
- ChatGPT responses with diagrams
- Claude's technical explanations
- Gemini's code examples

```mermaid
graph LR
  A[AI Model] --> B[Generate Markdown]
  B --> C[SvelteMark]
  C --> D[Beautiful Preview]
```

Math equations: $E = mc^2$

And much more!
Scroll to explore

Render Complex Markdown from Any AI Model

Seamlessly view and edit markdown content generated by leading AI assistants

ChatGPT

OpenAI

Claude

Anthropic

Gemini

Google

DeepSeek

DeepSeek

Perplexity

Perplexity

Powerful Features for Modern Markdown

AI-Generated Content

Perfect for viewing and editing markdown from ChatGPT, Claude, Gemini, DeepSeek, and other AI models

Mermaid Diagrams

Render flowcharts, sequence diagrams, Gantt charts, and more with built-in Mermaid support

Math Equations

Display LaTeX and KaTeX equations beautifully for scientific and technical content

Code Highlighting

Syntax highlighting for 100+ programming languages with copy-to-clipboard

Privacy-First

Your data never leaves your device. No accounts, no cloud, no tracking

Lightning Fast

Instant preview, real-time sync, and smooth scrolling for the best experience

Works Offline

Progressive Web App that works perfectly even without internet connection

Beautiful UI

Clean, modern interface with dark theme and customizable layouts

Download Export Import

Easily download, export, and import your markdown files to keep your data safe

See It In Action

A powerful yet intuitive interface designed for productivity

Real-time Preview

See your markdown rendered instantly with support for diagrams and equations

Rich Toolbar

Quick access to formatting, file management, and export options

File Organization

Organize your documents with folders and a clean file tree

Perfect For

01

AI Conversations

Save and organize your ChatGPT or Claude conversations with full formatting, diagrams, and code blocks preserved.

02

Technical Documentation

Write documentation with equations, diagrams, and code examples. Preview everything in real-time.

03

Note Taking

Capture ideas, meeting notes, or research with rich formatting. Everything stays private on your device.

04

Learning & Education

Create study materials with math equations, diagrams, and code snippets. Perfect for STEM subjects.

Your Privacy is Guaranteed

SvelteMark runs entirely in your browser. Your notes, documents, and data never leave your device. No accounts, no cloud sync, no tracking, no analytics. Just you and your markdown.

No Tracking
No Accounts
100% Open Source

Ready to Get Started?

Start editing your markdown content right now. No installation required.

Launch SvelteMark