What is a Markdown editor and why should I use one?

A Markdown editor lets you write plain text with simple formatting syntax (like **bold**, # headings, - lists) and see it rendered as formatted HTML in real-time. It's used for documentation, README files, blog posts, technical writing, and note-taking. The advantage over rich-text editors is that Markdown is portable, readable as plain text, and works everywhere.

Can I export Markdown to PDF for free?

Yes. KJSynthora's Markdown editor has a built-in PDF export. Click the 🖨 PDF button to open a print dialog where you can save as PDF with beautiful typography. The HTML export also downloads a fully styled standalone HTML file.

Does the Markdown editor save my work automatically?

Yes, your work auto-saves to your browser's localStorage every 1-2 seconds. You can also create multiple document tabs — each saves independently. Press Ctrl+S to manually save. Your documents persist even after closing the browser.

Is the AI writing assistant really free?

Yes. The AI assistant uses Groq's Llama 3.1-8b model which requires a free API key from console.groq.com. The key is stored only in your browser and no charges apply for typical usage. Groq provides generous free tier limits.

What Markdown syntax does this editor support?

All standard Markdown plus GitHub Flavored Markdown (GFM): headings H1-H6, bold, italic, strikethrough, code blocks with language highlighting, tables, blockquotes, task lists, footnotes, autolinks. Extensions: ==highlights==, ^superscript^, ~subscript~, definition lists.

Can I use this Markdown editor offline?

Yes, once the page is loaded, the editor works completely offline for writing, preview, export, and auto-save. The AI assistant requires an internet connection. You can use the editor on planes, trains, or anywhere without WiFi.

Markdown Writing Guides

Tutorials, tips, and deep-dives on Markdown, AI writing, and developer documentation workflows.

All Guides AI Writing Productivity Export Syntax

Markdown Editor FAQ

Answers to the most common questions about KJSynthora's free Markdown editor

About KJSynthora Markdown Editor

The most feature-rich free Markdown editor online. No signup, no limits, no ads — just powerful writing tools that work everywhere in your browser.

⚡

Live Preview

Instant HTML rendering as you type. Synced scroll keeps editor and preview perfectly aligned.

🤖

AI Assistant

Groq Llama 3.1-8b integration. Expand ideas, fix grammar, generate outlines — free key at console.groq.com.

📑

Multi-Tab Editing

Work on multiple documents simultaneously. Each tab auto-saves to browser localStorage independently.

🌿

Zen Focus Mode

Distraction-free fullscreen writing. Press F11 or click 🌿 to hide all UI. Perfect with Pomodoro timer.

📄

12+ Templates

Blog post, README, resume, meeting notes, project spec, API docs, newsletter, and more.

🕐

Version History

Automatic version snapshots as you write. Restore any previous version of your document.

🔍

Find & Replace

Full find and replace with match count, navigation, and replace-all. Press Ctrl+F.

🎯

Writing Goals

Set word count goals. Visual progress bar tracks your session. Pair with Pomodoro timer.

📤

Export Anywhere

Download as .md, styled HTML, or PDF. Copy as raw HTML for pasting into any CMS.

⚖ KJSynthora vs Other Markdown Editors

Feature	KJSynthora	Dillinger	StackEdit	Typora	Notion
Free	✓ Always	✓	✓	✗ Paid	⚠ Limited
No signup	✓	✓	✗	✓	✗
AI assistant	✓ Groq Llama	✗	✗	✗	⚠ Paid
Multi-tab	✓	✗	✓	✓	✓
Version history	✓	✗	✓	✗	⚠ Paid
Zen mode	✓	✗	✗	✓	✗
Export PDF	✓	✓	✓	✓	⚠ Paid
Works offline	✓	✗	✗	✓	✗
Pomodoro timer	✓	✗	✗	✗	✗
Word count goal	✓	✗	✗	✗	✗

🔒 Privacy

Data sent to serverNone

Files uploadedNone

CookiesNone

Tracking scriptsNone

AI key storedYour browser only

Auto-save locationBrowser localStorage

⌨ Key Shortcuts

BoldCtrl+B

ItalicCtrl+I

SaveCtrl+S

FindCtrl+F

LinkCtrl+K

Zen ModeF11

🔑 Groq API Key (Free)

🎯 Set Writing Goal

⌨ Keyboard Shortcuts