Markdown Editor

Write Markdown with live preview, toolbar shortcuts, and one-click export

Markdown

Preview

Welcome to Markdown Editor

Write bold, italic, ~~strikethrough~~, and inline code text easily.

Features

Live split preview as you type
Full formatting toolbar with keyboard shortcuts
Export to .md or .html with styling baked in
Word count, character count, and line count
Undo / Redo support

Code Example

function greet(name) {
  return Hello, ${name}!;
}

"The best way to predict the future is to create it." — Abraham Lincoln

Table

Feature	Status
Bold & Italic	✅ Done
Code Blocks	✅ Done
Tables	✅ Done
Images	✅ Done

Visit OmniWebKit for more free tools!

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Free Online Markdown Editor with Live Preview — Write, Format & Export

Markdown is the most popular lightweight markup language in the world. Developers use it to write README files on GitHub. Technical writers use it for documentation sites. Bloggers use it for posts on platforms like Ghost, Hashnode, and Dev.to. Content teams use it in headless CMS tools like Contentful and Sanity. If you write on the web, you will eventually write Markdown.

The OmniWebKit Markdown Editor gives you everything you need to write great Markdown in your browser — with zero setup. The live split-pane view shows your formatted output in real time as you type on the left. A full formatting toolbar lets you insert bold, italic, strikethrough, headings, blockquotes, code blocks, bullet lists, numbered lists, horizontal rules, links, images, and tables with a single click. Keyboard shortcuts (Ctrl+B for bold, Ctrl+I for italic, Ctrl+Z for undo) let you move fast. All three view modes are available: Editor only, Preview only, or Split (side-by-side). A fullscreen mode removes all distractions when you need to focus.

When you are done writing, you have four export options: copy the raw Markdown to your clipboard, copy the rendered HTML to your clipboard (ready to paste into any CMS or HTML editor), download the file as a .md file, or download as a .html file (with embedded CSS styling ready to open in any browser). The word count, character count, and line count are always visible in the footer.

Markdown Syntax Quick Reference

**bold text**Bold (Ctrl+B)

*italic text*Italic (Ctrl+I)

~~strikethrough~~Strikethrough

`inline code`Inline code

# Heading 1 — ## Heading 2Headings (H1–H6 using 1–6 # symbols)

> blockquote textBlockquote

- item or * itemUnordered bullet list

1. itemOrdered numbered list

[link text](https://url.com)Hyperlink

![alt](https://image.url)Image

---Horizontal rule

```lang\ncode here\n```Fenced code block with language

Who Uses Markdown?

Software developers

GitHub README files, code documentation, wikis, and issue comments are all written in Markdown. Most code editors (VS Code, JetBrains, Neovim) have excellent Markdown support.

Technical writers

Documentation platforms like Docusaurus, MkDocs, GitBook, and Read the Docs use Markdown as their primary authoring format.

Bloggers and writers

Platforms including Ghost, Hashnode, Dev.to, Substack, and Medium all support Markdown for writing blog posts, articles, and newsletters.

Note-takers

Tools like Obsidian, Notion, Logseq, and Bear use Markdown as their core note format. Notes written in Markdown are portable across tools.

Project managers

Many project management tools (Linear, Jira, Basecamp, Asana) support Markdown in issue descriptions, comments, and documentation sections.

Educators and students

Academic platforms and course management systems increasingly accept Markdown for assignments, notes, and study materials that need formula or code formatting.

Frequently Asked Questions

What is Markdown?+

Markdown is a lightweight markup language created by John Gruber in 2004. You use simple text symbols, like ** for bold and # for headings, which convert to HTML. It is designed to stay readable as plain text even before conversion.

Does the Markdown editor save my work?+

This editor runs entirely in your browser and keeps content in memory for the current session only. Use Save .md to download the file, or Copy MD to put it on your clipboard. Closing the tab loses anything you have not exported.

Can I use Markdown for tables?+

Yes. Use the Table button to insert a template. Tables use pipe characters to separate columns and a row of hyphens to mark the header. Worth knowing that tables are an extension, not part of the original Markdown spec.

What is the difference between the .md and .html export?+

The .md export saves the raw Markdown, which is what you want for version control and for anything that renders Markdown itself. The .html export converts it to formatted HTML with embedded styles, ready to open in a browser.

What Markdown flavour does this editor support?+

CommonMark, plus tables from the GitHub extension set. That covers headings, emphasis, code fences, blockquotes, lists, links, images and horizontal rules. It is not full GitHub Flavored Markdown.

Does the editor work offline?+

Once the page has loaded, yes. All conversion happens in JavaScript in your browser, so you can disconnect and keep writing. You only need a connection for the initial page load.

Can I insert local images?+

Not directly, and this catches people out. The preview can only load images with a public URL, so a file path from your machine shows a broken image. Host the file, or convert it to a Data URI first.

Is there a document length limit?+

No enforced limit, but the split view re-renders the preview on every keystroke. Past roughly ten thousand words you will feel that on a slower machine. Working in sections is easier than fighting it.

Will my document look the same on GitHub?+

Close, but not identical. GitHub adds its own extensions on top — task lists, alert callouts, mermaid diagrams and emoji shortcodes — none of which render here. A file that looks right in this preview can still surprise you after a push.

Why did my HTML get stripped in the export?+

Raw HTML inside Markdown is handled conservatively to avoid injecting scripts into the exported file. Structural tags usually survive; script tags and inline event handlers do not. That is deliberate rather than a bug.

Writing a README Rather Than Free-Form Markdown?

This editor gives you a blank canvas, which is right for notes and drafts. A README has a known shape, so starting from structure is usually faster than starting from nothing.

Our GitHub README builder assembles the standard sections from a form, and the README templates give you a starting point per project type.

One thing to know before pasting anything into GitHub: it renders its own flavour of Markdown. Tables, task lists and alert callouts are GitHub extensions, so a preview here can be correct and still not match. The differences are in our GitHub markdown syntax reference.

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