Online Markdown Editor
Online Markdown editor with live preview, GitHub Flavored Markdown support, toolbar, word count, and export to HTML or .md file.
Online Markdown Editor — write, preview, and export instantly
Markdown is the lingua franca of developer documentation, README files, blog drafts, forum posts, and note-taking apps. This online Markdown editor gives you a live split-pane view: write on the left, see the rendered HTML on the right, with zero lag and zero server uploads.
Why use an online Markdown editor?
Desktop editors are great for long-form writing, but an online editor is faster when you need a quick preview, want to copy HTML into a CMS, or are working from a machine where you cannot install software. This tool supports GitHub Flavored Markdown (GFM): tables, task lists, strikethrough, fenced code blocks with syntax highlighting, and autolinks.
Features
- Live preview — see rendered HTML as you type, updated instantly.
- GFM support — tables, task lists, strikethrough, fenced code blocks.
- Toolbar — quick buttons for bold, italic, headings, links, code, lists, and blockquotes.
- Export options — copy the rendered HTML or download the raw Markdown as a .md file.
- Word and character count — useful when writing to a target length.
Who uses this
Software developers writing README files and PR descriptions, technical writers drafting documentation, bloggers composing posts for static site generators, students writing formatted notes, and anyone who prefers writing in plain text with light formatting.
Practical tips
- Select text before clicking a toolbar button to wrap it (e.g. select a word and click Bold).
- Use the Download .md button to save your work locally.
- Copy HTML to paste into a CMS, email, or website that accepts raw HTML.
- The editor auto-saves to your browser's local storage — refresh the page to recover your draft.
Live preview, no install, no account
This is a split-pane Markdown editor: you write on the left, you see formatted HTML on the right, instantly. No login, no cloud sync that you can't turn off, no premium tier. Your draft lives in your browser tab only — close the tab and the draft is gone (refresh-resilient via localStorage, optional).
Supported syntax
- Headings (# through ######), bold, italic, strikethrough, inline code, code blocks with fenced language hints.
- Unordered and ordered lists with arbitrary nesting.
- Tables with column alignment.
- Block quotes, horizontal rules, links, images, and reference-style links.
- GitHub Flavored Markdown extensions: task lists, autolinks, and tables.
Use cases
- READMEs and project docs — preview how your Markdown will render on GitHub or GitLab before committing.
- Blog drafts — write a post in plain Markdown, copy the rendered HTML into any CMS.
- Issue and PR descriptions — compose the formatted body locally so you don't lose work to a flaky web form.
- Tech notes — keep a personal scratchpad that renders cleanly without any tooling install.
Export options
Copy the formatted HTML output and paste into any rich-text editor. Or copy the original Markdown source and use it anywhere Markdown is supported. Both panes are scroll-synchronized so you can navigate large documents quickly.
Related tools
People using the Markdown Editor often also use HTML to Markdown, Word Counter, JSON Formatter, and Text Diff Checker.
Frequently Asked Questions
Is this tool free to use?
Yes. The tool is free to use in your browser and does not require an account.
Do I need to install anything?
No. The workflow runs in a normal modern browser, so you can use it on desktop or mobile without installing extra software.
Is my input uploaded to a server?
No. All processing happens locally in your browser. Your code, tokens, and data never leave your device.
Can I use this for production work?
Yes, but always verify the output before using it in production. Keep a copy of your original input.
What should I check before using the result?
Review the output for accuracy, formatting, encoding, and compatibility with your target system before deploying or committing.
Why does the result look different from another tool?
Different tools may use different parsing rules, formatting defaults, or encoding behavior. Check the options and compare with your target platform requirements.