FreeKit is a collection of free online tools for developers, SEO professionals, designers, students, content creators, and everyday users.

Are all tools completely free?

Yes. Every tool on FreeKit is free to use without subscriptions or hidden charges.

Do I need to create an account?

No. You can use all tools instantly without creating an account.

No. Most tools process data locally in your browser, and we do not permanently store your inputs.

Can I use FreeKit on mobile devices?

Yes. Every tool is fully responsive and works on smartphones, tablets, laptops, and desktop computers.

How often are new tools added?

We regularly add new tools and improve existing ones based on user feedback and industry needs.

Which browsers are supported?

FreeKit supports all modern browsers, including Chrome, Edge, Firefox, Safari, and other Chromium-based browsers.

Can I share these tools with others?

Absolutely. You are welcome to share FreeKit with friends, colleagues, students, and your team.

What is a Markdown editor with live preview?

A Markdown editor with live preview is a writing tool that shows you the formatted output of your Markdown text in real time as you type. Instead of writing Markdown in one place and converting it separately, the editor displays the rendered HTML side by side (or stacked on mobile) with your raw Markdown source. This lets you see headings, bold text, lists, code blocks, and other formatting instantly, making it much easier to write and review Markdown content.

How does the live preview work?

The live preview uses a built-in Markdown parser that runs entirely in your browser. As you type in the editor pane, a debounced function (with a short delay of about 150 milliseconds) re-parses your Markdown text and converts it to HTML. The HTML is then rendered in the preview pane using React's dangerouslySetInnerHTML. This approach ensures smooth performance even with rapid typing, since the preview does not update on every single keystroke but rather after a brief pause.

What Markdown features are supported?

The editor supports a comprehensive set of Markdown features including headings (h1 through h4), bold (**text** and __text__), italic (*text* and _text_), strikethrough (~~text~~), inline links [text](url), images ![alt](url), unordered lists (- or *), ordered lists (1. 2. 3.), inline code (`code`), fenced code blocks with triple backticks, blockquotes (>), horizontal rules (--- or ***), and GFM tables with pipe syntax. These cover the most commonly used Markdown formatting for documentation, blog posts, and technical writing.

Does the editor support GitHub Flavored Markdown (GFM)?

Yes, the editor supports key GFM features. The most significant is table support using pipe characters to create structured data tables. GFM strikethrough with double tildes (~~text~~) is also supported. Fenced code blocks follow the GFM specification with triple backticks and optional language tags. These features make the editor compatible with content from GitHub README files, GitLab wikis, and other platforms that use GFM.

Can I export the rendered HTML?

Yes, the editor provides two export options. First, you can click the "Copy HTML" button to copy the generated HTML source code to your clipboard for pasting into a code editor or CMS. Second, you can click the "Export" button to download the rendered content as a complete .html file. The exported file includes a basic HTML document structure with a styled container, so it opens cleanly in any browser. Both options let you use your Markdown content in other tools and platforms.

Is my content private and secure?

Yes, completely. The Markdown editor and preview process all text entirely in your browser using client-side JavaScript. Your text is never sent to any server, stored in a database, or transmitted over the internet. You can safely write sensitive documentation, private notes, proprietary content, or any other text without privacy concerns. The tool works completely offline once the page has loaded, making it safe for confidential work.

How do I use the toolbar buttons?

The toolbar provides quick-insert buttons for common Markdown syntax. When no text is selected, clicking a button inserts the default syntax at your cursor position (for example, clicking Bold inserts **bold text**). When text is highlighted, the button wraps the selection with the appropriate syntax (highlighting "hello" and clicking Bold produces **hello**). The toolbar includes buttons for bold, italic, headings, links, images, inline code, unordered lists, ordered lists, blockquotes, tables, and horizontal rules.

Does the editor support syntax highlighting for code blocks?

The editor displays fenced code blocks with a distinct visual style — a rounded background container with monospace font and overflow scrolling, making code blocks clearly distinguishable from regular text. You can specify a language tag after the opening backticks (e.g., ```javascript) which is included in the output. While the editor does not apply token-level syntax coloring in the preview pane, the code blocks are properly formatted and ready to integrate with external syntax highlighting libraries like Prism.js or Highlight.js in your exported HTML.

Can I use the editor on mobile devices?

Yes, the editor is fully responsive. On desktop screens, it displays a side-by-side split-pane layout with the editor on the left and preview on the right. On mobile devices and smaller screens, the layout automatically switches to a vertically stacked view with the editor on top and the preview below. All toolbar buttons, action buttons, and the word/character counter remain accessible and functional on mobile. The editor uses touch-friendly tap targets for all interactive elements.

What is the difference between this editor and the Markdown to HTML converter?

The Markdown Editor & Preview is designed for writing and composing content with a real-time visual preview alongside your source text. It features a toolbar for quick formatting, a split-pane layout for simultaneous editing and previewing, and export options. The Markdown to HTML converter, on the other hand, is focused on conversion — you paste or type Markdown and get the raw HTML output with separate tabs for HTML code and rendered preview. Use the editor when you are actively writing and need live feedback. Use the converter when you have existing Markdown and want the cleanest possible HTML output for production use.

Markdown Editor & Preview

Write Markdown with a live side-by-side HTML preview.

BeginnerText ToolsFreev1.0.0Updated Jul 22, 2025

Editor0 words · 0 chars

Preview

Start typing to see the preview

or click "Sample" to load a demo

100% Private — Your Text Never Leaves Your Browser

All Markdown parsing and preview rendering happens entirely in your browser using client-side JavaScript. No data is sent to any server, stored, or tracked.

How to Use the Markdown Editor & Preview

Start typing Markdown — Click in the editor pane on the left and begin writing Markdown. The preview pane on the right updates in real time as you type, showing the rendered HTML output instantly.
Use the toolbar — Click the toolbar buttons above the editor to quickly insert Markdown syntax. Select text first to wrap it in formatting (e.g., select a word and click Bold to get **word**), or click a button with no selection to insert a template at your cursor position.
Check word and character counts — The editor pane header displays a live word count and character count so you can monitor the length of your content as you write.
Copy the HTML — Click the "Copy HTML" button to copy the generated HTML source code to your clipboard. You can then paste it into your HTML file, CMS editor, or code editor.
Export to a file — Click the "Export" button to download your rendered content as a complete .html file with styling. The exported file opens cleanly in any browser and is ready to share or host.
Try the sample — Click the "Sample" button to load a comprehensive Markdown demo that showcases all supported features including headings, lists, code blocks, tables, and more.

Features

Split-pane layout with editor on left and live preview on right
Responsive design — stacked vertically on mobile, side-by-side on desktop
Real-time debounced preview that updates as you type
Toolbar with 11 formatting buttons: Bold, Italic, Heading, Link, Image, Code, Lists, Blockquote, Table, HR
Smart text insertion — wraps selected text or inserts template at cursor
Built-in Markdown parser supporting headings, bold, italic, strikethrough, links, images, lists, code, blockquotes, tables, and HR
Full GitHub Flavored Markdown (GFM) table support
Live word count and character count in the editor header
One-click copy HTML to clipboard
Export to a styled .html file ready for sharing or hosting
Load sample Markdown button with comprehensive formatting examples
Clear button to reset the editor instantly
100% client-side processing — your content never leaves your browser

Understanding the Markdown Editor

Split-Pane Editing

The editor uses a side-by-side layout where the left pane contains your raw Markdown source and the right pane shows the rendered HTML preview. This is the standard approach used by professional Markdown editors because it lets you see both the markup and the result simultaneously. On mobile devices, the layout automatically stacks vertically so both panes remain usable on smaller screens.

Debounced Live Preview

The preview updates in real time but uses a 150-millisecond debounce to avoid excessive re-rendering. Without debouncing, every single keystroke would trigger a full Markdown parse, which could cause lag when typing quickly. The debounce waits until you pause briefly before updating the preview, resulting in smooth typing performance while still feeling instant.

Smart Toolbar Insertion

The toolbar buttons are context-aware. If you highlight text and click Bold, the selected text is wrapped in ** markers. If nothing is selected, clicking Bold inserts a template with placeholder text that you can immediately replace. The same logic applies to all formatting buttons including links, images, and code, making the toolbar a powerful companion to keyboard-based Markdown writing.

Export Options

The editor provides two ways to get your rendered content out of the tool. "Copy HTML" copies the raw HTML markup to your clipboard for pasting into a code editor or CMS. "Export" downloads a complete, self-contained .html file with embedded CSS styling. The exported file is a valid HTML5 document that opens in any browser and displays your content with clean typography and proper formatting.

Common Use Cases

Writing Blog Posts

Draft blog posts in Markdown with immediate visual feedback. The split-pane view lets you check formatting, headings, and links as you write, ensuring your content looks right before publishing.

Creating Documentation

Write technical documentation, API references, and user guides with Markdown. The live preview shows you exactly how your docs will look when rendered, including tables, code blocks, and nested lists.

Composing README Files

Create or edit GitHub README files with confidence. The editor supports GFM tables and all common Markdown syntax, so you can preview exactly what your README will look like on GitHub.

Note Taking

Take structured notes using Markdown headings, lists, and formatting. The editor provides a distraction-free writing environment with real-time rendering, perfect for meeting notes, study notes, or personal journals.

Email Drafting

Draft formatted emails in Markdown and export as HTML for paste into email clients. This is faster than using rich-text editors and gives you full control over formatting.

Content Review

Paste existing Markdown content from any source to review how it renders. Use the preview to spot formatting issues, broken links, or layout problems before publishing or sharing.

Learning Markdown

New to Markdown? The editor is an ideal learning tool. Type any Markdown syntax and instantly see the result. Use the sample button to see comprehensive formatting examples all at once.

Quick Prototyping

Need to quickly prototype how some content will look in HTML? Write it in Markdown (which is faster to type), preview it, then export the HTML. This workflow is significantly faster than hand-coding HTML.

Markdown Editor Tips

After drafting your content in the editor, use Word Counter to get a detailed word, character, and sentence count analysis of your final text.
If your headings or titles have inconsistent casing, use Case Converter to normalize text casing before exporting your Markdown as HTML.
When you need the cleanest possible HTML output for production use, try Markdown to HTML converter which provides a dedicated conversion view with separate HTML code and rendered preview tabs.
Need placeholder content to test your layout? Use Lorem Ipsum Generator to create realistic filler text, then format it with Markdown in the editor.
Use keyboard shortcuts alongside the toolbar for maximum efficiency. Select text with your mouse or keyboard, then click a toolbar button to wrap it in formatting instantly.
When writing tables, keep your pipe characters aligned and ensure the separator row (with dashes) is present. The parser requires this row to detect table structure correctly.
Code blocks with language tags (e.g., ```javascript) include the language as a data attribute in the exported HTML, making it easy to add syntax highlighting later with a library like Prism.js.
The export feature creates a standalone HTML file with embedded CSS. You can open this file directly in a browser, share it via email, or upload it to a web server for hosting.

Frequently Asked Questions

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Faisal Hossain

Founder & Developer of FreeKit

I personally designed and built every tool on this website — including the one you just used. If these tools have been helpful, I can build custom tools, automation workflows, websites, and SEO solutions tailored to your business.

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How to Use the Markdown Editor & Preview

Start typing Markdown — Click in the editor pane on the left and begin writing Markdown. The preview pane on the right updates in real time as you type, showing the rendered HTML output instantly.

Use the toolbar — Click the toolbar buttons above the editor to quickly insert Markdown syntax. Select text first to wrap it in formatting (e.g., select a word and click Bold to get **word**), or click a button with no selection to insert a template at your cursor position.

Check word and character counts — The editor pane header displays a live word count and character count so you can monitor the length of your content as you write.

Copy the HTML — Click the "Copy HTML" button to copy the generated HTML source code to your clipboard. You can then paste it into your HTML file, CMS editor, or code editor.

Export to a file — Click the "Export" button to download your rendered content as a complete .html file with styling. The exported file opens cleanly in any browser and is ready to share or host.

Try the sample — Click the "Sample" button to load a comprehensive Markdown demo that showcases all supported features including headings, lists, code blocks, tables, and more.

Features

Split-pane layout with editor on left and live preview on right

Responsive design — stacked vertically on mobile, side-by-side on desktop

Real-time debounced preview that updates as you type

Toolbar with 11 formatting buttons: Bold, Italic, Heading, Link, Image, Code, Lists, Blockquote, Table, HR

Smart text insertion — wraps selected text or inserts template at cursor

Built-in Markdown parser supporting headings, bold, italic, strikethrough, links, images, lists, code, blockquotes, tables, and HR

Full GitHub Flavored Markdown (GFM) table support

Live word count and character count in the editor header

One-click copy HTML to clipboard

Export to a styled .html file ready for sharing or hosting

Load sample Markdown button with comprehensive formatting examples

Clear button to reset the editor instantly

100% client-side processing — your content never leaves your browser

Understanding the Markdown Editor

Split-Pane Editing

Debounced Live Preview

Smart Toolbar Insertion

Export Options

Common Use Cases

Writing Blog Posts

Draft blog posts in Markdown with immediate visual feedback. The split-pane view lets you check formatting, headings, and links as you write, ensuring your content looks right before publishing.

Creating Documentation

Composing README Files

Create or edit GitHub README files with confidence. The editor supports GFM tables and all common Markdown syntax, so you can preview exactly what your README will look like on GitHub.

Note Taking

Email Drafting

Draft formatted emails in Markdown and export as HTML for paste into email clients. This is faster than using rich-text editors and gives you full control over formatting.

Content Review

Paste existing Markdown content from any source to review how it renders. Use the preview to spot formatting issues, broken links, or layout problems before publishing or sharing.

Learning Markdown

New to Markdown? The editor is an ideal learning tool. Type any Markdown syntax and instantly see the result. Use the sample button to see comprehensive formatting examples all at once.

Quick Prototyping

Markdown Editor Tips

After drafting your content in the editor, use Word Counter to get a detailed word, character, and sentence count analysis of your final text.

If your headings or titles have inconsistent casing, use Case Converter to normalize text casing before exporting your Markdown as HTML.

When you need the cleanest possible HTML output for production use, try Markdown to HTML converter which provides a dedicated conversion view with separate HTML code and rendered preview tabs.

Need placeholder content to test your layout? Use Lorem Ipsum Generator to create realistic filler text, then format it with Markdown in the editor.

Use keyboard shortcuts alongside the toolbar for maximum efficiency. Select text with your mouse or keyboard, then click a toolbar button to wrap it in formatting instantly.

When writing tables, keep your pipe characters aligned and ensure the separator row (with dashes) is present. The parser requires this row to detect table structure correctly.

Code blocks with language tags (e.g., ```javascript) include the language as a data attribute in the exported HTML, making it easy to add syntax highlighting later with a library like Prism.js.

The export feature creates a standalone HTML file with embedded CSS. You can open this file directly in a browser, share it via email, or upload it to a web server for hosting.

Frequently Asked Questions