MarkdownViewer
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Previewing Markdown in Three Easy Steps

Step 1

Bring In Your Markdown

Drop whatever Markdown you'd like to preview into the left panel. That might be a GitHub README, a chunk of project docs, or a plain .md file from your machine. Everything runs on full GitHub Flavored Markdown, so the output matches what you'd expect. Working from another format? The HTML to Markdown converter and the JSON to Markdown tool can get you started.

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Paste it in: Grab Markdown from anywhere and drop it straight into the editor
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Open a file: Hit Upload to pull in a .md, .markdown, or README file
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Load the sample: Tap Sample to fill the editor with example Markdown and watch it render
Step 2

Watch It Render Live

The moment you start typing or pasting, the preview on the right keeps pace with you. Headings, lists, fenced code, tables, and links all appear cleanly styled with no refresh button in sight. Because it leans on the same parser the big platforms rely on, what you see here is what readers see everywhere. Need a shareable file afterward? Send it to PDF with the Markdown to PDF converter, or turn it into a web page using Markdown to HTML.

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Instant preview: Every edit shows up right away, no waiting around
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Readable code blocks: Fenced snippets keep their formatting and stay easy to scan
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Neat tables: Markdown tables come out aligned and tidy
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Polished text: Headings, bold, italics, and lists all get sensible styling
Step 3

Keep or Share the Result

Happy with how it looks? Hit Copy to grab the raw Markdown for your clipboard, or Download to tuck it away as a .md file. Your formatting stays intact, so it's ready to hand off or pick back up later. When you want to do more, the Markdown editor is great for writing, and the Markdown formatter tidies things up.

Markdown Quick Syntax Cheat Sheet

New to the syntax, or just need a quick refresher before you start typing? Here are the everyday building blocks. Type any of these on the left and watch them take shape in the preview.

# HeadingSection title (## and ### go smaller)
**bold**Strong emphasis
*italic*Slanted emphasis
- list itemBullet (use 1. for numbered)
[link](url)Clickable link
![alt](image.png)Embedded image
`code`Inline code (``` fences a block)
> quoteBlockquote
- [ ] taskCheckbox (- [x] when done)
---Horizontal divider

Want the full picture? The table generator handles pipe tables for you, and the formatter tidies up spacing and indentation once you're done.

Getting the Most From the Viewer

Do I need to install anything to use it?

Nothing at all. It's a plain web page, so there's no download, no extension, and no account to set up. Open the tab, paste your Markdown, and the rendered version appears on the spot. That makes it handy on a locked-down work laptop or any machine where you'd rather not install software.

Can I check a README before I push it to GitHub?

That's one of the most popular uses. Paste your draft README in and you'll see it laid out much the way a repository will show it, headings, badges, tables, task lists, and fenced code included, so you can catch a broken table or a stray heading before it goes public. Once it looks right, the Markdown editor is there if you want to keep refining it.

Which flavor of Markdown does it understand?

It follows GitHub Flavored Markdown, the dialect most people write today. On top of the core CommonMark syntax that means tables, task lists, strikethrough, and fenced code with language hints all render as expected. Plain CommonMark documents work perfectly too, since GFM is built right on top of it.

Does it work on my phone or tablet?

Yes. The layout adapts to smaller screens, so you can paste in a document and read the rendered version on a phone or tablet just as easily as on a desktop. It's a quick way to glance over a doc a teammate shared while you're away from your computer.

Will the preview update while I edit?

Every keystroke on the left redraws the preview on the right, with no refresh button anywhere in sight. It renders through the widely used marked parser, so what you see here lines up with what readers get elsewhere. When you'd like a shareable copy, send it to the Markdown to PDF converter or publish it via Markdown to HTML.

Is anything I paste uploaded somewhere?

No. The rendering happens entirely inside your own browser, so the text you drop in isn't sent off to a server or stored anywhere. That keeps private notes, internal docs, and unreleased README files on your machine and nowhere else.

Is it really free with no catch?

It is. Preview as many documents as you want, with every feature open and no limits or sign-up. When you need to do more than read, the wider set of Markdown tools can clean up, convert, and reshape your files.

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