MD file online: viewer, editor and converter

A workspace for Markdown files: it opens .md, .markdown and .txt and shows them the way the recipient will see them — headings, lists, tables, task lists and highlighted code. You can edit the text here and send the result back out as .md, as a Word document (.docx), as a web page or as a PDF, or copy it with formatting and paste it straight into Word, Google Docs or an email. It also works the other way round: paste text copied from an article or from Word and it turns into Markdown with its headings, lists and tables intact. Parsing and every conversion are performed by code running in this browser tab.

How to open an MD file

1
Open the file

Press Open, or drop an .md onto the page. Typing straight in works too.

2
Read and edit

Source on the left, finished document on the right — and either one alone when the screen is narrow.

3
Save it where you need it

Back to .md, or to Word, PDF or HTML — or copy it with formatting and paste it into another editor.

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Open an .md file, read it as a finished document, and save it as PDF, Word or HTML

Untitled

Open a file or start writing

The file is opened and parsed by code running in this tab.

Drop an .md file here

MD · MARKDOWN · TXT

How it looks
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What it does

Opens an .md file
By button, by drag and drop, or from your device — including .markdown, .mdown, .mkd, .mdx and .txt up to 10 MB.
Saves back into the same file
In Chrome, Edge and Opera on desktop, Ctrl+S writes your edit into the file you opened — no download-and-replace dance.
Word, PDF, HTML
A real .docx with heading styles, lists and tables; a PDF built by printing, so its text stays selectable and searchable; HTML exported with its styles so it opens as a finished page.
Paste from Word and the web
A formatted fragment turns into Markdown: headings, lists, tables, links and code survive the paste.
Tables that line up
A table button plus one keystroke (Ctrl+Shift+F) that aligns every table in the document by column.
Outline and true scroll sync
Headings become a navigation panel, and the panes follow each other by source line rather than by percentage of height.

What people come here for

  • A file arrived with an .md extension and nothing on the machine opens it properly.
  • Reading a project README outside GitHub and lifting parts out of it.
  • Turning Markdown into Word for someone who does not read Markdown.
  • Building a PDF from notes whose text can still be selected and searched.
  • Copying an article from the web and getting clean Markdown instead of messy HTML.
  • Getting a table back in order — the columns line up in one keystroke.

What is different here

Most online Markdown tools are built for writing: an empty pane and a preview. This one leads with the more common job — open a file you already have and turn it into something other people can read. Hence the differences: .docx export (Dillinger has none, StackEdit needs an external converter installed), PDF by printing instead of a screenshot, HTML pasted back into Markdown, table alignment, and writing edits back into the original file. The outline, code highlighting, Mermaid diagrams and KaTeX formulas load only when the document actually contains them.

Questions people ask

What opens a file with an .md extension?

This page: press Open and pick the file — it renders as a finished document with headings, lists and tables. An .md file is plain text carrying Markdown markup, so Notepad opens it too, but there you see the markup characters instead of the formatting they stand for.

Why does my table show up as a line of pipes?

Tables are a GitHub extension rather than base Markdown, so "GitHub extensions" has to be on in Settings. The other common cause is a missing divider row of dashes under the header — without it no parser will build the table. The "Align tables" action tidies the columns and, in doing so, shows you whether the table was recognized at all.

Can I save changes back into my own file?

Yes, where the browser allows it: Chrome, Edge and Opera on desktop show a Save button, and Ctrl+S writes into the very file you opened. Safari and Firefox give websites no such access, so there saving hands you a download instead.

How do I turn Markdown into Word?

Save → Word document. You get a real .docx: headings become heading styles, lists become lists, tables become tables and links stay clickable. If you do not need a file and a paste will do, choose "Copy with formatting" and paste straight into Word or Google Docs.

Why is the PDF made by printing?

Because that keeps text as text: it can be selected, searched and copied, links still work, and pages break properly. One-button "save to PDF" libraries usually embed a screenshot instead — heavier and useless to search. In the print dialog choose "Save as PDF".

What is GitHub-Flavored Markdown, and why would I turn it off?

It is a layer on top of the CommonMark standard: tables, code blocks with a language, task lists, autolinks and strikethrough. It is on because that is how READMEs render on GitHub. Turn it off when your text is headed somewhere strictly CommonMark — some static site generators, for instance.

Why does a pasted <script> not run?

Active content — scripts, event handlers, javascript: links — is stripped from the markup before it is shown. Without that, any Markdown copied out of a chat or a forum could run somebody else's code in your browser. To show the tag as text, wrap it in backticks.

Are formulas and diagrams supported?

Yes. Dollar-sign math ($E = mc^2$ and $$…$$ blocks) is rendered by KaTeX, and ```mermaid blocks by Mermaid. Both libraries are fetched only once the document actually contains such a block, so ordinary text opens without the extra weight.

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