MarkdownViewer

README Viewer - Open README.md Files Online

Open and preview README.md files online, with tables and code rendered.

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build

A small utility that does one thing well.

Install

npm install my-project

Usage

import { run } from 'my-project';
run();

License

MIT

What is README Viewer?

A README viewer renders the README.md file that ships with most software projects. On GitHub, GitLab and npm, the README is the front page of a repository — it explains what the project does, how to install it and how to use it. This viewer lets you open that file's Markdown and see it formatted the way it appears in a repository, without cloning anything or pushing to a remote.

Common Uses for README Viewer

  • Checking how a README will look before pushing it
  • Reading a downloaded README.md without a Markdown app
  • Reviewing badges, tables and code samples in project docs
  • Previewing AI-generated README content

What a Good README Needs

The README is often the only documentation a visitor reads. A useful one answers four questions fast: what is this project, how do I install it, how do I use it, and where do I get help. Rendering it before you push makes omissions obvious — a missing install command or a broken table is much easier to spot in the formatted view than in raw Markdown.

README Markdown on GitHub, GitLab and npm

GitHub, GitLab, Bitbucket and npm all render README.md automatically, and all of them use GitHub-flavoured Markdown or a close variant. That means a README previewed here will look right on every major code host. Relative image paths may not load outside the repository, since they resolve against the repository URL rather than the file's location.

Previewing README Without Committing

Normally the only way to see a README rendered is to commit and push it, then open the repository page — or install a local Markdown viewer. Pasting the file here skips both steps, which is useful when you are iterating on wording, restructuring sections or fixing a table and do not want a trail of noisy commits.

Frequently Asked Questions

How do I open a README.md file online?
Open README.md in any text editor, copy the whole file, and paste it into the box. The formatted result appears immediately, with headings, lists, tables and code blocks rendered.
Does the viewer render badges?
Badges are Markdown images that point at a service such as shields.io. If the badge URL is reachable, the image loads in the preview exactly as it would on GitHub. A broken badge usually means the remote image URL is wrong or the service is down.
Will it look exactly like GitHub?
The structure will. This viewer uses GitHub-flavoured Markdown, so headings, tables, task lists and fenced code blocks match how GitHub renders them. The theme colours differ, but the layout and content are the same.
Is my README uploaded?
No. Rendering happens locally in your browser, so private repository READMEs and unreleased project docs never leave your machine.

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