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---
layout: default
title: Basic Usage
description: Basic usage of the CommonMark parser
redirect_from: /0.20/basic-usage/
---
# Basic Usage
The `CommonMarkConverter` class provides a simple wrapper for converting CommonMark to HTML:
```php
require __DIR__ . '/vendor/autoload.php';
use League\CommonMark\CommonMarkConverter;
$converter = new CommonMarkConverter();
echo $converter->convertToHtml('# Hello World!');
// <h1>Hello World!</h1>
```
<i class="fa fa-exclamation-triangle"></i>
**Important:** See the [security](/1.0/security/) section for important details on avoiding security misconfigurations.
The actual conversion process has three steps:
1. Creating an `Environment`, adding whichever extensions/parser/renders you need
2. Parsing the Markdown input into an AST
3. Rendering the AST document as HTML
`CommonMarkConverter` handles this for you, but you can execute that process yourself if you wish:
```php
require __DIR__ . '/vendor/autoload.php';
use League\CommonMark\DocParser;
use League\CommonMark\Environment;
use League\CommonMark\HtmlRenderer;
$environment = Environment::createCommonMarkEnvironment();
$parser = new DocParser($environment);
$htmlRenderer = new HtmlRenderer($environment);
$markdown = '# Hello World!';
$document = $parser->parse($markdown);
echo $htmlRenderer->renderBlock($document);
// <h1>Hello World!</h1>
```
[Additional customization](/1.0/customization/overview/) is also possible.
## Supported Character Encodings
Please note that only UTF-8 and ASCII encodings are supported. If your Markdown uses a different encoding please convert it to UTF-8 before running it through this library.
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