Convert HTML Document to JSON

URL: Fetch

Output: Converted JSON

Background Information

HTML is the language of the internet. It is what creates HTML pages (even this one). In the old days, HTML used to be static with some JavaScript added into the mix for dynamic behavior and effects. Then HTML was served dynamically from the server side with the advent of server side programming languages such as PERL, PHP, ASP. And now there is a new trend where HTML is again being served as static resources with JSON (from REST web services) and JavaScript making it dynamic.

JavaScript Object Notation (JSON) pronounced as "Jason" is the de facto standard for data interchange on the web these days. It is a simple format that is easier to comprehend than XML. It also has less size than XML because of no closing tags. Interacting with JSON from JavaScript is extremely seamless. JSON format was first specified by Douglas Crockford in the early 2000s

Settings Explained

Indent

This setting governs whether or not the output is indented. The indented output is easier for humans to comprehend. On the other hand, a non-indented output is compact & smaller in size (best for transmission). So, JSON is often minified which compacts & compresses the output by removing non-essential whitespace.

Indentation On

{
  "name": "John Doe",
  "age": 69
}

Indentation Off

{"name":"John Doe","age":69}

Unescape Json: If selected and the input appears to be HTML wrapped in JSON string, the input is unescaped before processing.

Mode

The conversion mode to use. Available options: Generic, Table & JSON-LD

Generic

In this mode all HTML nodes are converted into JSON objects & properties. Available options are Attribute Prefix & Text Property Name

Input

<html>
<body>
<table style="width: 100%">
    <tr>
        <th>Firstname</th>
        <th>Lastname</th>
        <th>Age</th>
    </tr>
    <tr>
        <td>Jill</td>
        <td>Smith</td>
        <td>50</td>
    </tr>
    <tr>
        <td>Eve</td>
        <td>Jackson</td>
        <td>94</td>
    </tr>
</table>
</body>
</html>

Output

{
  "html": {
    "body": {
      "table": {
        "@style": "width: 100%",
        "tr": [
          {
            "th": [
              "Firstname",
              "Lastname",
              "Age"
            ]
          },
          {
            "td": [
              "Jill",
              "Smith",
              "50"
            ]
          },
          {
            "td": [
              "Eve",
              "Jackson",
              "94"
            ]
          }
        ]
      }
    }
  }
}

Table

In this mode HTML <TABLE> nodes are converted into JSON objects & properties. Each <TR> is converted into a JSON object. The cells from the header row become JSON property names while the cells from other rows become the values of the JSON properties.

Input

<html>
<body>
<table style="width: 100%">
    <tr>
        <th>Firstname</th>
        <th>Lastname</th>
        <th>Age</th>
    </tr>
    <tr>
        <td>Jill</td>
        <td>Smith</td>
        <td>50</td>
    </tr>
    <tr>
        <td>Eve</td>
        <td>Jackson</td>
        <td>94</td>
    </tr>
</table>
</body>
</html>

Output

[
  {
    "Firstname": "Jill",
    "Lastname": "Smith",
    "Age": 50
  },
  {
    "Firstname": "Eve",
    "Lastname": "Jackson",
    "Age": 94
  }
]

JSON-LD

In this mode all JSON-LD is extracted from the HTML and outputed as JSON. Each JSON-LD item becomes an array item in the final output

Input

<html>
<body>
    <div class="row">
        <script type="application/ld+json">
            {
            "@context": "http://schema.org/",
            "@type": "Person",
            "name": "Jane Doe",
            "jobTitle": "Professor",
            "telephone": "(425) 123-4567",
            "url": "http://www.janedoe.com"
            }
        </script>
    </div>
    <div class="row">
        <script type="application/ld+json">
            {
            "@context": "http://schema.org/",
            "@type": "Person",
            "name": "John Doe",
            "jobTitle": "Dancer",
            "telephone": "(425) 123-4568",
            "url": "http://www.johndoe.com"
            }
        </script>
    </div>
</body>
</html>

Output

[
  {
    "@context": "http://schema.org/",
    "@type": "Person",
    "name": "Jane Doe",
    "jobTitle": "Professor",
    "telephone": "(425) 123-4567",
    "url": "http://www.janedoe.com"
  },
  {
    "@context": "http://schema.org/",
    "@type": "Person",
    "name": "John Doe",
    "jobTitle": "Dancer",
    "telephone": "(425) 123-4568",
    "url": "http://www.johndoe.com"
  }
]

Attribute Prefix

The prefix to use for properties corresponding to HTML attributes. Set blank to use no prefix

Input

<html>
<body>
<table style="width: 100%">
    <tr>
        <th>Firstname</th>
        <th>Lastname</th>
        <th>Age</th>
    </tr>
    <tr>
        <td>Jill</td>
        <td>Smith</td>
        <td>50</td>
    </tr>
    <tr>
        <td>Eve</td>
        <td>Jackson</td>
        <td>94</td>
    </tr>
</table>
</body>
</html>

Attribute Prefix: @

{
  "html": {
    "body": {
      "table": {
        "@style": "width: 100%",
        "tr": [
          {
            "th": [
              "Firstname",
              "Lastname",
              "Age"
            ]
          },
          {
            "td": [
              "Jill",
              "Smith",
              "50"
            ]
          },
          {
            "td": [
              "Eve",
              "Jackson",
              "94"
            ]
          }
        ]
      }
    }
  }
}

Attribute Prefix: Empty

{
  "html": {
    "body": {
      "table": {
        "style": "width: 100%",
        "tr": [
          {
            "th": [
              "Firstname",
              "Lastname",
              "Age"
            ]
          },
          {
            "td": [
              "Jill",
              "Smith",
              "50"
            ]
          },
          {
            "td": [
              "Eve",
              "Jackson",
              "94"
            ]
          }
        ]
      }
    }
  }
}

Text Property Name

The name of the property that holds the value of HTML text nodes

Input

<html>
<body>
<div>
    <p>
        Pre Header
        <h1>Title</h1>
        Post Header
    </p>
</div>
</body>
</html>

Text Property Name: #text

{
  "html": {
    "body": {
      "div": {
        "p": {
          "h1": "Title",
          "#text": [
            "Pre Header",
            "Post Header"
          ]
        }
      }
    }
  }
}

Text Property Name: text

{
  "html": {
    "body": {
      "div": {
        "p": {
          "h1": "Title",
          "text": [
            "Pre Header",
            "Post Header"
          ]
        }
      }
    }
  }
}

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Convert HTML Document to JSON

Updated: May 26, 2018

Input: Paste HTML content below

Output: Converted JSON

Background Information

Settings Explained

Indentation On

Indentation Off

Generic

Input

Output

Table

Input

Output

JSON-LD

Input

Output

Input

Attribute Prefix: @

Attribute Prefix: Empty

Input

Text Property Name: #text

Text Property Name: text

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