Validate JSON
Validate JSON code for errors
Stringify JSON
Convert JavaScript objects to JSON string format. Serialize data structures into JSON strings for storage or transmission.
JSON Tools
JavaScript Object/Array Input
JSON String Output
Tool options
Indentation Settings
Use Spaces
Use Tabs
Indent output with tabsOptions
Convert HTML special characters to their entity references
Stringify JSON Examples
Simple Object to JSON
Convert a basic JavaScript object into a JSON string.
Input
{ name: "John", age: 30 }
{ name: "John", age: 30 }
Output
{
"name": "John",
"age": 30
}
{
"name": "John",
"age": 30
}
Indentation Settings
Use Spaces
Use Tabs
Indent output with tabsOptions
Convert HTML special characters to their entity references
Array with Mixed Types
Convert an array containing different types of values into JSON.
Input
[1, "hello", true, null, { x: 10 }]
[1, "hello", true, null, { x: 10 }]
Output
[
1,
"hello",
true,
null,
{
"x": 10
}
]
[
1,
"hello",
true,
null,
{
"x": 10
}
]
Indentation Settings
Use Spaces
Use Tabs
Indent output with tabsOptions
Convert HTML special characters to their entity references
HTML-Escaped JSON
Convert an object to JSON with HTML characters escaped.
Input
{
html: "<div>Hello & Welcome</div>",
message: "Special chars: > & ' \""
}
{
html: "<div>Hello & Welcome</div>",
message: "Special chars: > & ' \""
}
Output
{
"html": "<div>Hello & Welcome</div>",
"message": "Special chars: < > & ' ""
}
{
"html": "<div>Hello & Welcome</div>",
"message": "Special chars: < > & ' ""
}
Indentation Settings
Use Spaces
Use Tabs
Indent output with tabsOptions
Convert HTML special characters to their entity references