All current browsers have native JSON support built in. So as long as you're not dealing with prehistoric browsers like IE6/7 you can do it just as easily as that:

var j = {
  "name": "binchen"
};
console.log(JSON.stringify(j));

Answer from Andris on Stack Overflow
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W3Schools
w3schools.com › python › gloss_python_convert_into_JSON.asp
Python Convert From Python to JSON
You can convert Python objects of the following types, into JSON strings: ... import json print(json.dumps({"name": "John", "age": 30})) print(json.dumps(["apple", "bananas"])) print(json.dumps(("apple", "bananas"))) print(json.dumps("hello")) print(json.dumps(42)) print(json.dumps(31.76)) print(json.dumps(True)) print(json.dumps(False)) print(json.dumps(None)) Try it Yourself » · When you convert from Python to JSON, Python objects are converted into the JSON (JavaScript) equivalent:
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W3Schools
w3schools.com › js › js_json_parse.asp
JSON.parse()
Date objects are not allowed in JSON. If you need to include a date, write it as a string.
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W3Schools
w3schools.com › js › js_json_stringify.asp
JSON.stringify()
JS Examples JS HTML DOM JS HTML Input JS HTML Objects JS HTML Events JS Browser JS Editor JS Exercises JS Quiz JS Website JS Syllabus JS Study Plan JS Interview Prep JS Bootcamp JS Certificate JS Reference ... A common use of JSON is to exchange data to/from a web server. When sending data to a web server, the data has to be a string. You can convert any JavaScript datatype into a string with JSON.stringify().
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W3Schools
w3schools.com › js › js_json_php.asp
JSON PHP
PHP has some built-in functions to handle JSON. Objects in PHP can be converted into JSON by using the PHP function json_encode():
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W3Schools
w3schools.com › js › js_json_syntax.asp
JSON Syntax
Because JSON syntax is derived from JavaScript object notation, very little extra software is needed to work with JSON within JavaScript. With JavaScript you can create an object and assign data to it, like this: ... You will learn how to convert JavaScript objects into JSON later in this tutorial.
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Tutorial Republic
tutorialrepublic.com › faq › how-to-convert-js-object-to-json-string.php
How to Convert JS Object to JSON String
<script> // Sample JS object var obj = {name: "Martin", age: 30, country: "United States"}; // Converting JS object to JSON string var json = JSON.stringify(obj); console.log(json); // Prints: {"name":"Martin","age":30,"country":"United States"} </script>
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W3Schools
w3schools.com › python › python_json.asp
Python JSON
... import json # some JSON: x ... · If you have a Python object, you can convert it into a JSON string by using the json.dumps() method....
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ReqBin
reqbin.com › code › javascript › x1ezvres › javascript-object-to-json-example
How do I convert object to JSON in JavaScript?
When converting a JavaScript object to JSON with the JSON.stringify(value, replacer, space) method, you can use the "replacer" function to alter the resulting JSON.
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W3Schools
w3schoolsua.github.io › python › python_json_en.html
Python JSON. Lessons for beginners. W3Schools in English
... import json # some JSON: x ... · If you have a Python object, you can convert it into a JSON string by using the json.dumps() method....
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Js2ts
js2ts.com › js-object-to-json
Convert JavaScript Object to JSON Online | JS to JSON Converter js2ts.com
Type or paste your Javascript Object code into the input box provided. You can directly enter your code or copy it from your favourite code editor. Initiate the conversion process by clicking on the "Convert" button · Instantly view the transformed ...
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ConvertSimple
convertsimple.com › convert-javascript-to-json
Convert Javascript Object to JSON Online - ConvertSimple.com
October 17, 2020 - Need an example of what JSON looks like? Get example JSON. Paste your JavaScript Object input into the left input box and it will automatically convert it into JSON.
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W3Schools
w3schools.com › js › js_json_objects.asp
JSON Object Literals
It is a common mistake to call a JSON object literal "a JSON object". JSON cannot be an object. JSON is a string format. The data is only JSON when it is in a string format. When it is converted to a JavaScript variable, it becomes a JavaScript object.
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JavaScript.info
javascript.info › tutorial › the javascript language › data types
JSON methods, toJSON
The method JSON.stringify(student) takes the object and converts it into a string. The resulting json string is called a JSON-encoded or serialized or stringified or marshalled object.
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Convertjson
convertjson.com › javascript-object-to-json.htm
Javascript Object To JSON Converter
See also JSON Lint · When converting a JavaScript object to JSON, it's crucial to understand the nuances that ensure a smooth translation and valid JSON output. First, all property names and string values in JSON must be enclosed in double quotes. Unlike JavaScript, which is lenient with trailing commas in objects and arrays, JSON strictly prohibits them, requiring the removal of any trailing commas to avoid syntax errors.
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GeeksforGeeks
geeksforgeeks.org › javascript › how-to-convert-js-object-to-json-string-in-jquery-javascript
How to Convert JS Object to JSON String in JQuery/Javascript? - GeeksforGeeks
July 12, 2025 - Converting a JavaScript object to a JSON string means using the JSON.stringify() method to transform the object into a JSON-formatted string.
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GeeksforGeeks
geeksforgeeks.org › python › convert-class-object-to-json-in-python
Convert class object to JSON in Python - GeeksforGeeks
July 23, 2025 - This method works well for simple objects but doesn’t give you control over how the object is represented in JSON. ... import json class Person: def __init__(self, name, age): self.name = name self.age = age p1 = Person("Alice", 30) # Convert object's attributes (__dict__) to JSON res = json.dumps(p1.__dict__) print(res)
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Wappler Community
community.wappler.io › wappler general › need help
Convert Object to JSON - Need Help - Wappler Community
October 28, 2020 - I have an object from a server action and wanted to convert it to JSON. I tried JSON.stringify() but it doesn’t seem to be support in the expressions. What is the best way to convert to a JSON string within an expressi…
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MDN Web Docs
developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › JSON › stringify
JSON.stringify() - JavaScript - MDN Web Docs
If space is anything other than ... representing the given value, or undefined. ... A BigInt value is encountered. JSON.stringify() converts a value to the JSON notation that the value represents....
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Folioify
folioify.com › home › tools › javascript to json
JS Object to JSON Converter | Free Online Tool | Folioify
February 1, 2026 - Use it to convert formats instantly, verify output in real time, and export clean results in seconds. This page explains what the tool does, what it cannot do, and how to use it effectively, with a visible update timestamp for freshness. ... Free — no registration required. ... Client-side only — runs in your browser. ... Instant conversion with clean results. ... Developers, designers, and creators. JavaScript to JSON is a focused online converter designed to transform inputs into accurate outputs with minimal steps.