JSON to JavaScript
Convert JSON into a clean JavaScript object literal.
ToolsSoup's JSON to JavaScript converter is a free online tool that turns JSON into a clean JavaScript object literal you can paste straight into your code. It removes quotes from keys that are valid identifiers, switches strings to single quotes, indents everything, and wraps the result in a named const. Everything runs in your browser — no uploads, no sign-up, and nothing ever leaves your device.
What is the difference between JSON and a JavaScript object?
JSON is a text format with strict rules: every key and string must use double quotes, and trailing commas and comments are not allowed. A JavaScript object literal is source code: keys that are valid identifiers can be written without quotes, strings can use single or double quotes, and you can assign it to a variable. This converter rewrites valid JSON as an idiomatic JavaScript object literal so it reads naturally inside your code.
How to convert JSON to a JavaScript object online
Converting JSON with ToolsSoup takes just a few seconds:
- Paste your JSON into the input box on the left.
- Optionally change the variable name (the default is data).
- Click Convert, then copy the JavaScript or download it as a .js file.
How are keys and strings formatted?
Object keys that are valid JavaScript identifiers are written without quotes — name instead of a quoted key — while keys with spaces, hyphens, or other special characters keep their quotes so the code stays valid. Strings use single quotes, with any embedded single quotes safely escaped. Numbers, booleans, null, arrays, and nested objects are all preserved exactly.
Why use this JSON to JavaScript converter?
- 100% free with no ads, sign-up, or usage limits.
- Runs entirely in your browser — your data is never uploaded to a server.
- Unquotes valid identifier keys for idiomatic JavaScript.
- Wraps the object in a named const you can rename.
- Copy the result or download it as a .js file.
Frequently asked questions
Is this JSON to JavaScript converter free?
Yes. Every tool on ToolsSoup is completely free to use, with no account, sign-up, or hidden limits.
Why are some keys unquoted?
Keys that are valid JavaScript identifiers do not need quotes in an object literal, so the converter removes them for cleaner code. Keys with spaces, hyphens, or leading digits keep their quotes because JavaScript requires them.
Does it use single or double quotes?
Strings are written with single quotes, the most common style in modern JavaScript. Any single quotes inside a string are escaped automatically so the output is always valid.
Can I change the variable name?
Yes. Type any valid name into the Variable name field. If you leave it blank or enter an invalid name, the converter falls back to data.
Is my data safe?
Absolutely. All conversion happens locally in your browser using JavaScript, so your JSON is never sent to or stored on any server.