JSON to JS Object Converter
Convert JSON into a JavaScript object literal with unquoted keys, sorted properties, and local browser processing.
JSON to JS Object Converter
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Convert JSON into a JavaScript object literal with unquoted keys, sorted properties, and local browser processing.
About JSON to JS Object Converter
Emit JavaScript object literals
The converter parses the JSON first, then formats the result with stringifyJSObject. Keys that are valid JavaScript identifiers can be emitted without quotes, while keys with spaces, dashes, or other non-identifier characters remain quoted.
Different from JSON.parse
JSON.parse turns JSON into a runtime value inside your code. This tool generates source-code text that you can paste into a JS file, README, debug note, or code review comment.
Prepare snippets for code review
Use it when moving sample JSON into tests, fixtures, documentation, or JavaScript configuration snippets. The sort option can preserve the source order or alphabetize nested object properties so reviewers can scan changes more easily.
Single quotes or double quotes?
The JSON spec requires double quotes, but JavaScript accepts both — Prettier defaults to double quotes while style guides like Airbnb prefer single quotes. Use the quote style option so the output matches your project's lint rules and passes ESLint as pasted, with no manual rewriting. Keys that are valid identifiers stay unquoted in either style.
FAQ
Common questions and answers about this topic.
What is the difference between JSON and a JavaScript object?
JSON requires all keys to be double-quoted strings and only allows primitive values. JavaScript objects support unquoted keys (when valid identifiers), single quotes, trailing commas, computed properties, and methods.
Is this the same as JSON.parse?
No. JSON.parse reads JSON at runtime and returns a JavaScript value. This converter creates JavaScript object literal source code that you can copy into examples, config files, tests, or documentation.
Will every object key become unquoted?
Only valid JavaScript identifier keys are unquoted. Keys that contain spaces, hyphens, punctuation, or other invalid identifier characters stay quoted so the output remains valid JavaScript.
Can I sort the keys alphabetically?
Yes, the sort keys dropdown lets you reorder all JavaScript object properties alphabetically (A to Z) or preserve the original JSON key order. Sorting is applied recursively to all nested object literals.
Can I customize the indentation?
Yes, JavaScript output indentation can be set to 2 spaces, 4 spaces, or tabs using the formatting options. In JavaScript projects, 2 spaces is commonly used, though some style guides prefer tabs.
Can I choose single or double quotes for the output?
Yes. Use the string quote style selector: single quotes match style guides like Airbnb, while double quotes match the Prettier default. The choice only affects string values and quoted keys — valid identifier keys stay unquoted, and the JSON input still requires double quotes per the JSON spec.
Is my data sent to any server?
No, the JSON to JavaScript object conversion runs entirely in your browser. Your JSON data is processed locally with JavaScript and never sent to any server.