Code Formatters
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JavaScript Formatter
Format and beautify JavaScript / ECMAScript source code with proper syntax structure.
Quick Summary:
Format, indent, and beautify JavaScript code online with ES6+ syntax support.
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Input & Controls
0 characters
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What is JavaScript Formatter?
Indent and prettify obfuscated or one-line JavaScript code with clear statement formatting.
Unlike traditional online utilities that upload your sensitive payloads to a remote server, TechnoLila's JavaScript Formatter executes 100% locally in your web browser using modern JavaScript APIs, HTML5 Canvas, and SVG vector rendering. No barcodes, asset IDs, Wi-Fi credentials, tokens, or proprietary payloads ever leave your device.
How to Use JavaScript Formatter Online
Paste JavaScript code into the editor and click "Format JS".
JavaScript Formatter Example
Example Input:
function greet(name){console.log("Hello, "+name);return true;}Example Output:
function greet(name) {
console.log("Hello, " + name);
return true;
}Common Use Cases
Debugging production bundle snippets, reviewing code readability.
Common Mistakes & Gotchas
Mixing up ASI (automatic semicolon insertion) with unformatted blocks.
Frequently Asked Questions
Is modern ES6+ (arrow functions, async/await) supported?
Yes, all modern ECMAScript features are supported.
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