Is my source code uploaded to remote servers?

No! Code formatting executes 100% locally in your browser memory using Prettier. Your source code and proprietary logic are never transmitted.

Does it format minified JavaScript or CSS?

Yes, Prettier parses minified single-line code and formats it into clean, beautifully indented lines.

Is this online code formatter free without limits?

Yes! JoyTools provides completely free code formatting with zero usage caps, forced account creation, or paywalls.

Code Formatter (JS, TS, HTML, CSS, Python)

100% Client-Side Private — Zero Server Uploads

Format and beautify JavaScript, TypeScript, HTML, CSS, and Python code instantly with Prettier engine. 100% Client-Side local browser formatting.

Language:

Indent:

Width:

Raw Input Code

function calculateTotal(items,taxRate){
let sum=0;for(let i=0;i<items.length;i++){
sum+=items[i].price*items[i].quantity;}
const tax=sum*taxRate;return{subtotal:sum,tax:tax,total:sum+tax};}

Formatted Output

How do I use Code Formatter (JS, TS, HTML, CSS, Python)?

Select programming language (JS, TS, HTML, CSS, Python).

Paste unformatted code or click 'Load Sample Code'.

Configure indent spaces (2 or 4) and print width.

Copy formatted code or download file.

What features does Code Formatter (JS, TS, HTML, CSS, Python) offer?

Prettier standalone engine (100% browser local)

Multi-language support (JS, TS, HTML, CSS, Python)

Syntax error line pointers and instant formatting

Frequently Asked Questions about Code Formatter (JS, TS, HTML, CSS, Python)

Is my proprietary source code sent to a server?

No! Prettier parses and formats code 100% locally in your browser memory.

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