Free online JavaScript code formatter and beautifier. Supports indent adjustment, brace placement, and whitespace optimization. Make messy JS code clean and readable.
Zero Dependencies · Works OfflinePaste messy JavaScript code and beautify it with one click. | No registration · Data never leaves your device
Yes，Completely Freeusing，No Signup Requiredorlogin。
localToolscompletefullinBrowsetoolRuns Locally，DatanotwillUploadtoAnyserver。
Supports ES5, ES6+, TypeScript, and all modern JavaScript syntax.