Kotlin Formatter
// Beautify and format Kotlin code
#About Kotlin Formatter
Free online Kotlin formatter and beautifier. Format Kotlin code with proper indentation and consistent spacing for readable, clean code. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
#FAQ
What indentation does the Kotlin formatter use? ▾
The formatter uses 4-space indentation following Kotlin coding conventions, with same-line opening braces.
Does it handle Kotlin-specific features? ▾
Yes, the formatter handles data classes, companion objects, when expressions, extension functions, null-safe operators, and other Kotlin-specific syntax.
</> Embed this tool ▾
Copy this code to embed the tool on your website. Adjust the height to fit your layout.
<iframe src="https://www.browserutils.dev/embed/kotlin-formatter" width="100%" height="500" frameborder="0" title="Kotlin Formatter"></iframe>