Developer ToolsCode FormattersFree Tool
Kotlin Formatter
Clean up whitespace and blank lines in Kotlin code — a light touch-up, not a Kotlin-aware reformatter.
How to Use Kotlin Formatter
- 1Paste your Kotlin code
- 2Click Process
- 3Copy the whitespace-cleaned output
- 4For real formatting, use ktlint or IntelliJ IDEA
Frequently Asked Questions
No — it only performs generic whitespace cleanup (collapsing 3+ blank lines, trimming trailing spaces). It doesn't reindent based on Kotlin's brace structure.
ktlint or IntelliJ IDEA's built-in formatter properly understand Kotlin syntax — this tool's own output points toward that.
No — it doesn't compile or parse Kotlin at all; it's purely a text cleanup pass.
No — cleanup runs entirely in your browser.
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