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Two developer & design tools, side-by-side. See which fits your task.
Developer & Design
Quick reference for Kotlin syntax, null safety, and coroutines.
Open Kotlin SyntaxDeveloper & Design
Side-by-side syntax conversion: Kotlin idioms next to their Java equivalents.
Open kotlin → javaYour specific task is quick reference for kotlin syntax, null safety, and coroutines. Open the page, drop your input, get the result — typically under a second.
Your goal is side-by-side syntax conversion: kotlin idioms next to their java equivalents. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Kotlin Syntax focuses on quick reference for kotlin syntax, null safety, and coroutines; kotlin → java focuses on side-by-side syntax conversion: kotlin idioms next to their java equivalents. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Kotlin Syntax and kotlin → java work without signup. We only ask for an email if you decide to subscribe to a paid plan.