AI Kotlin assistant in your browser
Kotlin is used for Android apps and JVM back ends. Chat with all AI's Code assistant explains, debugs, reviews and writes Kotlin with the model you choose — right next to the docs or the pull request you're reading.
What it helps with in Kotlin
- Coroutines and Flow
- Jetpack Compose
- Null-safety
- Java-to-Kotlin conversion
- Explaining errors and stack traces
- Reviews before you open a pull request
Try this
Convert this Java Android activity to Kotlin with coroutines.
Workflow
- Choose Code on the home screen.
- Pick a task and set the language to Kotlin.
- Paste code, or select it on the page and right-click → Explain this code.
- Compare answers from two models for tricky problems.
Tasks you can run
Explain code · Debug code · Write code · Code review · Convert code · Optimize code · Generate unit tests · Regex generator · SQL query generator · Code documentation
Frequently asked questions
Is this a Kotlin AI assistant?
Yes. Choose Kotlin in the Code assistant's language menu, or let Auto detect it.
Which AI model is best for Kotlin?
Claude Opus 5.5, GPT-6.1 Sol and Muse Wonder for complex work; Claude Sonnet 5.5 and GPT-6.1 Terra for quick everyday help.
Can it run my code?
No — it explains, writes and reviews code. Run and test it in your own environment.
Every top AI model, one side panel
Try GPT-6.1, Claude, Muse and Grok free — 3 requests, no card needed.