X09 Code Studio · Pro plan and up
An AI code assistant that shows you the diff
Code Studio helps you write and improve code without handing over control. Every suggested change appears as a diff you can review and accept, and nothing is ever executed automatically.
What you can do
- Generate new code from a description
- Explain what unfamiliar code does
- Find and fix bugs
- Refactor for structure and readability
- Write unit tests and documentation
- Keep a project file tree and download it as a zip
How it works
- Open or paste codeStart a file or paste existing code into Code Studio.
- Choose a taskGenerate, explain, debug, refactor, test or document.
- Review the diffAccept the changes you want; the rest stays as it was.
Good to know
- Syntax highlighting for 16 languages, including Python, JavaScript, TypeScript, Go, Rust, Java and C#.
- Generated code is provided as-is and never run for you.
- Included from the Pro plan up.
Questions
Which languages does the AI code assistant support?
It works with most programming languages; highlighting covers 16, including Python, JavaScript, TypeScript, Go, Rust, Java, C#, C++ and SQL.
Does it run my code?
No. Code Studio never executes code. You review each change as a diff and decide what to keep.
Can it write unit tests?
Yes. Choose Write tests and it generates unit tests for the selected code.