Best AI code refactoring tools
4 tools for cleanup, language or framework migration, compared side by side.
The ranked list
Agentic tool that runs multi-hour refactors and migrations that follow imports and run tests, asking permission before changing files. Runs locally and talks directly to model APIs.
Offers Java and .NET application transformation, with a free tier of 50 agentic requests per month and a Pro tier from $19/user/month.
Reviews pull requests with codebase context and flags breaking changes across repositories. The Pro Team plan is USD 30/month billed monthly, designed for up to 30 users, and a free trial is available.
Reads a codebase and drafts an editable plan before changes, asking approval at each step. Available in VS Code, JetBrains and Visual Studio, with a free plan of 10 daily interactions on Economy models.