A debugging toolkit that provides a unified interface for inspecting, monitoring, and extending your applications.

• Inspect and debug state and behavior in real time
• Works with React, Solid, Vanilla JS, and more
• Extensible plugin architecture with customizable UI
• Seamless integration with TanStack Query, Router, and other libraries

• We welcome issues and pull requests!
• Participate in GitHub discussions
• Chat with the community on Discord
• See CONTRIBUTING.md for setup instructions

We're looking for TanStack Devtools Partners to join our mission! Partner with us to push the boundaries of TanStack Devtools and build amazing things together.

LET'S CHAT

• TanStack Config – Tooling for JS/TS packages
• TanStack DB – Reactive sync client store
• TanStack Form – Type‑safe form state
• TanStack Pacer – Debouncing, throttling, batching
• TanStack Query – Async state & caching
• TanStack Ranger – Range & slider primitives
• TanStack Router – Type‑safe routing, caching & URL state
• TanStack Start – Full‑stack SSR & streaming
• TanStack Store – Reactive data store
• TanStack Table – Headless datagrids
• TanStack Virtual – Virtualized rendering

… and more at TanStack.com »