---title: Debuggingnav: 3.2---
## Using React Dev Tools
You can use [React Dev Tools](https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi)to inspect Jotai state. To achieve that [useDebugValue](https://reactjs.org/docs/hooks-reference.html#usedebugvalue)is used inside custom hooks. Keep in mind that it only works in dev mode(`NODE_ENV === 'development'`).
### Provider
If you select Jotai `Provider` component in the React Dev Tools to see customhook "DebugState" which allows you to see all atom states,which is a map of atom config and atom values & dependents.
By default each state has the label like `1:<no debugLabel>` with number beinginternal `key` assigned to each atom automatically. But you can add labels toatoms to help you distinguish them more easily with `debugLabel`.
```jsconst countAtom = atom(0)if (process.env.NODE_ENV !== 'production') { countAtom.debugLabel = 'count'}```
So it will show up as `1:count` instead.
### useAtom
`useAtom` calls `useDebugValue` for atom values, so if you select the componentin React Dev Tools you would see "Atom" hooks for each atom that is used in thecomponent along with the value it has right now.
## Using Redux DevTools
You can use [Redux DevTools](https://chrome.google.com/webstore/detail/redux-devtools/lmhkpmbekcpmknklioeibfkpmmfibljd)to inspect the state of a particular atom. Please refer to [`useAtomDevtools`](../api/devtools.mdx#use-atom-devtools) hook from `jotai/devtools` bundle.
## Frozen Atoms
To find bugs where you accidentally tried to mutate objects stored in atoms youcould use [`freezeAtom`](../api/utils.mdx#freeze-atom) or[`atomFrozenInDev`](../api/utils.mdx#atom-frozen-in-dev) from `jotai/utils` bundle.Which returns atoms value that is deeply freezed with `Object.freeze`.