[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › base64UrlToUint8Array

```ts
const base64UrlToUint8Array: (str: Base64Url) => Uint8Array;
```

Defined in: [packages/common/src/Type.ts:1621](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Type.ts#L1621)

Decodes a [Base64Url](https://evolu.dev/docs/api-reference/common/Type/variables/Base64Url) string to a Uint8Array.