[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) › Base64Url

```ts
type Base64Url = string & Brand<"Base64Url">;
```

Defined in: [packages/common/src/Type.ts:7108](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Type.ts#L7108)

Base64Url text without padding.

Convert bytes to Base64Url with [uint8ArrayToBase64Url](https://evolu.dev/docs/api-reference/common/Type/functions/uint8ArrayToBase64Url) and convert
Base64Url to bytes with [base64UrlToUint8Array](https://evolu.dev/docs/api-reference/common/Type/functions/base64UrlToUint8Array).