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

```ts
function createBuffer(
  arrayLike?: Uint8Array<ArrayBufferLike> | ArrayLike<number>,
): Buffer;
```

Defined in: [packages/common/src/Buffer.ts:146](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Buffer.ts#L146)

Creates a [Buffer](https://evolu.dev/docs/api-reference/common/Buffer/interfaces/Buffer) for efficient byte operations.