# encodeBase64

**Kind:** Function

**Source:** [`src/utils/encode.ts`](https://github.com/honojs/hono/blob/main/src/utils/encode.ts#L15)

**Part of:** [Utils](subsystem-src-utils)

## Signature

```ts
function encodeBase64(buf: ArrayBufferLike): string
```

## Parameters

| Name | Type |
|---|---|
| `buf` | `ArrayBufferLike` |

**Returns:** `string`

## Used by

3 references from 3 files. Each is a place in this repository where the symbol is actually used — go read one rather than trusting an example.

### Imported by (3)

- `key` — `src/middleware/secure-headers/secure-headers.ts`:139
- `LambdaEvent` — `src/adapter/aws-lambda/handler.ts`:23
- `CloudFrontRequest` — `src/adapter/lambda-edge/handler.ts`:41