# 外部アクセスとバイナリ

### このセクション内

* [ConvertFromBinary](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-07/convertfrombinary-function)
* [ExtractBytes](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-07/extractbytes-function)
* [GetBytesFromURL](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-07/getbytesfromurl-function)