# External Access and Binary

### In this section

* [ConvertFromBinary](https://help.qlik.com/talend/en-US/data-mapper-functions-reference-guide/8.0-R2025-11/convertfrombinary-function)
* [ExtractBytes](https://help.qlik.com/talend/en-US/data-mapper-functions-reference-guide/8.0-R2025-11/extractbytes-function)
* [GetBytesFromURL](https://help.qlik.com/talend/en-US/data-mapper-functions-reference-guide/8.0-R2025-11/getbytesfromurl-function)