# Data cleansing

### In this section

* [Validating data](https://help.qlik.com/talend/en-US/studio-user-guide/7.3/validating-data)
* [Standardizing data](https://help.qlik.com/talend/en-US/studio-user-guide/7.3/standardizing-data)
* [Deduplicating data](https://help.qlik.com/talend/en-US/studio-user-guide/7.3/deduplicating-data)
* [Cleansing delimited files (CSV files)](https://help.qlik.com/talend/en-US/studio-user-guide/7.3/cleansing-delimited-files-csv-files)