# Data formats

- [Changing data formats](/latest/user-guide/using/tutorials/sql-processors/data-formats/changing-data-formats.md): Tutorial on how to change the format of data in a Kafka topic from JSON to AVRO with Lenses SQL Processors.
- [Rekeying data](/latest/user-guide/using/tutorials/sql-processors/data-formats/rekeying-data.md): This page describes a tutorial to rekey data in a Kafka topic with Lenses SQL Processors.
- [Controlling AVRO record names and namespaces](/latest/user-guide/using/tutorials/sql-processors/data-formats/controlling-avro-record-names-and-namespaces.md): This page a tutorial to control AVRO record names and namespaces with Lenses SQL Processors.
- [Changing the shape of data](/latest/user-guide/using/tutorials/sql-processors/data-formats/changing-the-shape-of-data.md): This page describe a tutorial to change the shape (fields) of data in a Kafka topic using Lenses SQL Processors.