[role="xpack"]
[[transforms]]
= Transforming data

// tag::transform-intro[]
{transforms-cap} enable you to convert existing {es} indices into summarized
indices, which provide opportunities for new insights and analytics.
// end::transform-intro[]
For example, you can use {transforms} to pivot your data into entity-centric
indices that summarize the behavior of users or sessions or other entities in
your data.

* <<transform-overview>>
* <<transform-setup>>
* <<transform-usage>>
* <<transform-api-quickref>>
* <<ecommerce-transforms>>
* <<transform-examples>>
* <<transform-painless-examples>>
* <<transform-troubleshooting>>
* <<transform-limitations>>