[[ingest]]
== Ingest Plugins

The ingest plugins extend Elasticsearch by providing additional ingest node capabilities.

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=== Core Ingest Plugins

The core ingest plugins are:

<<ingest-attachment>>::

The ingest attachment plugin lets Elasticsearch extract file attachments in common formats (such as PPT, XLS, and PDF) by
using the Apache text extraction library http://lucene.apache.org/tika/[Tika].

<<ingest-user-agent>>::

A processor that extracts details from the User-Agent header value.

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=== Community contributed ingest plugins

The following plugin has been contributed by our community:

* https://github.com/johtani/elasticsearch-ingest-csv[Ingest CSV Processor Plugin] (by Jun Ohtani)

include::ingest-attachment.asciidoc[]

include::ingest-user-agent.asciidoc[]