List of Core Extensions

Name	Description	Maintainer	Support tier	Aliases
autocomplete	Adds support for autocomplete in the shell	DuckDB team	Secondary
avro	Add support for reading Avro files	DuckDB team	Secondary
aws	Provides features that depend on the AWS SDK	DuckDB team	Secondary
azure	Adds a filesystem abstraction for Azure blob storage to DuckDB	DuckDB team	Secondary
delta	Adds support for Delta Lake	DuckDB team	Secondary
ducklake	Adds support for DuckLake	DuckDB team	Secondary
encodings	Adds support for encodings available in the ICU data repository	DuckDB team	Secondary
excel	Adds support for reading and writing Excel files	DuckDB team	Secondary
fts	Adds support for full-text search indexes	DuckDB team	Secondary
httpfs	Adds support for reading/writing files over an HTTP(S) or S3 connection	DuckDB team	Primary	http, https, s3
iceberg	Adds support for Apache Iceberg	DuckDB team	Secondary
icu	Adds support for time zones and collations using the ICU library	DuckDB team	Primary
inet	Adds support for IP-related data types and functions	DuckDB team	Secondary
jemalloc	Overwrites the system allocator with jemalloc	DuckDB team	Secondary
json	Adds support for JSON operations	DuckDB team	Primary
lance	Adds support for the Lance file format	Third party
motherduck	Allows connecting to MotherDuck	Third party		md
mysql	Adds support for reading from and writing to a MySQL database	DuckDB team	Secondary	mysql_scanner
parquet	Adds support for reading and writing Parquet files	DuckDB team	Primary
postgres	Adds support for reading from and writing to a PostgreSQL database	DuckDB team	Secondary	postgres_scanner
spatial	Adds support for working with geospatial data and functions	DuckDB team	Secondary
sqlite	Adds support for reading from and writing to SQLite database files	DuckDB team	Secondary	sqlite_scanner, sqlite3
tpcds	Adds TPC-DS data generation and query support	DuckDB team	Secondary
tpch	Adds TPC-H data generation and query support	DuckDB team	Secondary
unity_catalog	Adds support for connecting to Unity Catalog	DuckDB team	Secondary	uc_catalog
ui	Adds local UI for DuckDB	Third party
vortex	Adds support for reading and writing Vortex files	Third party
vss	Adds support for vector similarity search queries	DuckDB team	Secondary

The Maintainer column denotes whether the extension is maintained by the DuckDB team or by a third party. For the extensions maintained by the DuckDB team, the Support tier column denotes whether the extension's support status. Primary extensions are covered by community support. Secondary extensions are supported on a best-effort basis. That said, they still receive frequent bugfixes/updates and are shipped with new DuckDB releases.