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Documentation
/ Core Extensions
Core Extensions
List of Core Extensions
| Name | Description | Maintainer | Support tier | Aliases |
|---|---|---|---|---|
| autocomplete | Adds support for autocomplete in the shell | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| avro | Add support for reading Avro files | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| aws | Provides features that depend on the AWS SDK | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| azure | Adds a filesystem abstraction for Azure blob storage to DuckDB | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| delta | Adds support for Delta Lake | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| ducklake | Adds support for DuckLake | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| encodings | Adds support for encodings available in the ICU data repository | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| excel | Adds support for reading and writing Excel files | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| fts | Adds support for full-text search indexes | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| httpfs | Adds support for reading/writing files over an HTTP(S) or S3 connection | DuckDB team | PrimaryPrimary clients are covered by community support. | http, https, s3 |
| iceberg | Adds support for Apache Iceberg | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| icu | Adds support for time zones and collations using the ICU library | DuckDB team | PrimaryPrimary clients are covered by community support. | |
| inet | Adds support for IP-related data types and functions | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| jemalloc | Overwrites the system allocator with jemalloc | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| json | Adds support for JSON operations | DuckDB team | PrimaryPrimary clients are covered by community support. | |
| lance | Adds support to read and write Lance tables | Third party | ||
| motherduck | Allows connecting to MotherDuck | Third party | md | |
| mysql | Adds support for reading from and writing to a MySQL database | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | mysql_scanner |
| odbc | Adds support for accessing remote databases over ODBC drivers | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | odbc_scanner |
| parquet | Adds support for reading and writing Parquet files | DuckDB team | PrimaryPrimary clients are covered by community support. | |
| postgres | Adds support for reading from and writing to a PostgreSQL database | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | postgres_scanner |
| spatial | Adds support for working with geospatial data and functions | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| sqlite | Adds support for reading from and writing to SQLite database files | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | sqlite_scanner, sqlite3 |
| tpcds | Adds TPC-DS data generation and query support | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| tpch | Adds TPC-H data generation and query support | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | |
| unity_catalog | Adds support for connecting to Unity Catalog | DuckDB team | SecondarySecondary extensions are supported on a best-effort basis. | 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 | SecondarySecondary extensions are supported on a best-effort basis. |
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 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.
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