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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 | 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 | |
| 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 extension 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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