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List of Official Extensions
| Extension Name | Description | Aliases |
|---|---|---|
| arrow GitHub | A zero-copy data integration between Apache Arrow and DuckDB | |
| autocomplete | Adds support for autocomplete in the shell | |
| aws GitHub | Provides features that depend on the AWS SDK | |
| azure GitHub | Adds a filesystem abstraction for Azure blob storage to DuckDB | |
| excel | Adds support for Excel-like format strings | |
| fts | Adds support for Full-Text Search Indexes | |
| httpfs | Adds support for reading and writing files over a HTTP(S) connection | http, https, s3 |
| iceberg GitHub | Adds support for Apache Iceberg | |
| icu | Adds support for time zones and collations using the ICU library | |
| inet | Adds support for IP-related data types and functions | |
| jemalloc | Overwrites system allocator with jemalloc | |
| json | Adds support for JSON operations | |
| mysql GitHub | Adds support for reading from and writing to a MySQL database | |
| parquet | Adds support for reading and writing Parquet files | |
| postgres_scanner GitHub | Adds support for reading from a Postgres database | postgres |
| spatial GitHub | Geospatial extension that adds support for working with spatial data and functions | |
| sqlite_scanner GitHub | Adds support for reading SQLite database files | sqlite, sqlite3 |
| substrait GitHub | Adds support for the Substrait integration | |
| tpcds | Adds TPC-DS data generation and query support | |
| tpch | Adds TPC-H data generation and query support |
Default Extensions
Different DuckDB clients ship a different set of extensions. We summarize the main distributions in the table below.
| Extension Name | CLI (duckdb.org) | CLI (Homebrew) | Python | R | Java | Julia | Node.JS |
|---|---|---|---|---|---|---|---|
| autocomplete | yes | yes | |||||
| excel | yes | ||||||
| fts | yes | yes | |||||
| httpfs | yes | ||||||
| icu | yes | yes | yes | yes | yes | yes | |
| json | yes | yes | yes | yes | yes | yes | |
| parquet | yes | yes | yes | yes | yes | yes | yes |
| tpcds | yes | ||||||
| tpch | yes | yes |
The jemalloc extension’s availability is based on the operating system. It is a built-in extension on Linux and macOS versions, while on Windows, it is not available.
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