> Summary: A category-browsable index of all Postgres extensions supported on Neon, organized into groups such as AI/ML, analytics, geospatial, search, security, and query optimization. Navigate to individual extension docs, install instructions, or the flat alphabetical list.

# Postgres extension explorer

Browse supported Postgres extensions by category.

[List view](/guides/postgres-extensions-pg-extensions) | [Install an extension](/guides/postgres-extensions-pg-extensions#install-an-extension) | [Update an extension](/guides/postgres-extensions-pg-extensions#update-an-extension-version) | [Request an extension](/guides/postgres-extensions-pg-extensions#request-an-extension)

## AI / Machine Learning

- [pg\_tiktoken](/guides/postgres-extensions-pg-tiktoken): Tokenize data in Postgres using the OpenAI tiktoken library
- [lakebase\_vector](/guides/postgres-extensions-lakebase-vector): Scalable vector similarity search for RAG and semantic search
- [pgvector](/guides/postgres-extensions-pgvector): Store vector embeddings and perform vector similarity search in Postgres

## Analytics

- [pg\_mooncake](/guides/postgres-extensions-pg-mooncake): Adds columnstore tables and DuckDB execution for fast analytics in Postgres.
- [hll](https://github.com/citusdata/postgresql-hll): Implements a HyperLogLog data structure as a native data type for efficient and tunable distinct value counting
- [timescaledb](/guides/postgres-extensions-timescaledb): Enables Postgres as a time-series database for efficient storage and retrieval of time-series data

## Auditing / Logging

- [insert\_username](https://www.postgresql.org/docs/current/contrib-spi.html): Implements a trigger that stores the current user's name into a text field, useful for tracking who modified a particular row within a table
- [moddatetime](https://www.postgresql.org/docs/current/contrib-spi.html): Implements a trigger that automatically updates a timestamp column to the current timestamp whenever a row is modified
- [pgrowlocks](/guides/postgres-extensions-pgrowlocks): Provides a function that shows row locking information for a specified table, useful in concurrency and deadlock debugging
- [tcn](https://www.postgresql.org/docs/16/tcn.html): Provides a trigger function to notify listeners of changes to a table, allowing applications to respond to changes in the database

## Data / Transformations

- [address\_standardizer](https://postgis.net/docs/Extras.html#Address_Standardizer): A single-line address parser that takes an input address and normalizes it based on a set of rules
- [address\_standardizer\_data\_us](https://postgis.net/docs/Extras.html#Address_Standardizer_Tables): Provides data for standardizing US addresses, for use with the address\_standardizer extension
- [anon](/guides/postgres-extensions-postgresql-anonymizer): Provides data masking and anonymization capabilities for protecting personally identifiable information (PII) and sensitive data in Postgres databases
- [citext](/guides/postgres-extensions-citext): Provides a case-insensitive character string type that internally calls lower when comparing values in Postgres
- [cube](/guides/postgres-extensions-cube): Implements the cube data type for representing multidimensional cubes in Postgres
- [earthdistance](/guides/postgres-extensions-earthdistance): Provides cube-based and point-based approaches to calculating great circle distances on the surface of the Earth
- [hstore](/guides/postgres-extensions-hstore): Implements an hstore data type for storing and manipulating sets of key-value pairs within a single Postgres value
- [intagg](https://www.postgresql.org/docs/16/intagg.html): Provides an integer aggregator and enumerator for Postgres
- [intarray](/guides/postgres-extensions-intarray): Offers functions and operators for manipulating and searching arrays of integers within Postgres
- [isn](https://www.postgresql.org/docs/16/isn.html): Implements data types for international product numbering standards: EAN13, UPC, ISBN (books), ISMN (music), and ISSN (serials)
- [ltree](/guides/postgres-extensions-ltree): Provides data types for representing labels of data stored in a hierarchical tree-like structure and facilities for searching through label trees
- [pg\_graphql](/guides/postgres-extensions-pg-graphql): Adds GraphQL support to Postgres, allowing you to query your database via GraphQL
- [pg\_hashids](https://github.com/iCyberon/pg_hashids): Enables the generation of short, unique hash ids from integers, useful for obfuscating internal ids
- [pg\_jsonschema](https://github.com/supabase/pg_jsonschema): Provides support for JSON schema validation on json and jsonb data types
- [pg\_uuidv7](/guides/postgres-extensions-pg-uuidv7): Enables creating valid UUID Version 7 values in Postgres, enabling globally unique identifiers with temporal ordering
- [pgx\_ulid](https://github.com/pksunkara/pgx_ulid): A full-featured extension for generating and working with ULID (Universally Unique Lexicographically Sortable Identifiers)
- [seg](https://www.postgresql.org/docs/16/seg.html): Implements the seg data type for storage and manipulation of line segments or floating-point ranges, useful for geometric and scientific applications
- [semver](https://pgxn.org/dist/semver): A Postgres data type for the Semantic Version format with support for btree and hash indexing
- [tablefunc](/guides/postgres-extensions-tablefunc): Contains functions that return tables (multiple rows), including crosstab, which can pivot row data into columns dynamically
- [unaccent](/guides/postgres-extensions-unaccent): A text search dictionary that removes accents from characters, simplifying text search in Postgres
- [unit](https://github.com/df7cb/postgresql-unit): Implements a data type for SI units, plus byte, for storage, manipulation, and calculation of scientific units
- [uuid-ossp](/guides/postgres-extensions-uuid-ossp): Provides functions to generate universally unique identifiers (UUIDs) in Postgres, supporting various UUID standards
- [wal2json](/guides/postgres-extensions-wal2json): A Postgres logical decoding plugin that converts Write-Ahead Log (WAL) changes into JSON objects
- [xml2](/guides/postgres-extensions-xml2): Enables XPath queries and XSLT functionality directly within Postgres, enabling XML data processing

## Debugging

- [moddatetime](https://www.postgresql.org/docs/current/contrib-spi.html): Automatically updates a timestamp column to the current timestamp whenever a row is modified in Postgres
- [pgrowlocks](/guides/postgres-extensions-pgrowlocks): Provides a function that shows row locking information for a specified table, which can aid in concurrency and deadlock debugging
- [pgTap](https://pgtap.org/documentation.html): A unit testing framework for Postgres, enabling sophisticated testing of database queries and functions
- [plpgsql\_check](https://pgxn.org/dist/plpgsql_check/): Provides a linter and debugger for PL/pgSQL code, helping identify errors and optimize PL/pgSQL functions

## Geospatial

- [cube](/guides/postgres-extensions-cube): Implements a data type for representing multidimensional cubes in Postgres
- [earthdistance](/guides/postgres-extensions-earthdistance): Provides cube-based and point-based approaches to calculating great circle distances on the surface of the Earth
- [h3](/guides/postgres-extensions-postgis-related-extensions#h3-and-h3-postgis): Integrates Uber's H3 geospatial indexing system that combines the benefits of a hexagonal grid with S2's hierarchical subdivisions
- [h3\_postgis](/guides/postgres-extensions-postgis-related-extensions#h3-and-h3-postgis): A PostGIS extension for H3, enabling advanced spatial analysis and indexing
- [pgrouting](/guides/postgres-extensions-postgis-related-extensions#pgrouting): Extends PostGIS/Postgres databases, providing geospatial routing and other network analysis functionality
- [postgis](/guides/postgres-extensions-postgis): Extends Postgres to allow GIS (Geographic Information Systems) objects to be stored in the database, enabling spatial queries directly in SQL
- [postgis\_raster](https://postgis.net/docs/RT_reference.html): Adds support for raster data to PostGIS, enabling advanced geospatial analysis on raster images
- [postgis\_sfcgal](/guides/postgres-extensions-postgis-related-extensions#postgis-sfcgal): Provides support for advanced 3D geometries in PostGIS, based on the SFCGAL library
- [postgis\_tiger\_geocoder](/guides/postgres-extensions-postgis-related-extensions#postgis-tiger-geocoder): Enables geocoding and reverse geocoding capabilities in PostGIS using TIGER/Line data
- [postgis\_topology](https://www.postgis.net/docs/Topology.html): Extends PostGIS with support for topological data types and functions, facilitating the analysis of spatial relationships

## Index / Table optimization

- [bloom](https://www.postgresql.org/docs/16/bloom.html): Provides an index access method for Postgres based on Bloom filters
- [btree\_gin](/guides/postgres-extensions-btree-gin): Provides GIN operator classes that implement B-tree equivalent behavior
- [btree\_gist](/guides/postgres-extensions-btree-gist): Provides GiST index operator classes that implement B-tree equivalent behavior
- [ip4r](https://github.com/RhodiumToad/ip4r): Provides a range index type and functions for efficiently storing and querying IPv4 and IPv6 ranges and addresses in Postgres
- [pg\_partman](https://github.com/pgpartman/pg_partman): A partition manager extension that enables creating and managing time-based and number-based table partition sets in Postgres
- [pg\_prewarm](/guides/postgres-extensions-pg-prewarm): Allows manual preloading of relation data into the Postgres buffer cache, reducing access times for frequently queried tables
- [pg\_repack](/guides/postgres-extensions-pg-repack): Lets you remove bloat from tables and indexes, and optionally restore the physical order of clustered indexes
- [pg\_roaringbitmap](https://github.com/ChenHuajun/pg_roaringbitmap): Implements Roaring Bitmaps in Postgres for efficient storage and manipulation of bit sets
- [rum](https://github.com/postgrespro/rum): Provides an access method to work with a RUM index, designed to speed up full-text searches

## Metrics

- [neon](/guides/postgres-extensions-neon): Provides functions and views designed to gather Neon-specific metrics
- [pg\_stat\_statements](/guides/postgres-extensions-pg-stat-statements): Tracks planning and execution statistics for all SQL statements executed, aiding in performance analysis and tuning
- [pgstattuple](/guides/postgres-extensions-pgstattuple): Offers functions to show tuple-level statistics for tables, helping identify bloat and efficiency opportunities
- [tsm\_system\_rows](https://www.postgresql.org/docs/16/tsm-system-rows.html): Provides a table sampling method that selects a fixed number of table rows randomly
- [tsm\_system\_time](https://www.postgresql.org/docs/16/tsm-system-time.html): Offers a table sampling method based on system time, enabling consistent sample data retrieval over time

## Orchestration

- [tcn](https://www.postgresql.org/docs/16/tcn.html): Provides a trigger function to notify listeners of changes to a table, allowing applications to respond to changes in the database
- [pg\_partman](https://github.com/pgpartman/pg_partman): A partition manager extension that enables creating and managing time-based and number-based table partition sets in Postgres

## Procedural languages

- [plcoffee](https://coffeescript.org/): Enables writing functions in CoffeeScript, a Javascript dialect with a syntax similar to Ruby
- [plls](https://livescript.net/): Enables writing functions in LiveScript, a Javascript dialect that serves as a more powerful successor to CoffeeScript
- [plv8](/guides/postgres-extensions-plv8): Deprecated on Neon. Was a Postgres procedural language powered by V8 for JavaScript callable from SQL; use plpgsql or app-side logic instead
- [plpgsql](https://www.postgresql.org/docs/16/plpgsql.html): The default procedural language for Postgres, enabling the creation of complex functions and triggers

## Query optimization

- [hypopg](https://hypopg.readthedocs.io/en/rel1_stable/): Provides the ability to create hypothetical (virtual) indexes in Postgres for performance testing
- [pg\_hint\_plan](https://github.com/ossc-db/pg_hint_plan): Allows developers to influence query plans with hints in SQL comments, improving performance and control over query execution
- [online\_advisor](/guides/postgres-extensions-online-advisor): Recommends indexes, extended statistics, and prepared statements based on your actual query workload

## Scientific computing

- [cube](/guides/postgres-extensions-cube): Implements the cube data type for representing multidimensional cubes in Postgres
- [rdkit](https://github.com/rdkit/rdkit): Integrates the RDKit cheminformatics toolkit with Postgres, enabling chemical informatics operations directly in the database
- [seg](https://www.postgresql.org/docs/16/seg.html): Implements the seg data type for storage and manipulation of line segments or floating-point intervals, useful for representing laboratory measurements
- [unit](https://github.com/df7cb/postgresql-unit): Implements a data type for SI units, plus byte, for storage, manipulation, and calculation of scientific units

## Search

- [citext](/guides/postgres-extensions-citext): Provides a case-insensitive character string type that internally calls lower when comparing values in Postgres
- [dict\_int](/guides/postgres-extensions-dict-int): Provides a text search dictionary template for indexing integer data in Postgres
- [fuzzystrmatch](/guides/postgres-extensions-fuzzystrmatch): Provides several functions to determine similarities and distance between strings in Postgres
- [lakebase\_text](/guides/postgres-extensions-lakebase-text): BM25 keyword and full-text search for Postgres, compatible with tsvector
- [pg\_trgm](/guides/postgres-extensions-pg-trgm): Provides functions and operators for determining the similarity of alphanumeric text based on trigram matching, and index operator classes for fast string similarity search
- [prefix](https://github.com/dimitri/prefix): A prefix range module that supports efficient queries on text columns with prefix-based searching and matching capabilities
- [unaccent](/guides/postgres-extensions-unaccent): A text search dictionary that removes accents from characters, simplifying text search in Postgres

## Security

- [anon](/guides/postgres-extensions-postgresql-anonymizer): Provides data masking and anonymization capabilities for protecting personally identifiable information (PII) and sensitive data in Postgres databases
- [pg\_session\_jwt](/guides/postgres-extensions-pg-session-jwt): Handle authenticated sessions through JWTs for use with RLS policies
- [pgcrypto](/guides/postgres-extensions-pgcrypto): Offers cryptographic functions, allowing for encryption and hashing of data within Postgres
- [pgjwt](https://github.com/michelp/pgjwt): Implements JSON Web Tokens (JWT) in Postgres, allowing for secure token creation and verification

## Tooling / Admin

- [autoinc](https://www.postgresql.org/docs/current/contrib-spi.html): Provides an autoinc() function that stores the next value of a sequence into an integer field
- [hypopg](https://hypopg.readthedocs.io/en/rel1_stable/): Provides the ability to create hypothetical (virtual) indexes in Postgres for performance testing
- [insert\_username](https://www.postgresql.org/docs/current/contrib-spi.html): Automatically inserts the username of the person executing an insert operation into a specified table in Postgres
- [lo](https://www.postgresql.org/docs/16/lo.html): Provides support for managing large objects (LOBs) in Postgres, including a data type lo and a trigger lo\_manage
- [neon\_utils](/guides/postgres-extensions-neon-utils): Provides a function for monitoring how Neon's Autoscaling feature allocates compute resources in response to workload
- [pg\_cron](/guides/postgres-extensions-pg-cron): Lets you schedule and manage periodic jobs directly in your Postgres database
- [pgtap](https://pgtap.org/documentation.html): A unit testing framework for Postgres, enabling sophisticated testing of database queries and functions
- [refint](https://www.postgresql.org/docs/current/contrib-spi.html): Provides functions for maintaining foreign key constraints

## Remote data access

- [dblink](/guides/postgres-extensions-dblink): Provides functions for accessing and manipulating data in remote databases from within Postgres
- [postgres\_fdw](/guides/postgres-extensions-postgres-fdw): Access data in remote Postgres databases as local tables

***

## Related docs (Extensions)

- [anon](/guides/postgres-extensions-postgresql-anonymizer)
- [btree\_gin](/guides/postgres-extensions-btree-gin)
- [btree\_gist](/guides/postgres-extensions-btree-gist)
- [citext](/guides/postgres-extensions-citext)
- [cube](/guides/postgres-extensions-cube)
- [dblink](/guides/postgres-extensions-dblink)
- [dict\_int](/guides/postgres-extensions-dict-int)
- [earthdistance](/guides/postgres-extensions-earthdistance)
- [fuzzystrmatch](/guides/postgres-extensions-fuzzystrmatch)
- [hstore](/guides/postgres-extensions-hstore)
- [intarray](/guides/postgres-extensions-intarray)
- [lakebase\_text](/guides/postgres-extensions-lakebase-text)
- [lakebase\_tokenizer](/guides/postgres-extensions-lakebase-tokenizer)
- [lakebase\_vector](/guides/postgres-extensions-lakebase-vector)
- [ltree](/guides/postgres-extensions-ltree)
- [neon](/guides/postgres-extensions-neon)
- [neon\_utils](/guides/postgres-extensions-neon-utils)
- [online\_advisor](/guides/postgres-extensions-online-advisor)
- [pgcrypto](/guides/postgres-extensions-pgcrypto)
- [pgvector](/guides/postgres-extensions-pgvector)
- [pgrag](/guides/postgres-extensions-pgrag)
- [pg\_cron](/guides/postgres-extensions-pg-cron)
- [pg\_graphql](/guides/postgres-extensions-pg-graphql)
- [pg\_mooncake](/guides/postgres-extensions-pg-mooncake)
- [pg\_partman](/guides/postgres-extensions-pg-partman)
- [pg\_prewarm](/guides/postgres-extensions-pg-prewarm)
- [pg\_session\_jwt](/guides/postgres-extensions-pg-session-jwt)
- [pg\_stat\_statements](/guides/postgres-extensions-pg-stat-statements)
- [pg\_repack](/guides/postgres-extensions-pg-repack)
- [pg\_search](/guides/postgres-extensions-pg-search)
- [pg\_tiktoken](/guides/postgres-extensions-pg-tiktoken)
- [pg\_trgm](/guides/postgres-extensions-pg-trgm)
- [pg\_uuidv7](/guides/postgres-extensions-pg-uuidv7)
- [pgrowlocks](/guides/postgres-extensions-pgrowlocks)
- [pgstattuple](/guides/postgres-extensions-pgstattuple)
- [plv8](/guides/postgres-extensions-plv8)
- [postgis](/guides/postgres-extensions-postgis)
- [postgis-related](/guides/postgres-extensions-postgis-related-extensions)
- [postgres\_fdw](/guides/postgres-extensions-postgres-fdw)
- [tablefunc](/guides/postgres-extensions-tablefunc)
- [timescaledb](/guides/postgres-extensions-timescaledb)
- [unaccent](/guides/postgres-extensions-unaccent)
- [uuid-ossp](/guides/postgres-extensions-uuid-ossp)
- [wal2json](/guides/postgres-extensions-wal2json)
- [xml2](/guides/postgres-extensions-xml2)

***

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## Related pages

- [The anon extension](./postgres-extensions-postgresql-anonymizer.md)
- [The btree_gin extension](./postgres-extensions-btree-gin.md)
- [The btree_gist extension](./postgres-extensions-btree-gist.md)
- [The citext Extension](./postgres-extensions-citext.md)
- [The cube extension](./postgres-extensions-cube.md)
- [The dblink extension](./postgres-extensions-dblink.md)
- [The dict_int extension](./postgres-extensions-dict-int.md)
- [The earthdistance extension](./postgres-extensions-earthdistance.md)
- [The fuzzystrmatch extension](./postgres-extensions-fuzzystrmatch.md)
- [The hstore extension](./postgres-extensions-hstore.md)

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