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PostgreSQL extensions that do not require CREATE EXTENSION

The following 26 extensions can be used without running CREATE EXTENSION.

These extensions typically exist as shared libraries (hooks) or standalone tools that take effect through configuration parameters.

ExtensionPackageVersionAttrDescription
pg_taskpg_task1.0.0--sL---execute any sql command at any specific time at background
plan_filterpg_plan_filter0.0.1--sL---filter statements by their execution plans.
pg_checksumspg_checksums1.3--s---rActivate/deactivate/verify checksums in offline Postgres clusters
pg_crashpg_crash1.0--sL---Send random signals to random processes
safeupdatesafeupdate1.5--sL---Require criteria for UPDATE and DELETE
basic_archivebasic_archive-c-s----an example of an archive module
basebackup_to_shellbasebackup_to_shell-c-s----adds a custom basebackup target called shell
bgw_replstatusbgw_replstatus1.0.8--sL---Small PostgreSQL background worker to report whether a node is a replication master or standby
pg_relusagepg_relusage0.0.1--sL---Log all the queries that reference a particular column
pg_overexplainpg_overexplain1.0c-sL---Allow EXPLAIN to dump even more details
auto_explainauto_explain-c-sL---Provides a means for logging execution plans of slow statements automatically
passwordcheck_cracklibpasswordcheck_cracklib3.1.0--sL---Strengthen PostgreSQL user password checks with cracklib
supautilssupautils3.1.0--sL---Extension that secures a cluster on a cloud environment
pg_snakeoilpg_snakeoil1.4--sL--rThe PostgreSQL Antivirus
pgextwlistpgextwlist1.19--sL---PostgreSQL Extension Whitelisting
sepgsqlsepgsql-c-sL---label-based mandatory access control (MAC) based on SELinux security policy.
auth_delayauth_delay-c-sL---pause briefly before reporting authentication failure
passwordcheckpasswordcheck-c-sL---checks user passwords and reject weak password
pg_statement_rollbackpg_statement_rollback1.5--sL---Server side rollback at statement level for PostgreSQL like Oracle or DB2
pg_failover_slotspg_failover_slots1.2.0--sL--rPG Failover Slots extension
wal2jsonwal2json2.6--s----Changing data capture in JSON format
wal2mongowal2mongo1.0.7--s----PostgreSQL logical decoding output plugin for MongoDB
decoderbufsdecoderbufs3.4.1--s----Logical decoding plugin that delivers WAL stream changes using a Protocol Buffer format
decoder_rawdecoder_raw1.0--s----Output plugin for logical replication in Raw SQL format
test_decodingtest_decoding-c-s----SQL-based test/example module for WAL logical decoding
pgoutputpgoutput-c-s----Logical Replication output plugin

Last Modified 2026-03-12: add pg extension catalog (95749bf)