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Extensions / Functions and aggregates

unaccent

text search dictionary that removes accents

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Overview

Packageunaccent
Version1.1
PostgreSQL versions14 · 15 · 16 · 17 · 18
RepositoryPostgreSQL contrib
Extension typeStandard
Requires CREATE EXTENSIONYes
Requires preloadNo
TrustedYes
Latest commit2026-05-14
Latest release2026-05-14
Catalogue updated2026-07-29

Related extensions

Required by

geohistorical_objectsGeohistorical objects support
historical_geocodingSQL toolkit for geocoding historical addresses by combining textual, temporal, and spatial evidence.
launchql-inflectioninflection is a port of the functionality from Ruby on Rails' Active Support Inflection classes into PostgreSQL
pg_slugifyNormalize text into URL-friendly slugs with unaccent
pgpm-inflectionPostgreSQL modules using the pgpm workflow for safe, testable, reversible SQL changes.
tsp_semantic_headlinePhrase highlighting and improved semantics for ts_headline

See also

dict_xsyntext search dictionary template for extended synonym processing
dict_inttext search dictionary template for integers
pg_tokenizerTokenizers for full-text search
pgroongaUse Groonga as index, fast full text search platform for all languages!
icu_extAccess ICU functions
pg_xenophileMore than the bare necessities for PostgreSQL i18n and l10n.
citextdata type for case-insensitive character strings
pg_trgmtext similarity measurement and index searching based on trigrams