json_annotation

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flutter pub add json_annotation

pub.dev Source Code API Docs

Category	:	Code Generator & Serialization (JSON)
Dart 3 compatible	:	Yes
Null safety	:	Yes
Platform(s)	:	Android iOS Web macOS Windows Linux
Dart SDK	:	^3.9.0
Latest Version	:	4.11.0 (Feb, 2026)
Created	:	Sep, 2017
Pub Likes	:	1.3K
Pub 30-day Downloads	:	6.9M
Pub Points	:	150
GitHub Stars	:	1.6K
Open Issues	:	152

About json_annotation package

Classes and helper functions that support JSON code generation via the `json_serializable` package.

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Last updated: April 1, 2026