v0.2.1
rfc_6901
JSON Pointer (RFC 6901). Reads/writes referred values in JSON documents.
32Likes 888K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
FLUTTER ECOSYSTEM
Curated for Flutter developers
38Flutter packages
Flutter packages
38 packages38 packages
v2.1.1
yet_another_json_isolate
Package to simplify and improve JSON parsing in isolates by keeping one isolate running per instance.
15Likes 1.3M30-day downloads140Pub points
AndroidiOSWebmacOSWindowsLinux
v0.9.0
json_path
Implementation of RFC 9535 - JSONPath: Query Expressions for JSON. Reads and writes values in parsed JSON objects using queries like `$.store.book[2].price`.
126Likes 372K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
v1.3.0
deep_pick
Simplifies manual JSON parsing with a type-safe API. No dynamic, no manual casting. Flexible inputs types, fixed output types. Useful parsing error messages
161Likes 181K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
v6.2.9
xml2json
An XML to JSON conversion package. Supports Badgerfish, GData, OpenRally and Parker conversions.
126Likes 116K30-day downloads0Pub points
AndroidiOSWebmacOSWindowsLinux
v5.2.2
json_schema
JSON Schema implementation in Dart
45Likes 250K30-day downloads115Pub points
AndroidiOSWebmacOSWindowsLinux
v1.1.5flutter_json_view
Displaying json models in a Flutter widget with customization.
145Likes 18.1K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
v0.4.0+1
crimson
Fast, efficient and easy-to-use JSON parser and serializer for Dart.
128Likes 5130-day downloads140Pub points
AndroidiOSWebmacOSWindowsLinux
v0.0.3
jsonc
JSON with comments and trailing commas.
4Likes 185K30-day downloads150Pub points
AndroidiOSWebmacOSWindowsLinux
v2.2.5geojson_vi
An Open-Source Dart and Flutter Library for Efficiently Handling GeoJSON Data in Compliance with RFC 7946
66Likes 14.1K30-day downloads150Pub points
AndroidiOSWebmacOSWindowsLinux
v3.0.1
json2yaml
Dart package to render JSON data to YAML with built-in automatic beautifier and support for Dart pubspec.yaml and pubspec.lock conventions
12Likes 90.2K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
v3.0.0
carp_serializable
Polymorphic JSON serialization based on json_serializable annotations.
4Likes 247K30-day downloads150Pub points
AndroidiOSWebmacOSWindowsLinux
v1.0.0
geojson
Utilities to work with geojson data. Parser with a reactive api, search and geofencing
63Likes 1.3K30-day downloads140Pub points
AndroidiOSmacOSWindowsLinux
v0.2.1
json_diff
Utilities for diffing two JSON objects
25Likes 13.1K30-day downloads130Pub points
AndroidiOSWebmacOSWindowsLinux
v1.7.0
ack
A simple validation library for Dart
57Likes 6.6K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
v2.2.0
japx
Lightweight parser for the JSON:API (http://jsonapi.org/) structure.
46Likes 15.5K30-day downloads150Pub points
AndroidiOSWebmacOSWindowsLinux
v3.0.0
json_patch
Pure Dart utility package for the JSON Patch standard. Can apply patch operations as well as perform a diff algorithm on JSON-like objects.
25Likes 11.8K30-day downloads140Pub points
AndroidiOSWebmacOSWindowsLinux
v0.4.2json_view
A json preview package that has a not bad performance. lazy load json tree node that cause less jank. Support display large list json data like chrome dev tool.
24Likes 12.8K30-day downloads150Pub points
AndroidiOSWebmacOSWindowsLinux
v1.1.2colored_json
A package that converts JSON string into a customizable flutter widget.
27Likes 2.6K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
v1.1.3
canonical_json
Encoder and decoder for a canonical JSON format, useful when cryptographically hashing or signing JSON objects.
11Likes 38.8K30-day downloads160Pub points
AndroidiOSWebmacOSWindowsLinux
v0.1.0json_data_explorer
A highly customizable widget to render and interact with JSON objects.
27Likes 6030-day downloads130Pub points
AndroidiOSWebmacOSWindowsLinux
v1.0.1flutter_json_viewer
A Json viewer widget for flutter. Shows json data in an extensible list. Makes data readable on the phone easily.
22Likes 6.8K30-day downloads140Pub points
AndroidiOSWebmacOSWindowsLinux
v0.8.2
json5
A lightweight library for encoding and decoding JSON5 with comments and trailing commas support.
20Likes 12.4K30-day downloads150Pub points
AndroidiOSWebmacOSWindowsLinux
v0.0.8json_editor
A json editor on flutter.
22Likes 2.1K30-day downloads110Pub points
AndroidiOSmacOSWindowsLinux
How do you choose a Flutter package for JSON?
Check the required features and target platforms first, then compare versions, downloads, and Pub points. Open package details to consult the original documentation and test compatibility in your project.
Flutter is an open-source framework for building beautiful, natively compiled, multi-platform applications from a single codebase.
Where can you verify package information?
Check versions and package metadata on pub.dev, and source code, licensing, and maintenance in the project’s GitHub repository. The official Dart documentation explains that package metadata lives in pubspec.yaml.
pub.dev · GitHub · Dart — The pubspec file
All of this metadata goes in the package's pubspec