JSON

Very fast JSON Viewer, supporting huge (multi gigabytes) files, JSON log (JSON-Lines and ndjson).

simple JSON pretty-viewer for Mac OS X. (inactive)

convert a object to a class of one of the currently supported languages.

Binary JSON.

An extremely efficient object serialization library.

The universally compatible format specification for binary JSON.

Concise Binary Object Representation.

Protocol JSON, super efficient binary serialization format.

Space-efficient binary JSON serialization format based on JSON Schema.

(github) - Makes JSON easy to read. Open source.

(github) - It is a Chrome extension for printing JSON and JSONP.

(github) - Browse like you do it in Finder.

(github - An open source Chrome extension for browsing JSON with syntax highlighting and folding, or as a visual graph.

(github) - Gron inspired Extension. Convert a JSON document into javascript expressions. Comes with filter, remove, find-and-replace capabilities.

(github) - View JSON documents in the browser.

(github) - Formats & syntax highlights JSON viewed inside of the web browser using the ACE editor.

(github) - A port of the JSONView Firefox extension that formats and syntax highlights JSON viewed inside of the browser

Tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.

A interactive terminal tool.

A small utility to create JSON objects

Pretty-print Json in terminal with colors and adjusting tabs size.

A lightweight and flexible command-line JSON processor.jaq - A jq clone focussed on correctness, speed, and simplicity. Written in Rust.gojq - Pure Go implementation of jq. A bit faster and more portable.

An alternative jq implementation in rust for continuous parsing without crashing on invalid JSON

A "json" command for massaging JSON on your Unix command line.

A small tool to search for objects/values in json files.

A parser designed for maximum convenience within the shell.

Shorthand JSON and form encoding syntax in the shell.

Like awk, but for JSON.

Manipulate and extract envfiles in json format.

Convert a JSON file into discrete assignments that are greppable.

Incremental Digger. Drill down JSON interactively by using filtering queries like jq.

It's jid with jq. You can drill down interactively by using jq filtering queries.

jv (for jsonviewer) helps you view your JSON.

Functional sed for JSON.

A fast and flexible command line JSON processor.

A terminal spreadsheet-like tool for interactively exploring data.

Converts the output of many CLI tools, file-types, and common strings into JSON

jq, tail, less, grep and awk merged together and available in a clean web UI.

an open-source document database, and the leading NoSQL database.

An open-source distributed document database with a pleasant and powerful query language.

Embedded JSON Database engine published under MIT license. (C)

Flat file database built on lodash API. (Javascript)

A lightweight clientside document store. (Javascript)

Object document mapper for JavaScript to use on the server or in the browser. (Javascript)

Get a full fake REST API with zero coding in less than 30 seconds.

A lightweight JSON storage service with synchronisation and sharing abilities.

Seamless multi-master sync, that scales from Big Data to Mobile, with an Intuitive HTTP/JSON API and designed for Reliability.

Event-driven JSON-Database with JSON-Schema, mango-Query and CouchDB-sync. (Javascript)

A simple, self-contained, serverless, zero-configuration, json document store. (Bash)

Various country related datasets, as JSON inc currency, country codes, names and more

World countries.

Up to date Magic the Gathering card data.

Up to date Hearthstone card data.

Generator for custom Countries data.

Magical Data Modelling Framework. (Objective-C)

Reads data from standard input, anonymizes, then writes to standard output.

Server for dynamic, fake JSON. (node.js)

A format for describing changes to a document.

Lean and mean Javascript implementation of the JSON-Patch standard (RFC 6902). (Javascript)

JSON Patch and diff based on rfc6902. (Javascript)

implementation of JSON-patch (IETF RFC 6902) (PHP)

A micro library for diffing and patching using a compact diff format. (Javascript)

Diff & patch for JavaScript objects. (Javascript)

Content Management System that supports arbitrary data model structures.

User friendly, visual editor built as an AngularJS directive.

Display your JSON as a graph

A geospatial data interchange format.

A lightweight Linked Data format.

A stateless, light-weight remote procedure call (RPC) protocol.

Safer cross-domain Ajax with JSON-P/JSONP.

A compact format for transporting XML-based markup as JSON which allows it to be losslessly converted back to its original form.

a extension that aims to make it easier for humans to write and maintain by hand.

JSON for Humans (ES6).

An evolved version 1.1 with format extension for humans incl. comments, unquoted and multi-line strings, optional and trailing commas and more.

The open source initiative to create standard for resumes.

A compact URL-safe means of representing claims to be transferred between two parties.

A standard for building APIs.

A read/write hypermedia-type designed to support management and querying of simple collections.

A set of conventions for expressing hyperlinks in either JSON or XML.

A format for syndicating social activities around the web.

Simple lightweight format for data dissemination.

Making open source contribution information easier to access, across projects.

(Newline delimited JSON) - a standard for delimiting JSON in stream protocols.

JSON based survey library.

A protocol for synchronising JSON-based data objects efficiently, with support for push and out-of-band binary data upload/download.

JSONic way of storing secrets in config file.

A proposal for a standard way of creating music sequence data in JSON.

component for you web apps/pages. (jQuery)

Widget for displaying a tree structure in html. (jQuery)

jquery plugin, that provides interactive trees. (jQuery)

A funner, semantic, HTML5+JSON, interactive table plugin. (jQuery)

Angular directive for collapsible JSON in HTML. (AngularJS)

A React component for building Web forms from JSON Schema. (React)

A React component for JSON viewer. (React)

JSON powered / Dynamic forms for Angular

A C library for encoding, decoding and manipulating data.

A minimalistic parser in C. It can be easily integrated into the resource-limited projects or embedded systems.

A minimalistic serializer in C. It can be easily integrated into the resource-limited projects or embedded systems.

A fast JSON parser.

An efficient library for embedded systems.

A self contained Flex/Bison parser for C++11.

A tiny library for C++11.

A C++11 header-only class.

A fast JSON parser/generator for C++ with both SAX/DOM style API

Parsing gigabytes of JSON per second.

parser/generator to/from Clojure data structures.

A Fortran library for writing, reading, and manipulating JSON files and data structures.

A collection of high performance JSON processing and generating tool.

JSON quasiquoter for Haskell.

JSON Schema library for Haskell

JSON Schema Draft 4 library for Haskell

A reference implementation.

A Java library to convert JSON to Java objects and vice-versa.

A multi-purpose Java library for processing JSON data format.

A modern JSON library for Android and Java.

A lightweight Java library for serialization, parsing and manipulation with a clean and precise API.

A very fast streaming JSON library. Operates on byte arrays.

Lean JSON Library for Java, with a compact, elegant API.

JSON in JavaScript.

A modern implementation.

A streaming approach, speeds up web applications by providing parsed objects before the response completes.

A JSON formatter that produces human-readable but fairly compact output.

Minimal lossless parse event streaming, akin to SAX.

Objective-C library.

Parse one or more chunks of data.

Perl module for encoding and decoding JSON in a minimalistic way.

A generic JSON object written in PL/SQL.

A robust decoder/encoder with support for schema validation.

A simple, fast, extensible encoder/decoder

Library for serializing any arbitrary object graph.

An ultra-fast Python 3 implementation of a JSON encoder.

A fast JSON parser and Object marshaller as a Ruby gem.

A generic swappable back-end for JSON handling.

Use JSON to create React Stateless Components.

serialization framework for .NET.

Client framework for consuming JSONAPI based APIs on the JSON API standard.

A formatter that produces human-readable but fairly compact output.

A lightweight, clean and simple implementation in Scala.

Yet another JSON library for Scala.

Support library for integrating the JSON:API spec with Play, Spray and/or Circe backends.

Scala macros for compile-time generation of ultra-fast JSON codecs.

JSON parsing and generation library in for shell scripts (Ash/Bash)

The better way to deal with data in Swift.

Parser and validator with a CLI. (Javascript)

PHP linter. (PHP)

The JSON Validator.

The Advanced Version of the JSON Linter.

JSON editor, inspector and beautifier.

A web-based tool to view, edit and format.

Formatter and Colorer of Raw Code.

Formatter to help with debugging.

Tool for generating random data.

Web API to quickly generate fake data for your application.

A free, in-browser JSON to CSV converter.

Easy, privacy-friendly and offline-first online csv to json converter

Generate c# classes from a json string or url.

Site for generating C#, VB.Net, and Javascript classes from JSON.

Simply edit GeoJSON map data.

A playground for jq.

Convert JSON to YAML online.

A simple GUI for generating the selectors to access.

Fully client-side validator and formatter.

Online live JSON generator.

Fake Online REST API for Testing and Prototyping.

Diff tool to compare two files.

A simple and free JSON Schema Validation API.

A Visual, Unbiased and Up-to-Date JSON Performance Benchmark.

Formatter that produces human-readable but fairly compact output.

a JSON based format for defining the structure of JSON data.

Language for validating and specifying values.

A parser, schema validator, and data binding tool

Simple, Extensible Schemata.

A simple and free API for currency exchange rate data.

JSON IP and GeoIP REST API.

Simple HTTP proxy that enables cross-domain requests to any JSON API.

JSON IP and GeoIP REST API.

a simple JSON storage platform.

A human friendly data serialization standard for all programming languages.

JSON for Humans - with unquoted identifiers, multi-line strings and comments.

(uson) - a shorthand for JSON.

Human-Optimized Config Object Notation.

A semantically complete superset of JSON (draft).

A minimal configuration file format that's easy to read due to obvious semantics.

A structured configuration language that is both human and machine friendly.

An introductory tutorial on JavaScript Object Notation (JSON).

Basic operations in different languages (57 languages in this moment).

Video tutorial for beginners.

How jq can be used to process JSON files just as effectively as traditional Unix tools.

A simple text based format for interchanging of objects, documents and data. It tries to combine the best of JSON, XML and YAML.

CoffeeScript-Object-Notation. JSON for CoffeeScript objects.

Markdown syntax compatible with describing JSON and JSON Schema.

Structured text format optimized for human writability.

JS type systems interportability, comparison of different JS type systems and conversion between them.

A curated list of awesome jq tools and resources.

A domain specific configuration language that helps you define JSON data.

General ruby templating with json, bson, xml, plist and msgpack support. (Ruby)

HTML templating library with wrappers for both jQuery and Node.js. (Javascript)

Testing platform for services utilizing JavaScript Object Notation (JSON).

Write JSON unit tests in less code. Great for testing REST interfaces. (Java)

A library that simplifies JSON comparison in unit tests. It's strongly inspired by XmlUnit.

A very complete test suite and validation framework.

Reformat tool.

A better JSON for Vim: distinct highlighting of keywords vs values, JSON-specific (non-JS) warnings, quote concealing. Pathogen-friendly.

Formatter that produces human-readable but fairly compact output.

Browse and query json files in neovim from the quickfix window. (Lua)

Javascript tool to process operations on pure JSON objects. (Javascript)

Transform (reformat) structures from one to another. (Javascript)

The ultimate object transformer. (Javascript)

Converts OSM data to GeoJSON. (Javascript)

Fast XML to JSON and vice versa javascript/JSON conversion.

XML to JSON and vice versa javascript conversion functions. (Javascript)

JSON compressor and decompressor. (Javascript)

Map nested structures onto PHP classes (PHP)

Sass-powered API. (Sass)

A small library to convert a JSON object into a human readable HTML representation that is easy to style for different purposes.

OS X utility that converts a JSON object to a Foundation object that can be used in Cocoa/Cocoa Touch development. (Swift)

Extract, rename and transform JSON based on a template. (node.js)

String.replace for JavaScript objects. (Javascript)

A better way to load big json config files. (node.js)

allow transformation using a JSON-based transformation language. (node.js)

A recursive, pattern-matching, approach to transforming JSON structures.

Normalizes nested JSON according to a schema. (Javascript)

Tool for populating JSON data with infinitely recursive circular references. Sort of like Falcor, but for plain JSON.

JSON does not handle circular references. Now it does.

JSON transformation library (Java)

JSON to nimn bidirectional converter.

CSS subset to JSON conversion. (node.js)

Query and update data structures using selectors from the command line. Comparable to jq / yq but supports JSON, YAML, TOML and XML with zero runtime dependencies.

A query language for JSON.

Tiny language and engine for selecting specific parts of a JS object, hiding the rest. (Javascript)

The JSON Query Language.

The agile query language for semi-structured data. (Python)

Lightning-fast searches using XPath expressions, and transform using XSL. (Javascript)

CSS-like selectors. (Javascript)

XPath implementation. (Javascript/PHP)

A library for filtering based on a json SQL-like language.

Transparent references in JSON.

Query and transformation language used in Node-RED, supports function expressions.

JSON Schema Based Editor. (jQuery)

Generate forms. (AngularJS)

An AngularJS directive for rendering JSON Schema in HTML (AngularJS)

Angular directive for making forms out of JSON Schema. (AngularJS)

Generates JSON Schema driven forms on top of Bootstrap, jQuery Mobile, jQuery UI and HTML (jQuery)

Tools and doc generation for HTTP APIs.

Effortlessly convert your JSON Object to JSON Schema, Mongoose Schema, or a Generic template for quick documentation / upstart.

Documentation for your types.

A textual format for describing JSON compiled into JSONSchema.

Generates Java types and annotates those types for data-binding with Jackson 1.x or 2.x, Gson, etc.

Build tool for generating HTML documentation.

Fake your schemas.

Gets you a JSON Schema from PostgreSQL or SQLite3.

JSON Schema generator from JSON object.

A new way of describing object schemas in JavaScript. It has a clean and simple syntax, and it is capable of serializing to/from the popular JSON Schema format.

A tool for validating data using JSON Schema and converting JSON Schema documents into different data-interchange formats.

Parse, resolve, and dereference JSON Schema $ref pointers

A website aiming to provide more accessible documentation for JSON schema.

A collection of popular schemas.

a Book and GitHub project, showing how JSON Schema can be used for a variety of tasks and in different programming contexts.

A curated list of awesome JSON Schema resources, tutorials, tools, and more.

Performance benchmark for Node.js validators.

A validator that uses code generation to be extremely fast.

A validator built for speed.

A blazing fast validator.

JSON Schema Compiled checK.

validator written in JavaScript for NodeJS and Browsers.

Javascript Library for Schema Validation.

Flexible request validator middleware for express and connect.

Tiny Validator.

The fastest validator. Supports v5/6 proposals.

Compliant (draft-04/06/07) and fast streaming validator written in Kotlin

PHP implementation of JSON schema.

A validator for JSON Schema Draft 4.

Python implementation of jsonschema.

Programmatic building of JSON schemas (recursive field mappings) with validation, a Django JSON Field, and native PostgreSQL JSON type constraints.

validating against a JSON schema conforming to JSON Schema Draft 4.