OLPC JSON canonicalization

Drop-in structured JSON logging for Node.js and the browser. Zero dependencies. Replaces console.log() with single-line JSON output including stack traces, timestamps, and source file tracking. Works with DataDog, Splunk, LogDNA, OpenSearch, CloudWatch, a

JSON schema reference resolver

A JSON schema validator that will run on Cloudflare workers. Supports drafts 4, 7, 2019-09, and 2020-12.

Database Cleaner for node.js

Clean test reporter

Fast implementation of JSON-Patch (RFC-6902) with duplex (observe changes) capabilities

Builds a logical conjunction (AND) of multiple JSON schemas

A module for reading, writing, and manipulating JSON files

Parse partial JSON generated by LLM

Convert .json files to ES6 modules

This package uses ES2015 decorators to simplify JSON schema creation and use

Deterministic and safely JSON.stringify to quickly serialize JavaScript objects

The best of both `JSON.stringify(obj)` and `JSON.stringify(obj, null, indent)`.

Parse, Resolve, and Dereference JSON Schema $ref pointers

Useful functions when working with JSON.

Another JSON Schema Validator

Big-friendly JSON. Asynchronous streaming functions for large JSON data sets.

A micro-library of stream components for building custom JSON and JSONC processing pipelines with a minimal memory footprint — parse, filter, and transform JSON far larger than available memory with a SAX-inspired token API, on Node.js or Web Streams.

A public domain JSON Schema validator for JavaScript