JSPM

JSON, JSONC and JSON5 parser for use with ESLint plugins

Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers

Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers

JSON Parser

Streaming CSV parser that aims for maximum speed as well as compatibility with the csv-spectrum test suite

HCL v2 parser for JavaScript

Lightweight, streamed JSON parser in 748 bytes

Swagger 2.0 and OpenAPI 3.x parser and validator for Node and browsers

JSON AST parser

GYP file format parser in JS

JSON AST parser, tokenizer, printer, traverser.

An absurdly small JSONC parser.

a body parser for Koa

A fast and lightweight streaming JSON-LD parser

This is a JSON streaming parser for node.js. It will handle the Entity Data Model (EDM) types to be compatitable with odata.

Fully working version of HCL <> JSON parser for Javascript.

HCL v2 parser for JavaScript

Front-matter parser.

A tool concentrating on converting csv data to JSON with customised parser supporting

Validate XML, Parse XML, Build XML without C/C++ based libraries

Simple XML body parser connect/express middleware

Simple dependency-free TSV and CSV converter/parser

A simple JSON parser that supports comments and optional trailing commas.

A JSON parser that can parse incomplete JSON strings.

A Koa body parser middleware. Supports multipart, urlencoded and JSON request bodies.

SAX based evented streaming JSON parser in JavaScript (browser and node)

HTML to JSON parser

A permissive parser for dirty JSON data that does its best

Parser and schema for CloudFormation YAML template tags.

JSON/CJSON/JSON5 parser, syntax and schema validator and pretty-printer.

Promise based JSON parser. Handles invalid JSON data gracefully.

A pure Javascript implemented parser for Python pickle format

Standalone JavaScript YAML 1.2 Parser & Encoder. Works under node.js and all major browsers. Also brings command line YAML/JSON conversion tools.

Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers

RSS/Atom/JSON feed parser

Parse, Resolve, and Dereference JSON Schema $ref pointers

A JSON stream parser

Transforming XML to JSON using Node.js binding to native pugixml parser library

A dynamic JSON parser that isn't strict and can be customized.

Request body parser used by AdonisJS. Forked from co-body

Type-aware JSON serializer/parser

JSON parser / stringifier fallback

Asynchronous ical to JSON parser

JSON parser and stringifier for custom numbers (e.g. BigInt)

A lightweight JSON with Comments parser.

Type-aware JSON serializer/parser

🤠 Parser for object property paths with wildcards and regexps 🌵

micro body parser

Node object to hl7 parser

Parser for JSON based Firebase rules files

Swagger 2.0 and OpenAPI 3.0/3.1 parser and validator for Node and browsers

Fast CSV parser that can batch events, reduce on rows, and no dependencies

NPM Audit parser for GitLab dependency scanning

A small and fast CSV parser with support for nested JSON

A JSON parser using OmetaJS

Parse incomplete json text in best-effort manner

Compose a envfile string from an object, per the motdotla/dotenv parser specifications

Highly performant xml parser

NACHA ACH EFT File Parser/Formatter for CCD+ / PPD+ / CTX+

A parser for VC JSON Schemas compliant credentials

fromXML - Pure JavaScript XML Parser

Parse, Resolve, and Dereference JSON Schema $ref pointers

express body-parser json middleware error handler

nodeJS express server tiny body parser for json type only 320Byte.

HTML to JSON parser

Simple XML to JavaScript object converter.

A streaming JSON parser/stringifier using web streams.

Parse, Resolve, and Dereference JSON Schema $ref pointers

parser-cache compatible YAML parser, using js-yaml.

Parse, Resolve, and Dereference JSON Schema $ref pointers

JSON parser AST utilities

A dynamic JSON parser that isn't strict and can be customized.

JSON parser AST utilities

OpenAIR format parser. Parses openAIR formatted string and outputs it in JSON or GeoJSON.

Parses JSON-LD contexts

a very loose yet safe json parser

[](https://www.npmjs.com/package/parser-query) [](https://github.com/parser-queryjs/parser-qu

Lossless JSON-to-AST Parser and AST-to-JSON Generator

perfect dxf parser

AWS Kinesis event parser and handler for Lambda consumers

json-schema-ref-parser fork excluding Node.js modules

This package parses output blocks of editorjs to html

Enterprise-grade OpenAPI/Swagger specification parser for Model Context Protocol (MCP) projects

The missing CLI for the JSON Schema $Ref Parser

JSON/CJSON/JSON5 parser, syntax and schema validator and pretty-printer.

A robust, fault-tolerant JSON parser engineered specifically for handling malformed JSON output from AI systems and language models. Supports Chinese punctuation and international characters.

Check Any file with ESLint

Simple XML body parser connect/express middleware

`json-schema-ref-parser` for `webpack`

This library converts HTML to JSON or JSON to HTML tree

parser json string (with comments) into json, stringify json to string(with comments)

Parser for nested JSON

HanSON is JSON with multiline strings and comments. Includes parser and converter.

Parse, Resolve, and Dereference JSON Schema $ref pointers

Fast and light parser for TOML 0.5, an alternative to JSON or YAML file formats.

Intelligent CSV parser created and made for nodeJS. Which takes a csv file and produce an array from it.

JSON parser

stream-json is the micro-library of Node.js stream components for creating custom JSON processing pipelines with a minimal memory footprint. It can parse JSON files far exceeding available memory streaming individual primitives using a SAX-inspired API. I

A small directory tree parser

JSON query parser for URL query strings to complex JSON objects and vice versa

Full-featured [koa][] body parser! Support parsing text, buffer, json, json patch, json api, csp-report, multipart, form and urlencoded bodies. Works for koa@1, koa@2 and will work for koa@3.

Minimal function suitable for passing to JSON.parse to revive common date-time strings into Date objects

A tiny and fast CSV parser for JavaScript.

Streaming configurably terminated (simple) JSON parser

A simple JSON parser designed to handle malformed JSON from Large Language Models

Simple HTML to JSON parser use Regexp and String.indexOf

JSON stringify/parser managing 'undefined, Date and Buffer.

Extract text from PPTX files as string or JSON.

Streaming JSON parser that handles fragmented data and emits full JSON objects when complete.

command line json parser like jq

Resolve OpenAPI Refs and/or convert Swagger 2.0 to OpenAPI

Date parsing extensions for the JavaScript JSON parser to provide moment objects directly from JSON.parse()

Parses Powerpoint (PPTX) to Standardized JSON Objects

ADV parser

A JSON parser that can parse incomplete JSON strings.

Convert JSON to CSV

JSON Schema parser and validator

Provides a cli interface to the json-schema-ref-parser library

JSON parser/stringifier that supports functions and regexp

A minimal and fast CSV parser for Node.js or a web browser, without any dependencies.

A TBJSON parser and serializer.

Event source message parser.

Simple XML to JavaScript object converter.

Simple XML body parser connect/express middleware

Read and modify JSONC documents. A CLI front-end for the jsonc-parser npm package

Performant parser for textual data (CSV parser)

Pure Javascript JSON to CSV converter.

This plugin allows the [Jsonic](https://jsonic.senecajs.org) JSON parser to support csv syntax.

Convert nginx conf strings to JSON and back!

An optimised Jsonpath parser

Simple and secure newline delimited JSON stream parser

A config parser you can use in your apps. It supports hot-reloading, yaml, ini, toml, xml, json and jsonc. Also supports custom parsers

Fork of json-schema-faker using a custom json-schema-ref-parser

a set of utilities to work with JSON / JSON5 documents

Streaming (optionally) newline/whitespace delimited JSON parser

Zero-dependency typed command-line argument parser

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

This plugin allows the [Jsonic](https://jsonic.senecajs.org) JSON parser to support directive syntax.

Parse, Resolve, and Dereference JSON Schema $ref pointers

A pull-streams ndjson parser and serializer, inspired by and compatible with [ndjson](https://www.npmjs.com/package/ndjson).

XML to JavaScript parser using XML Schema to guide conversion.

A lightweight, zero-dependency XML parser for TypeScript/JavaScript that converts XML strings to JavaScript objects and vice versa.

Very simple json config parser

request body parsing for co

YAML, TOML, JSON, JSON5, INI, CSV, ES Module, CommonJS data loader, parser and stringifier

An example parser implementation for Literal JSX using nearley.js + moo

This plugin allows the [Jsonic](https://jsonic.senecajs.org) JSON parser to support expression syntax.

A JSON polyfill for older JavaScript platforms.

Tolerant JSON parser

RCF 6901 implementation of JSON Pointer

This plugin allows the [Jsonic](https://jsonic.senecajs.org) JSON parser to determine the path to values.

🎨 A body parser for node, koa, koa2, express. support json, form, text, multipart and stream type body.

json2csv built-in formatters. A formatter is a function that receives the raw js value of a given type and formats it as a valid CSV cell.

Parses the GitHub contributions calendar SVG code into JSON.

A Koa2-Based Web Server With Essential Middleware, Including Sessions, File Upload, Body Parser, CSRF Protection, Logging, Compression, Static Files And Router.

Oboe.js reads json, giving you the objects as they are found without waiting for the stream to finish

Parse, Resolve, and Dereference JSON Schema $ref pointers

Node.js Transform and Async interface to convert JSON into CSV.

Grammar representation and parser for USFM language using tree-sitter

Unified XML Referring JSON Parser - Solve LLM JSON generation errors by separating complex content from JSON structure

A bidirectional NVP/JSON parser for use with PayPal NVP APIs.

An algebraic expression parser for stream logic filters

Converts JSON schema objects into Zod schemas

Parser TAP in JSON format

A clarinet based json parser that can be used to parse JSON objects with duplicate keys

Streaming JSON parser for browser and Node

Just another custom JSON AST parser, but this time with position/range types compatible with monaco's API

Validate XML or Parse XML to JS/JSON very fast without C/C++ based libraries

Parse and generate RS-delimited JSON sequences according to draft-ietf-json-text-sequence

Validate XML or Parse XML to JS/JSON very fast without C/C++ based libraries

A JSX parser to converts to JSON

Library that generates Typescript clients based on the OpenAPI specification.

html to json parser work for weapp rich-text

Parse a set of environment variables as a JSON object

A TypeScript library that converts JSON-based query specifications into safe SQL queries

Parser for the Bring file format - modern configuration and package management for JavaScript/TypeScript

A robust SVG to JSON parser built with TypeScript

ESLint plugin for JSON, JSONC and JSON5 files.

Reflib parser for JSON files

A simple TSV parser for Node.js

The Just-Good-Enough XML Toolkit

Free form parser for simple writing / parsing of customized formats.

Simple XML to JavaScript object converter that uses Expat, a fast XML parser.

Tiny JSON parser for your CSP aware script tags

NACHA ACH EFT File Parser/Editor/Formatter for CCD+ / PPD+ / CTX+

WHATWG Transform and Async interface to convert JSON into CSV.

A JSON Parser for node http server

Converts json object whick has key written in dot notation to plain json object

Streaming CSV parser that aims for maximum speed as well as compatibility with the csv-spectrum test suite

A Koa body parser middleware. Supports multipart, urlencoded and JSON request bodies.

JSON Utilities such as safe JSON parser and pretty JSON stringifier.

A JavaScript library that parses BibTeX to JSON

Parse wavefront .obj files into json

A tool concentrating on converting csv data to JSON with customised parser supporting

NID (Native Interface Definition) is a portable C/C++ API description format that parses into JSON format for convenient bindings generation

parse and stringfy nested JSON to readable URL query string

rawStream.pipe(JSONStream.parse()).pipe(streamOfObjects)

Parse Apple Music Library XML to JSON, JS, ES, or M3U

MASON parser

JSON.minify() minifies blocks of JSON-like content into valid JSON by removing all whitespace *and* comments.

Protobuf text format to JSON parser.

json2csv built-in transforms. A transform is a function that receives a data recod and returns a transformed record. Transforms are executed in order before converting the data record into a CSV row.

An alternative XML node based on fast-xml-parser as opposed to xml2js that's used in the built-in XML node. Designed for performance with larger datasets as well as adding additional customizability.

Highly performant xml parser

Query Strings Parser ========================= [![License][license-image]][license-url] [![NPM Version][npm-image]][npm-url] [![NPM Downloads][downloads-image]][npm-url] [![Travis][travis-image]][travis-url] [![Coverage][coverage-image]][coverage-url]

The fastest and lightest parser for TOML and ION files, an alternative to JSON or YAML file formats.

Allows parsing of PAGASA TCB PDF files into pagasa-parser Bulletins.

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

The jsonmvc schema parser

Parse and stringify JSON with comments. It will retain comments even after saved!

A TypeScript object notation parser with support for comments and trailing commas.

Creates a TyphoonWarningsTable based on a pagasa-parser Bulletin.

XML JSON HTML parser for browser from IE6+

Helper functions shared among the jison repositories (jison, ebnf-parser, lex-parser, jison-lex)

A parser for the mmCIF molecule format

A simple parser for command line arguments (process.argv[])

A streaming JSON parser for efficient parsing of large JSON objects, with the ability to emit partial objects as they are parsed. Contributed by [www.hubeet.com](https://www.hubeet.com)

Build complex rules, serialize them as JSON, and execute them in JavaScript

FORKED! JSON/CJSON/JSON5 parser, syntax and schema validator and pretty-printer.

Converts a RAML data type into JSON schema, and back

A convertor between XML text and Javascript object / JSON text.

Parses JavaScript objects into XML

csv to json & json to csv parser

Parse any type of command line/cmd/shell stdout into Javascrpt Object, JSON or XML

Parser for xls or xlsx spreadsheet

Useful functions when working with JSON.

A simple node module to parse an RSS feed from a URL

A robust PDF resume parser for Node.js

Converts JSON schema objects or files into Zod schemas

Node.js body parsing middleware

NDJSON parser + serializer using web streams

A collection of essential TypeScript types

WMS service Capabilities > JSON, based on openlayers

CSV parser, compatible with [parser-cache].

Converting csv data into array of JavaScript objects. This module can group input data.

HTML to JSON parser

JavaScript npm module that finds JSON-like text within a string and then parses it on best effort basis

Recursively resolve JSON pointers and remote authorities.

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

A tool concentrating on converting csv data to JSON with customised parser supporting. Fork of the project adding row index to colParser.

JSON front-matter parser and combiner. Minimal and perfect

JSON for Humans

Parse JSON with more helpful errors

Universal feed parser - RSS1/2, Atom, JSON, HTML

A simple yet powerful module to parse any file.

Strip comments from JSON. Lets you use comments in your JSON files!

JSON linting plugin for ESLint

deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify

A JavaScript text diff implementation.

Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible