{ } JSON Tools for Developers

Fast, free & privacy-friendly JSON tools. All processing happens in your browser — nothing is uploaded to servers.

JSON Formatter

Beautify and pretty-print your JSON with customizable indentation.

formatter

JSON Validator

Check if your JSON is valid and get detailed error messages.

validator

JSON Viewer

View and explore JSON data in a readable tree structure.

viewer

JSON Minifier

Compress JSON by removing whitespace to reduce file size.

formatter

JSON Diff Checker

Compare two JSON objects and see the differences.

compare

JSON to YAML

Convert JSON data to YAML format for configuration files.

converter

YAML to JSON

Convert YAML configuration files to JSON format.

converter

JSON to CSV

Transform JSON arrays into CSV spreadsheets.

converter

CSV to JSON

Convert CSV data into structured JSON format.

converter

JSON to XML

Convert JSON data to XML format for SOAP APIs and legacy systems.

converter

XML to JSON

Convert XML documents into structured JSON format.

converter

JSON to TOML

Convert JSON to TOML format for Rust and Python project configs.

converter

TOML to JSON

Convert TOML configuration files to JSON format.

converter

JSON to INI

Convert JSON data to INI configuration format.

converter

INI to JSON

Convert INI configuration files to JSON format.

converter

JSON to Properties

Convert JSON to Java .properties format.

converter

Properties to JSON

Convert Java .properties files to JSON format.

converter

JSON to TSV

Transform JSON arrays into tab-separated values.

converter

TSV to JSON

Convert tab-separated values to structured JSON format.

converter

JSON to HTML Table

Convert JSON data to an HTML table.

converter

HTML Table to JSON

Convert HTML tables to structured JSON format.

converter

JSON to Markdown Table

Convert JSON data to a Markdown table.

converter

Markdown Table to JSON

Convert Markdown tables to structured JSON format.

converter

JSON to Plain Text

Flatten JSON objects into plain key: value text.

converter

Plain Text to JSON

Convert key: value text back into JSON format.

converter

JSON to TypeScript

Generate TypeScript interfaces from JSON samples.

converter

JSON to Python

Generate Python dataclasses from JSON samples.

converter

JSON to Go

Generate Go structs with JSON tags from JSON samples.

converter

JSON to Java

Generate Java POJO classes from JSON samples.

converter

JSON to C#

Generate C# classes with JSON attributes from JSON samples.

converter

JSON to PHP Array

Convert JSON to PHP array syntax.

converter

JSON to PHP Class

Generate PHP classes with getters/setters from JSON.

converter

JSON to Kotlin

Generate Kotlin data classes from JSON samples.

converter

JSON to Swift

Generate Swift Codable structs from JSON samples.

converter

JSON to Dart

Generate Dart model classes from JSON samples.

converter

JSON to Rust

Generate Rust structs with Serde attributes from JSON.

converter

JSON to Scala

Generate Scala case classes with Play JSON from JSON.

converter

JSON to Ruby

Convert JSON to Ruby hash syntax.

converter

JSON to Perl

Convert JSON to Perl data structure syntax.

converter

JSON to Lua

Convert JSON to Lua table syntax.

converter

JSON to R

Convert JSON to R list syntax.

converter

JSON to MATLAB

Convert JSON to MATLAB struct syntax.

converter

TypeScript Interface to JSON

Generate sample JSON data from TypeScript interface definitions.

generator

Java Class to JSON

Generate sample JSON data from Java class definitions.

generator

C# Class to JSON

Generate sample JSON data from C# class definitions.

generator

Python Dict to JSON

Convert Python dictionary syntax to JSON format.

generator

Go Struct to JSON

Generate sample JSON data from Go struct definitions.

generator

PHP Array to JSON

Convert PHP array syntax to JSON format.

generator

Kotlin to JSON

Generate sample JSON data from Kotlin data class definitions.

generator

Swift to JSON

Generate sample JSON data from Swift struct definitions.

generator

Dart to JSON

Generate sample JSON data from Dart model class definitions.

generator

Rust Struct to JSON

Generate sample JSON data from Rust struct definitions.

generator

JSON to Base64

Encode JSON data to Base64 format.

converter

Base64 to JSON

Decode Base64 data back to JSON format.

converter

JSON to URL Encoded

Convert JSON objects to URL-encoded format.

converter

URL Encoded to JSON

Convert URL-encoded strings to JSON format.

converter

JSON to Hex

Convert JSON data to hexadecimal string representation.

converter

Hex to JSON

Convert hexadecimal strings back to JSON format.

converter

JSON to Unicode Escape

Convert JSON to Unicode escape sequences.

converter

Unicode Escape to JSON

Convert Unicode escape sequences to readable JSON.

converter

JSON to URL Parameters

Convert JSON objects to URL parameter format.

converter

URL Parameters to JSON

Convert URL parameters back to JSON format.

converter

JSON to Query String

Convert JSON objects to query string format.

converter

Query String to JSON

Parse query strings into JSON format.

converter

JSON to Form Data

Convert JSON objects to URL-encoded form data.

converter

Form Data to JSON

Parse form data back into JSON format.

converter

JSON to JSONP

Convert JSON to JSONP with callback wrapper.

converter

JSONP to JSON

Extract JSON from JSONP callback wrappers.

converter

JSON to JS Object

Convert JSON to JavaScript object literal syntax.

converter

JS Object to JSON

Convert JavaScript object literals to JSON format.

converter

JSON to .env

Convert JSON objects to .env file format.

converter

.env to JSON

Parse .env files back into JSON format.

converter

JSON to Docker Compose

Convert JSON data to Docker Compose YAML.

converter

Docker Compose to JSON

Convert Docker Compose YAML to JSON format.

converter

JSON to Kubernetes

Convert JSON data to Kubernetes manifest YAML.

converter

Kubernetes to JSON

Convert Kubernetes manifest YAML to JSON format.

converter

JSON to Terraform

Convert JSON data to Terraform variables format.

converter

Terraform to JSON

Convert Terraform variables files to JSON format.

converter

JSON to SQL INSERT

Generate SQL INSERT statements from JSON data.

converter

SQL INSERT to JSON

Parse SQL INSERT statements into JSON format.

converter

JSON to MongoDB

Convert JSON data to MongoDB document format.

converter

MongoDB to JSON

Convert MongoDB documents to standard JSON format.

converter

JSON to cURL

Generate cURL commands from JSON request bodies.

converter

cURL to JSON

Extract JSON request bodies from cURL commands.

converter

JSON to Markdown

Convert JSON data to a Markdown code block with syntax highlighting.

converter

Markdown to JSON

Extract JSON data from Markdown code blocks.

converter

Nested JSON to Flat

Flatten deeply nested JSON into dot-notation key-value pairs.

converter

Flat JSON to Nested

Convert dot-notation flat JSON back to nested structure.

converter

JSON to Key-Value

Convert JSON objects to simple key:value pair lines.

converter

Key-Value to JSON

Parse key:value pair lines into structured JSON.

converter

JSON to Schema

Generate a JSON Schema draft-07 from JSON data sample.

converter

Schema to JSON

Generate sample JSON data from a JSON Schema definition.

converter

JSON to NDJSON

Convert a JSON array to newline-delimited JSON format.

converter

NDJSON to JSON

Parse newline-delimited JSON into a JSON array.

converter

JSON to GeoJSON

Convert JSON data with coordinates to GeoJSON FeatureCollection.

converter

GeoJSON to JSON

Extract properties from GeoJSON features to standard JSON.

converter

JSON Escape

Escape a JSON string for use in source code or queries.

converter

JSON Unescape

Unescape a previously escaped JSON string.

converter

JSON Sort Keys

Sort all JSON object keys alphabetically for consistent output.

formatter

JSON Remove Nulls

Remove all null values from JSON objects and arrays.

formatter

JSON Size Calculator

Calculate the byte size, element count, and depth of JSON data.

formatter

JSON Merge

Deep merge two or more JSON objects into one.

converter

JSON Depth Analyzer

Analyze nesting depth, node count, and branching of JSON.

formatter

JSONPath Tester

Test JSONPath expressions against JSON data and see results.

formatter

JSON to Firestore

Convert JSON data to Firestore document format with typed fields.

converter

Firestore to JSON

Convert Firestore document format back to standard JSON.

converter

JSON to GraphQL Schema

Generate GraphQL type definitions from JSON data samples.

converter

GraphQL Schema to JSON

Generate sample JSON data from GraphQL type definitions.

converter

JSON to OpenAPI

Generate OpenAPI 3.0 schema components from JSON samples.

converter

OpenAPI to JSON

Extract sample JSON data from OpenAPI schema definitions.

converter

JSON to Binary

Convert JSON data into binary (0/1) string representation.

converter

Binary to JSON

Convert binary strings back into readable JSON format.

converter

JSON to Mermaid

Generate Mermaid.js flowchart diagrams from JSON structures.

converter

Mermaid to JSON

Parse Mermaid flowchart definitions into JSON format.

converter

JSON to README

Convert JSON data to a structured README document.

converter

README to JSON

Extract JSON data from structured README documents.

converter

JSON Object to Array

Convert JSON objects to arrays of key-value pair objects.

converter

Array to JSON Object

Convert arrays of key-value pairs back to JSON objects.

converter

JSON to Tree View

Generate a visual indented tree view from JSON data.

converter

Tree View to JSON

Parse indented tree view back into structured JSON.

converter

JSON Convert to Object

Transpose array of objects into object of arrays.

converter

JSON Convert to Array

Transpose object of arrays back into array of objects.

converter

JSON Fake Data Generator

Generate realistic fake JSON data from a template schema.

generator

JSON Mock Generator

Generate mock API response data from a type template.

generator

JSON Random Generator

Generate random JSON data with configurable types and depth.

generator

JSON Sample Generator

Generate deterministic sample JSON from a type template.

generator

JSON Statistics

Get detailed statistics about your JSON data structure.

formatter

JSON Key Counter

Count key frequency and type breakdown across all objects.

formatter

JSON String Analyzer

Analyze all string values in JSON for length statistics.

formatter

JSON Filter

Filter JSON to only include specified dot-notation paths.

formatter

JSON Extract

Extract values from JSON using dot-notation path expressions.

formatter

JSON Remove Empty

Remove all empty objects and arrays from JSON.

formatter

JSON Remove Duplicates

Remove duplicate objects from JSON arrays.

formatter

JSON Detect Circular

Detect circular references in JSON data structures.

formatter

JSON Detect Duplicate Keys

Detect duplicate keys within the same object level.

formatter

JSON Rename Keys

Rename JSON object keys using a key mapping definition.

formatter

JSON Normalize

Normalize JSON by sorting keys consistently at all levels.

formatter

JSON Custom Stringify

Stringify JSON with configurable indentation and sorting.

formatter

JSON to Inline

Convert JSON to a single-line or custom-indented inline format.

formatter

JSON Sort Arrays

Sort array elements (strings and numbers) within JSON.

formatter

JSON Merge Patch

Apply RFC 7396 JSON Merge Patch to a target JSON object.

converter

JSON Split

Split a JSON array into smaller chunks of configurable size.

formatter

JSON Pointer Tester

Test RFC 6901 JSON Pointer expressions against JSON data.

formatter

JSON to PostgreSQL

Generate PostgreSQL CREATE TABLE and INSERT statements from JSON.

converter

PostgreSQL to JSON

Parse PostgreSQL INSERT statements back into JSON format.

converter

JSON to MySQL

Generate MySQL CREATE TABLE and INSERT statements from JSON.

converter

MySQL to JSON

Parse MySQL INSERT statements back into JSON format.

converter

JSON to SQLite

Generate SQLite CREATE TABLE and INSERT statements from JSON.

converter

SQLite to JSON

Parse SQLite INSERT statements back into JSON format.

converter

JSON to SQL Server

Generate SQL Server CREATE TABLE and INSERT statements from JSON.

converter

SQL Server to JSON

Parse SQL Server INSERT statements back into JSON format.

converter

JSON to Oracle

Generate Oracle SQL CREATE TABLE and INSERT statements from JSON.

converter

Oracle to JSON

Parse Oracle SQL INSERT statements back into JSON format.

converter

JSON to Postman

Generate Postman Collection v2.1 from JSON request definitions.

converter

Postman to JSON

Extract request definitions from Postman Collection JSON.

converter

JSON to BSON

Convert JSON to MongoDB extended JSON (BSON) format.

converter

BSON to JSON

Convert MongoDB extended JSON (BSON) back to standard JSON.

converter

JSON to Graphviz

Generate Graphviz DOT graph from JSON data structure.

converter

Graphviz to JSON

Parse Graphviz DOT format back into JSON structure.

converter

JSONC to JSON

Strip comments from JSONC (JSON with Comments) to produce valid JSON.

converter

JSON to JSONC

Add inline comments to JSON keys to create JSONC format.

converter

JSON Encrypt

Encrypt JSON data with XOR cipher + Base64 encoding.

converter

JSON Decrypt

Decrypt previously encrypted JSON data back to readable format.

converter

JSON Mask Data

Mask sensitive fields in JSON (passwords, tokens, emails, SSN).

formatter

JSON Linter

Lint JSON for style issues, duplicate keys, and naming conventions.

formatter

JSON Repair

Attempt to repair invalid JSON by fixing quotes, trailing commas, and comments.

formatter

JSON Search

Search within JSON data for matching values and keys.

formatter

JSON Type Detector

Detect and report field types across all objects in JSON.

formatter

JSON Compare

Compare two JSON objects to find added, removed, and changed fields.

compare

JSON Schema Validator

Validate JSON data against a JSON Schema (draft-07).

validator

JSON Case Converter

Convert JSON key casing between camelCase, snake_case, kebab-case, PascalCase.

formatter

JSON Date Formatter

Convert date strings in JSON between ISO, locale, Unix, and UTC formats.

formatter

JSON Schema to TypeScript

Generate TypeScript interfaces from JSON data samples.

converter

JSON Copy

Format and copy JSON data to your clipboard with one click.

formatter

JSON Download

Format and download JSON data as a .json file.

formatter

JSON Upload

Upload a .json file and view or process its contents instantly.

formatter

JSON File Viewer

Open and view any .json file in a readable tree format.

viewer

JSON Clipboard Viewer

View and explore JSON data pasted from your clipboard.

viewer

JSON Explorer

Interactively explore JSON data with expandable tree view.

viewer

JSON Expand

Expand minified JSON to a beautifully formatted tree view.

formatter

JSON Collapse

Collapse formatted JSON to a compact single-line format.

formatter

JSON Extract Objects

Extract all object nodes from JSON data into a flat list.

formatter

JSON Extract Arrays

Extract all array nodes from JSON data into a flat list.

formatter

JSON Denormalize

Randomize key order in JSON objects to denormalize the structure.

formatter

JSON Pointer Generator

Generate RFC 6901 JSON Pointers for every node in your JSON.

formatter

JSON Compress (Deflate)

Compress JSON data using Deflate algorithm and output Base64.

formatter

JSON Decompress (Inflate)

Decompress previously Deflate-compressed JSON from Base64.

formatter

JSON Gzip

Gzip-compress JSON data and output Base64-encoded result.

formatter

JSON Gunzip

Decompress Gzip-compressed JSON from Base64 back to readable text.

formatter

JSON Version Diff

Compare two versions of JSON data side by side with change tracking.

compare

JSON Patch Generator

Generate RFC 6902 JSON Patch operations between two JSON objects.

converter

JSON Patch Validator

Validate RFC 6902 JSON Patch operation lists for correctness.

validator

JSON to Excel (XLSX)

Convert JSON data to a downloadable Excel XLSX spreadsheet.

converter

Excel (XLSX) to JSON

Convert Excel XLSX files back into structured JSON format.

converter

JSON URL Viewer

Fetch and display JSON data from a remote URL endpoint.

viewer

JSON Merge Files

Merge multiple JSON objects pasted as separate blocks into one.

converter

JSON to QR Code

Generate a QR code image from any JSON data.

converter

JSON to SVG Image

Render JSON data as a syntax-highlighted SVG image.

converter

JSON to PDF

Generate a downloadable PDF document from JSON data.

converter

JSON Value Analyzer

Analyze value frequency and distribution across JSON fields.

formatter

JSON Collection Counter

Count field presence, types, and nulls across array items.

formatter

JSON Array Diff

Compare two JSON arrays to find added, removed, and unchanged items.

compare

JSON to Swagger

Generate Swagger 2.0 API definitions from JSON data samples.

converter

Swagger to JSON

Extract sample JSON data from Swagger 2.0 API definitions.

converter

JSON to Word

Convert JSON data to a downloadable Word document format.

converter

Word to JSON

Extract JSON data from Word document content.

converter

PDF to JSON

Extract text content from PDF data and structure it as JSON.

converter

QR Code to JSON

Decode QR code text data back into structured JSON format.

converter

JSON to Barcode

Generate a Code 39 barcode SVG image from your JSON data.

converter

Barcode to JSON

Extract JSON data from barcode text content.

converter

Image to JSON (OCR)

Extract JSON-like data structures from recognized text content.

converter

JSON to Python Dict

Generate Python dictionary literal syntax from JSON samples.

converter

Fake Data to JSON

Infer a template schema from JSON data for regeneration.

generator

JSON Slice

Extract a sub-array slice from JSON arrays by start and end indices.

formatter

Extract Keys

Extract all unique object keys from JSON data.

formatter

Extract Values

Extract all values from JSON data with unique count.

formatter

Extract Nested Objects

Extract all nested objects from JSON into a flat list.

formatter

JSON Array Counter

Count all arrays in JSON and report their sizes and nesting.

formatter

JSON Schema Generator

Generate a JSON Schema (draft-07) from JSON data samples.

generator

Validate Uploaded JSON

Validate JSON data from file uploads with detailed feedback.

validator

Convert JSON File

Process and analyze JSON file contents with size and type info.

converter

JSON Live Preview

Preview JSON data with real-time structure analysis and formatting.

viewer

JSON to Haskell

Generate Haskell data type definitions from JSON data samples.

converter

JSON to Elm

Generate Elm type aliases from JSON data samples.

converter

JSON to OCaml

Generate OCaml type definitions with Yojson deriving from JSON samples.

converter

JSON to Zig

Generate Zig struct definitions with JSON support from JSON data samples.

converter

Array JSON to Object JSON

Transpose an array of objects into an object of arrays.

converter

Object JSON to Array JSON

Transpose an object of arrays back into an array of objects.

converter

JSON Deflate

Compress JSON using the Deflate algorithm to Base64.

formatter

JSON Inflate

Decompress previously Deflate-compressed JSON from Base64.

formatter

Fetch JSON from URL

Fetch and display JSON data from any REST API URL endpoint.

viewer

API JSON Viewer

View and explore JSON responses from REST API endpoints.

viewer

JSON Beautifier

Beautify and format JSON with proper indentation for readability.

formatter

JSON Pretty Print

Pretty-print JSON data with customizable indentation.

formatter

JSON Compact

Compact JSON by removing all whitespace for minimal file size.

formatter

JSON Indenter

Apply custom indentation (spaces or tabs) to your JSON data.

formatter

JSON Syntax Checker

Check JSON syntax and get detailed error messages for invalid input.

validator

JSON Fixer

Fix common JSON errors like trailing commas, missing quotes, and single quotes.

validator

Invalid JSON Repair

Repair malformed JSON by detecting and fixing common syntax issues.

validator

JSON Tree Viewer

Visualize JSON data as an interactive tree structure.

viewer

JSON to Python Dataclass

Generate Python dataclass definitions from JSON data samples.

converter