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Developer Utilities Suite

JSON All-In-One Tools

An elite, unified collection of 43 browser-based utilities to parse, validate, format, query, and transform JSON data. Everything runs completely client-side in your browser for absolute security and data privacy.

Total Tools

Validate & Format

Check syntax, format, and clean up your JSON

JSON Validator

Validate and format JSON with error highlighting.

JSON Repair

Auto-fix broken JSON from LLMs and copy-paste.

Error Analyzer

Understand errors with detailed explanations.

Pretty Print

Format JSON with customizable indentation.

Minify

Compress JSON by removing whitespace.

Sort Keys

Alphabetically sort object keys.

Escape

Escape JSON for embedding in strings.

Unescape

Unescape stringified JSON.

Stringify

Convert to escaped string format.

View & Query

Explore and extract data from JSON

Tree Viewer

Interactive collapsible tree visualization.

Table Viewer

Display arrays as sortable tables.

JSON Diff

Compare two JSON objects side-by-side.

JSON Path

Query data using JSONPath expressions.

JSON Search

Find keys and values with text search.

Size Analyzer

Analyze JSON size, depth, and structure.

Flatten

Convert nested JSON to dot notation.

Data Converters

Convert between JSON and other formats

JSON to CSV

Convert JSON arrays to CSV format.

CSV to JSON

Parse CSV files into JSON.

JSON to Excel

Export JSON to Excel spreadsheet.

Excel to JSON

Import Excel data as JSON.

JSON to YAML

Convert JSON to YAML format.

YAML to JSON

Parse YAML into JSON.

JSON to XML

Transform JSON to XML.

XML to JSON

Parse XML into JSON structure.

JSON to SQL

Generate SQL INSERT statements.

SQL to JSON

Convert SQL tables to JSON.

JSON to Markdown

Generate Markdown tables from JSON.

Code Generators

Generate type definitions and classes from JSON

JSON to TypeScript

Generate TypeScript interfaces.

JSON to Python

Generate Python dataclasses.

JSON to Java

Generate Java POJO classes.

JSON to C#

Generate C# classes.

JSON to Go

Generate Go structs.

JSON to Kotlin

Generate Kotlin data classes.

JSON to Swift

Generate Swift Codable structs.

JSON to Rust

Generate Rust structs with serde.

JSON to PHP

Generate PHP classes.

Schema Tools

Validate and generate JSON Schema

Schema Validator

Validate JSON against JSON Schema.

Schema Generator

Auto-generate schema from data.

Encoding Tools

Encode and decode JSON data

Base64 Encode/Decode

Encode or decode JSON as Base64.

JWT Decoder

Decode and inspect JWT tokens.

JSONC to JSON

Strip comments from JSONC/JSON5 files.

Token Counter

Count tokens for GPT-4, Claude, and other LLMs.