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JSON & data

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JSON Viewer JSON Sort JSON Escaper JSON Editor

Transform

JSON Flatten JSON Patch

JSON Merge Patch

Validate & query

JSON Schema Validator JSON Schema Generator

JSONPath Tester JSON Size Analyzer JSON Linter JMESPath Tester

Convert

JSON to YAML JSON to TOML JSON to SQL JSON to .env JSON to PHP Array JS Object to JSON MessagePack Converter JSON to TOON JSON to CSV, YAML, XML & More

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JSON to Java, Kotlin and C#JSON to PHP Classes

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Changelog Attributions

© 2026 Daniel Chen

PrismKit

JSON

JSON Editor

JSON Editor

Runs in your browserLocal

Edit JSON as a tree or as text, kept in sync, with undo, redo and validation.

JSON Escaper

Escape text into a JSON string literal, unescape it back, or stringify JSON inside a string.

JSON Flatten

Flatten nested JSON into dot and bracket paths, or unflatten it back.