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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

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JSON Schema Validator JSON Schema Generator

JSONPath Tester JSON Size Analyzer JSON Linter JMESPath Tester

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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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Changelog Attributions

© 2026 Daniel Chen

PrismKit

JSON

JSON Merge Patch

JSON Merge Patch

Runs in your browserLocal

Apply or generate an RFC 7396 merge patch, or deep-merge several JSON documents with a choice of array strategy.

JSON Patch

Apply an RFC 6902 JSON Patch to a document, or generate the patch that turns one document into another.

JSON Diff

Compare two JSON documents and see added, removed, and changed values highlighted side by side.