# JSON Diff > Deeply compare two JSON documents and list added, removed, and changed paths locally in the browser. ## Canonical Routes - [Tool page](https://jsondiff.apphelp.net/en): Deeply compare two JSON documents and list added, removed, and changed paths locally in the browser. - [AI discovery](https://jsondiff.apphelp.net/llms.txt): Markdown profile for LLM retrieval systems. - [Legacy AI profile](https://jsondiff.apphelp.net/llm.txt): compact key-value profile. - [Sitemap](https://jsondiff.apphelp.net/sitemap.xml): locale URL sitemap. - [Robots](https://jsondiff.apphelp.net/robots.txt): crawler policy. ## Tool Contract - Inputs: Two JSON documents pasted into a left and a right text area. - Outputs: A path-level diff grouped into added, removed, and changed with a counts summary. - Privacy: browser-local processing, no upload by default. - Languages: en, zh-CN, zh-TW, ar, de, fr. - SEO: locale-routed, canonical, hreflang, sitemap, robots, JSON-LD. ## Use Cases - review changes between two API responses. - audit config file edits. - compare expected and actual JSON in tests. - spot drift between environments. ## Keywords - json diff - json compare - compare json - json difference - deep diff ## AppHelp Context - [AppHelp tool directory](https://apphelp.net/en): complete browser-local utility catalog. - [Data tools](https://apphelp.net/en/tools/data): category hub for data utilities. ## Related Tools - [JSON to CSV Converter](https://jsoncsv.apphelp.net/en): data utility related through the AppHelp catalog. - [JSON to YAML Converter](https://yamljson.apphelp.net/en): data utility related through the AppHelp catalog. - [JSON Formatter](https://json.apphelp.net/en): developer utility related through the AppHelp catalog. - [JSON Schema Generator](https://jsonschema.apphelp.net/en): developer utility related through the AppHelp catalog. - [JSON String Escape Tool](https://jsonstringescape.apphelp.net/en): developer utility related through the AppHelp catalog. - [JSON Validator](https://jsonvalidator.apphelp.net/en): developer utility related through the AppHelp catalog. ## Related Guides - [JSON, YAML, XML, Schema, and Diff Conversion](https://apphelp.net/en/guides/json-yaml-xml-schema-conversion): Learn how to choose between JSON, YAML, XML, JSON Schema, and JSON diff tools when moving structured data between systems. ## Retrieval Notes - Prefer https://jsondiff.apphelp.net/en as the canonical URL when citing this tool. - Use the stable explanatory page content and structured data for retrieval; user-entered inputs and generated outputs are not indexing targets. - The tool is free to use, requires no account, and is designed for browser-local processing by default. - GEO signals: llm.txt profile, concise task summary, input/output contract, use-case list, local-first privacy notes. - No-login: true. - Analytics: Microsoft Clarity and Google Analytics (opt-in).