[songwenlei]

Affiliation: I am submitting this on behalf of BestJSON.

Description

Adds one tool for comparing saved JSON API responses. The existing API clients send requests, and JSON Viewer formats responses; this tool highlights structural changes between two saved payloads, with positional, unordered and record-ID array comparison modes.

Resource: https://bestjson.com/json-diff

Type of change

• Add a new resource
• Update an existing resource
• Fix formatting/typos
• Improve categorization

Checklist

• I have read contributing.md.
• My change is specifically relevant to developer essentials.
• I used the format [Name](URL) - Description. for list entries.
• I checked for duplicate entries.
• Descriptions are concise, objective, and end with a period.
• I verified links are valid and not broken.
• I used canonical HTTPS URLs without shorteners or tracking parameters.
• I disclosed any affiliation with the added/updated resource.
• This pull request contains a single logical change.

Additional context

The entry is a browser tool for manual response comparison; no extension installation is needed.

The public sample was checked in an automated browser session: it showed two structural changes, including the record count changing from 2481 to 2482. The tool is free, requires no signup, and states that processing happens in the browser.

[nimrodkra]

Thanks for the submission. We prefer to avoid single-purpose web utilities, and the list already covers JSON tooling, so we'll pass on this one.