JSONView - View JSON in Firefox and Chrome | BenHollis.net

JSONView is a browser extension and web tool for viewing validating and formatting JSON documents making it easier to inspect API responses and data structures in the browser. The extension formats and syntax-highlights JSON directly in the browser tab eliminating the need to copy-paste into external tools. JSONLint provides JSON validation and formatting as a web service for use in development workflows. These lightweight tools are essential utilities for any developer working with JSON APIs and web services.