
Description: JSONLint is a lightweight web tool and API for validating JSON data. It checks for syntax errors and validates against schemas. Useful for checking JSON configs, API payloads, and debugging issues with JSON serialization.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tool Slick JSON Formatter is a free online JSON formatting and validation tool. It allows you to easily format, validate, and preview JSON data. The tool has options for formatting, changing case, and collapsing sections of JSON.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API