JSON Tools – Free in-browser JSON viewer, formatter, and converter

Summary: JSON Tools is a browser-based suite offering over nine utilities including a collapsible JSON viewer, formatter, validator, minifier, diff tool, and converters between JSON and CSV, XML, YAML, or TypeScript. It processes data entirely locally without uploads or accounts, ensuring privacy and fast format conversions.

What it does

It provides a collapsible JSON tree viewer with search and JSONPath copying, syntax validation with error details, whitespace minification, JSON comparison, and format conversion supporting nested structures. All functions run fully in-browser without server interaction.

Who it's for

Developers working with APIs, configurations, or any JSON data who need private, fast, and comprehensive JSON manipulation tools.

Why it matters

It eliminates the need to trust external services by keeping all JSON processing local, addressing privacy concerns and improving workflow efficiency.