Inspect JSON Clearly

JSON Tree Viewer Online

Explore nested JSON objects and arrays in a structured tree view. It is useful for API responses, config files, logs, and deeply nested records.

Tree viewNested JSONLocal processing

Why use a JSON tree viewer?

Expand structure

Open and close nested objects so you can focus on the part of the response that matters.

Understand arrays

Review lists of records without getting lost in long formatted text.

Inspect faster

Move between Text, Tree, and Table views depending on whether you need detail, structure, or rows.

How to inspect JSON

Paste JSON

Paste valid JSON into JSON Toolkit.

Open Tree

Choose Tree view to inspect nested keys and values.

Switch views

Use Text for raw formatted output or Table when the JSON contains similar records.

Need to inspect nested JSON?

Open JSON Toolkit and switch the result view to Tree.

Open JSON Tree Viewer Read guide