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JSON Tree Viewer — free online JSON tool

About JSON Tree Viewer
Explore JSON as an interactive, collapsible tree. Expand and collapse nodes to navigate deeply nested data, edit values in place, and see the path to any node — far easier than scrolling through raw text.
Frequently asked questions

What is a JSON tree viewer?

It displays JSON as a hierarchy of expandable nodes instead of raw text, so you can drill into nested objects and arrays by clicking rather than scrolling.

Can I edit values in the tree?

Yes — click a value to edit it inline, and the change is reflected back in the underlying JSON.

Is there a limit on file size?

There is no hard limit. The tree view is optimized for large documents and runs entirely in your browser.