Explore large JSON as a collapsible tree in your browser. Search keys and values; nothing is uploaded.
FeedbackOur online JSON Viewer allows you to visualize and navigate complex JSON data structures easily. It provides a tree view, syntax highlighting, and collapsible elements to make reading raw JSON data straightforward.
Paste or type your JSON into the input editor.
Format it for a clean, readable layout.
Expand and collapse nested objects and arrays to explore the structure.
Copy or download the formatted output when you are done.
Raw JSON from an API is often one long line that is painful to read. A viewer gives it structure, syntax highlighting, and collapsible nodes so you can navigate even deeply nested data with ease.
Collapsible nodes let you drill into deep structures without losing your place.
Syntax highlighting separates keys, values, and types so data is easy to read.
Your JSON is rendered locally in the browser and never sent anywhere.
Format, validate and minify JSON in your browser. Paste, prettify, copy: nothing is uploaded.
Validate JSON and jump to the exact line and column of each error, locally in your browser.
See the differences between two JSON documents side by side, computed locally in your browser.