JSON Viewer

Paste JSON or load a file. Use Viewer for a collapsible tree and Text for raw JSON. Click a node to inspect its properties. Search with GO, Next, and Previous. Nothing is uploaded to the server.

NameValue

Ready. JSON is not saved on the server.

About JSON Viewer

This free online JSON viewer parses any JSON document and renders it as a collapsible tree so you can inspect nested objects, arrays, keys, and values at a glance. Paste raw JSON, load a .json file, or switch to the text tab to edit the source. Beautify with 2, 3, or 4 space indent, minify for production, expand or collapse every branch, and filter the tree as you type. Copy formatted output in one click when you are ready to paste it back into code.

Developers use a JSON viewer to explore API responses, debug configuration files, review package manifests, and check structure before shipping a change. It is useful when a payload is too nested to read in a text editor, when you need to confirm a key exists, or when you want a quick sanity check that the document is valid JSON. QA engineers and technical writers also use it to understand sample responses without writing a script.

The viewer highlights the shape of objects and arrays so large documents stay scannable. Search inside the tree to jump to a field name or value, then collapse deep branches you do not need. If the input is invalid, you get a clear parse error instead of a silent blank page. An example document is one click away when you want to try the interface first.

Parsing happens locally in your browser, so sensitive payloads, customer records, and internal configs never leave your device. There is no upload, no account, and no server log of what you pasted. Use this free JSON tree viewer whenever you need to inspect, format, or browse JSON online with privacy.