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JSON Visualizer

Turn JSON into an interactive node diagram — collapse branches, zoom, and export as SVG or PNG. It all runs in your browser; nothing is uploaded.

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id: "usr_1"name: "Ada"0: "admin"1: "dev"roles [2]−active: trueuser {4}−id: 1042total: 129.9sku: "A1"qty: 20 {2}−sku: "B2"qty: 11 {2}−items [2]−order {3}−createdAt: "2026-01-01"flagged: nullmeta {2}−{3}−

Click a node to collapse or expand its branch. Everything renders locally — nothing is uploaded.

Runs in your browser. Your input is not uploaded to PayloadIQ.

See the shape of your data

Paste a payload and PayloadIQ lays it out as a left-to-right graph of connected nodes — objects, arrays and values — so the structure of an unfamiliar or deeply nested response is obvious at a glance. Click any branch to collapse it and keep the picture readable.

Export it, privately

Download the diagram as a crisp SVG or a 2× PNG to drop into a PR, doc or slide. Unlike most online visualizers, the rendering and export happen entirely on your machine — nothing is uploaded. Need to query the data instead? Try the JSONPath Explorer.

FAQ

Is my JSON uploaded to visualize it?
No. The diagram is laid out and drawn entirely in your browser with SVG — your data never leaves your device, so it's safe for private payloads.
Can I collapse parts of the graph?
Yes. Click any object or array node to collapse or expand its branch, so you can focus on the part of the structure you care about. Use Expand all to reset.
Can I export the diagram?
Yes — download it as a vector SVG (perfect for docs and slides) or a high-resolution PNG. Both are generated locally from the rendered graph.
How big a payload can it handle?
It draws smoothly up to ~1,500 nodes. For larger documents, collapse branches first or use the tree view in the playground.

Related utilities

JSON Playground (tree view)JSON Formatter / ValidatorJSONPath Explorer
Open PayloadIQ Playground →