Visualize a JSON Structure
Create an abstract visualization of a JSON's complexity. Runs entirely in your browser, so your data never leaves your device.
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Output
The result appears here as you type.
How to use Visualize a JSON Structure
- 1. Paste your JSON. Put the JSON document you want to understand visually into the input pane. There are no settings to adjust; the chart builds automatically once the document parses.
- 2. Let it build the chart. Each nesting level becomes a row and each value becomes a block sized and colored by its type, turning the document's shape into something you can scan at a glance.
- 3. Review the rendered chart. Look for unusually wide rows, which mean an object or array with many properties, or unusually deep chains, which mean heavy nesting, both visible instantly in the icicle chart.
When to use Visualize a JSON Structure
Visualize a JSON Structure renders an abstract icicle chart showing how deeply nested and how complex a JSON document is. Reach for Visualize a JSON Structure when you want a sense of a document's shape before diving into the raw text line by line.
- Sizing up an API response before parsing it. You received a large API response and want a quick sense of how deeply nested it is before writing code to parse it, so you know what structure to expect.
- Spotting an unusually large config section. A configuration file has grown over time, and you want to visually identify which section has quietly become far larger or more nested than the rest.
- Showing a teammate a payload's shape. Rather than pasting raw JSON into a chat and describing its structure in words, share the rendered chart so a teammate can see the nesting and scale immediately.
- Auditing a document for unexpected depth. You suspect a JSON export has runaway nesting from a recursive bug, and the icicle chart makes an abnormally deep chain obvious at a glance.
Examples
See the shape of a document
Input
{"user": {"name": "Ada", "tags": ["math", "code"]}, "n": 1}Output
An icicle chart: each row is a nesting level, each block a value, colored by type.
About the Visualize a JSON Structure tool
Visualize a JSON Structure does its work locally, right in the browser. Create an abstract visualization of a JSON's complexity. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the JSON Tools collection on EditSafely, a set of 90 small, focused JSON utilities that share the same instant, private workspace.
There is nothing to configure. Provide the input and the result appears on its own. A worked example further down the page shows exactly what the tool produces for a real input.
Running locally also makes the tool fast and dependable: results appear as you type or drop a file, there is no server outage that can take it down mid-task, and confidential data can be processed without a second thought.
Frequently asked questions
Does Visualize a JSON Structure cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
Can I save what the tool produces?
Yes. Use the download or copy controls in the output panel to keep the rendered result once it looks the way you want.