Find JSON Depth
Find the nesting depth of a JSON data structure. 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 Find JSON Depth
- 1. Paste your JSON. Paste the JSON object or array you want measured. The tool walks the entire structure, following every object and array down to its deepest point.
- 2. Read the reported depth. The single number returned is the maximum nesting depth found anywhere in the document, counting the outermost object or array as the first level and each nested container below it as one more.
- 3. Use the depth to judge the structure. A high number suggests a document that may be worth flattening for readability or storage, while a low number confirms the structure stays shallow and simple to work with directly.
When to use Find JSON Depth
Find JSON Depth reports the maximum nesting level of a JSON document with a single number, without you having to count brackets by hand. Use Find JSON Depth to gauge how deeply nested a structure is before deciding how to process, store, or flatten it.
- Deciding whether a config needs flattening. A config file has grown organically over time and you suspect it has gotten too deeply nested to manage comfortably, so checking the actual depth confirms whether flattening is worth doing.
- Setting limits for a recursive parser. You are writing code that walks a JSON structure recursively and want to know the maximum depth of real-world sample data to set a sensible recursion limit safely.
- Comparing the complexity of two API responses. You want to compare how deeply nested two different endpoints' responses are, as a quick proxy for how complex each one will be to work with in client code.
- Checking a database's document nesting limit isn't exceeded. Some document databases cap how deeply a document can nest, and checking a document's depth here confirms it stays under that limit before you attempt to store it.
Examples
Measure a nested structure
Input
{"a": {"b": [1, 2]}}Output
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About the Find JSON Depth tool
Find JSON Depth is a free online tool that works entirely inside your web browser. Find the nesting depth of a JSON data structure. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 90 JSON utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
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.
Because nothing leaves your device, the tool is suitable for sensitive content such as internal documents, credentials or customer data. It also responds instantly, since every keystroke is handled on your own machine rather than by a remote API.
Frequently asked questions
Is Find JSON Depth free to use?
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?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
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?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.