JSON Tree Viewer
Browse JSON as an expandable tree locally in LocalKit. Inspect nested API payloads without uploading them.
Interactive controls load with JavaScript. Processing stays in your browser—nothing is uploaded.
Loading tool…
How to use
- Open the tool — Open this LocalKit page and wait for the interactive controls to load.
- Provide input — Paste or type your content (or set options). Data stays in the browser.
- Run the action — Use the primary button or live controls to generate the result.
- Copy the result — Copy the output into your editor, terminal, or documents.
Limits
Huge JSON may slow the tab.
When to use
Inspecting nested API payloads privately.
When not to use
Streaming multi-GB JSON processing.
Privacy note
JSON stays in the browser.
FAQ（5）
Does it modify JSON?
No. It parses and renders a tree; Copy returns pretty JSON.
Large files?
Very large trees can slow the tab—trim input if needed.
Is JSON uploaded?
Never.
Invalid JSON?
You will see a parse error; fix trailing commas or quotes.
Collapse all?
Uncheck Expand all and re-run to start collapsed.