JSON Decode Tree

Parse JSON into an expandable tree, unwrap JSON string layers, and decode nested fields locally in the browser.

Client-sideNo signupFast utility

Inspect JSON payloads as a tree

Paste a JSON payload, decode it locally, then expand the tree or parse nested JSON string fields.

Input

How it works

1Paste a valid JSON payload or a JSON string into the input area.
2The tool runs JSON.parse locally and unwraps extra JSON string layers when possible.
3Expand the tree and click Parse on nested string fields such as body when needed.

Output

Ready for a transform.

Keep exploring

Inspect BER and DER structures directly in the browser with format detection, a readable tree view, and zero server round-trips.

Encode or decode URLs, query strings, and parameter values directly in the browser.

Convert UTF-8 text to and from Base64 locally in the browser without losing Unicode characters.

Escape or unescape HTML entities such as <, >, &, quotes, and apostrophes without leaving the page.

Generate batches of UUID v4 values in the browser with flexible formatting, Base64 variants, and copy-ready output.

Generate 2FA codes locally in your browser, import otpauth QR images, and keep shared secrets off third-party services.

View a Gregorian month alongside the Vietnamese lunar calendar, convert dates both ways, and inspect Can Chi details directly in the browser.

Look up a word or phrase, then open Oxford, Cambridge, YouGlish, and Google Translate quickly from one place.