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JSON Visualizer & Cleaner

JSON Viewer Online

Use this JSON viewer online to explore nested JSON data with a raw editor, visual tree, search, cleanup, and local browser processing.

See raw JSON and nested structure side by side — no upload step.

Format JSON instantlyExplore API Mock Generator

Why it matters

Raw JSON is hard to scan when payloads get large. This workspace keeps the raw editor and visual structure side by side so formatting, searching, and cleanup stay fast.

Live workspace

See the raw payload and structure together.

Raw JSONSearch enabled
{
  "user": {
    "id": "usr_1042",
    "name": "Maya Thompson"
  },
  "projects": [
    { "id": "proj_201" }
  ]
}

Visual tree

$

user

id

projects

Format, minify, clean, search, and copy JSON paths without leaving the browser.

Edit raw JSON faster

Paste large payloads into a near full-width JSON editor with line numbers, formatting actions, and cleaner syntax visibility.

Explore the structure visually

Search keys and values, expand or collapse the tree, and copy JSON paths directly from nested nodes while you inspect the data.

Clean and export

Remove null and empty fields, minify or prettify the payload, then copy or download the cleaned JSON without leaving the browser.

Why it helps

Why use a visual JSON viewer

  • Understand nested API responses faster with raw and tree views side by side.

  • Copy JSON paths from nested structures for tests, code, or documentation.

  • Search large payloads without losing where a field lives in the object tree.

How to use it

How to view JSON online

  1. 1

    Paste the JSON payload into the editor.

  2. 2

    Expand the visual tree and search for keys or values.

  3. 3

    Copy paths, format output, or clean the payload for reuse.

Quick tips

JSON viewing tips

  • Collapse branches you do not need so important nested fields stay visible.

  • Use JSON paths when handing a field name to another developer or test fixture.

  • Switch between raw and visual views to catch both syntax and structure problems.

FAQ

JSON viewer questions

What does a JSON viewer do?

A JSON viewer turns raw JSON into a readable structure so nested objects, arrays, keys, and values are easier to inspect.

Can I search inside large JSON data?

Yes. You can search keys and values while keeping the raw payload and tree structure available.

Can I copy JSON paths from the viewer?

Yes. The visual tree workflow helps you identify and reuse paths for tests, code, or documentation.

Does this JSON viewer run locally?

Yes. The viewing and cleanup workflow runs in the browser.

Open the main JSON Visualizer & Cleaner page

This page focuses on one search intent. The main tool page includes the broader product overview, related workflows, and full use cases.

Open the main JSON Visualizer & Cleaner workflowFormat JSON Online