JSON Path Visualizer

Visualize JSON or JSONL as an expandable tree and copy JSONPath expressions for every node

Paste JSON or JSON Lines text, or upload a file, to inspect nested structures like a file explorer. Search for fields, expand nested arrays and objects, copy exact JSONPath expressions such as $.store.book[0].title, and export the full path inventory as CSV for documentation or QA workflows.

Example Results

1 examples

Explore a nested store payload and copy JSONPath expressions

Use the tree to understand arrays, nested objects, and exact field paths before writing tests or transformations.

JSON Path Visualizer report with 16 total paths, 3 visible matches, copied path actions, and CSV export.
View input parameters
{ "jsonInput": "{\n \"store\": {\n \"book\": [\n { \"title\": \"Clean Code\", \"price\": 32, \"authors\": [\"Robert C. Martin\"] },\n { \"title\": \"The Pragmatic Programmer\", \"price\": 28, \"authors\": [\"Andrew Hunt\", \"David Thomas\"] }\n ],\n \"bicycle\": { \"color\": \"red\", \"price\": 99.95 }\n }\n}", "jsonFile": "", "inputFormat": "auto", "searchTerm": "price", "expandDepth": 3, "includeValuesPreview": true, "exportAllPathsAsCsv": true }

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: .json, .jsonl, application/json, text/plain

Key Facts

Category
Developer & Web
Input Types
textarea, file, select, text, number, checkbox
Output Type
html
Sample Coverage
4
API Ready
Yes

Overview

The JSON Path Visualizer is a developer tool that transforms complex JSON or JSON Lines (JSONL) data into an interactive, expandable tree. It allows you to easily navigate nested structures, search for specific fields, and instantly copy exact JSONPath expressions for any node. With built-in CSV export for path inventories, it streamlines API testing, data extraction, and documentation workflows.

When to Use

  • •When you need to extract precise JSONPath expressions from deeply nested API responses for testing or data mapping.
  • •When exploring large, unfamiliar JSON or JSONL files and you need a visual, file-explorer-like interface to understand the structure.
  • •When documenting data schemas or performing QA, requiring a full inventory of all available JSON paths exported as a CSV.

How It Works

  • •Paste your JSON or JSONL payload into the text area, or upload a file directly.
  • •Set your preferred expand depth and use the search bar to highlight specific keys or values.
  • •Navigate the interactive tree to inspect arrays and objects, clicking any node to copy its exact JSONPath expression.
  • •Toggle the CSV export option to download a complete inventory of all paths and their corresponding values.

Use Cases

Writing JSONPath assertions for API integration tests in tools like Postman or RestAssured.
Mapping data fields for ETL pipelines by visually identifying the correct paths in complex JSONL logs.
Generating data dictionaries and schema documentation by exporting all JSON paths to a CSV file.

Examples

1. Extracting paths for API testing

QA Engineer
Background
A QA engineer is writing automated tests for an e-commerce API that returns a deeply nested JSON response containing store inventory.
Problem
Manually writing and verifying JSONPath expressions for specific nested items (like the price of the second book) is error-prone and time-consuming.
How to Use
Paste the API response into the JSON Input, set Expand Depth to 3, and click the target node in the visual tree to copy its path.
Example Config
{"searchTerm": "price", "expandDepth": 3}
Outcome
The engineer instantly copies $.store.book[1].price to their clipboard, ensuring accurate test assertions without manual syntax guessing.

2. Documenting JSONL log structures

Data Engineer
Background
A data engineer receives a large JSONL file containing server event logs and needs to map the schema for a data warehouse.
Problem
The log structure is undocumented, and manually tracing every possible field across multiple nested JSON lines is tedious.
How to Use
Upload the .jsonl file, select JSON Lines as the Input Format, and check Export All Paths as CSV.
Example Config
{"inputFormat": "jsonl", "exportAllPathsAsCsv": true}
Outcome
The tool generates a visual tree of the log structure and provides a downloadable CSV containing every JSONPath, instantly creating a baseline data dictionary.

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FAQ

What formats does this tool support?

It supports standard JSON and JSON Lines (JSONL). You can paste the text directly or upload .json and .jsonl files.

How do I copy a JSONPath expression?

Simply navigate the visual tree and click on the specific node or field you want. The tool automatically generates and copies the exact JSONPath (e.g., $.store.book[0].title).

Can I search for specific fields in a large JSON file?

Yes, you can enter a keyword or path into the Search Term field to quickly locate specific keys or values within the nested structure.

What does the CSV export include?

The CSV export provides a complete inventory of your JSON structure, listing every generated JSONPath alongside its corresponding value from the payload.

Does it handle deeply nested arrays?

Yes, the tool visualizes deeply nested arrays and objects. You can configure the initial Expand Depth to automatically open levels up to 8 tiers deep.

API Documentation

Request Endpoint

POST /en/api/tools/json-path-visualizer

Request Parameters

Parameter Name Type Required Description
jsonInput textarea No -
jsonFile file (Upload required) No -
inputFormat select No -
searchTerm text No -
expandDepth number No -
includeValuesPreview checkbox No -
exportAllPathsAsCsv checkbox No -

File type parameters need to be uploaded first via POST /upload/json-path-visualizer to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "result": "
Processed HTML content
",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
HTML: HTML

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-json-path-visualizer": {
      "name": "json-path-visualizer",
      "description": "Visualize JSON or JSONL as an expandable tree and copy JSONPath expressions for every node",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=json-path-visualizer",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]