An intelligent utility that transforms complex, nested JSON data into clean, spreadsheet-ready CSV files.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install json2csv
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install json2csv using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is JSON to CSV Converter?
The JSON to CSV Converter is a specialized tool designed to bridge the gap between hierarchical data structures and tabular analysis environments. As part of the Openclaw Skills collection, this utility excels at taking deeply nested JSON objects and arrays and recursively flattening them into a structured format suitable for legacy systems and modern data stacks.
By automating the transformation of nested keys into a dot-notation schema, it eliminates the need for manual data cleaning. This tool is essential for developers and analysts who need to process API responses or document-based database exports into formats compatible with Excel, Google Sheets, or relational databases.
JSON to CSV Converter Use Cases
- Converting complex API responses into readable spreadsheet formats for stakeholders.
- Preparing machine learning training sets from hierarchical JSON raw data.
- Migrating document-store data into relational database management systems.
- Flattening nested telemetry logs for visualization in standard business intelligence tools.
How JSON to CSV Converter Works
- The skill accepts a source JSON file containing a single object or an array of objects.
- It recursively traverses every level of the JSON structure to identify all possible fields.
- Nested keys are flattened using dot notation to create unique, descriptive CSV headers.
- Array elements are handled by creating indexed columns to ensure no data is lost during the conversion.
- The tool generates a standard CSV output file that preserves the integrity of the original data relationships.
JSON to CSV Converter Setup
To use this component from Openclaw Skills, ensure you have Python installed on your local environment. Follow these steps:
# Navigate to your project directory
# Execute the converter script with input and output paths
python json2csv.py data.json output.csv
JSON to CSV Converter Data Schema & Taxonomy
The converter follows a deterministic mapping strategy to ensure data consistency across different files.
| JSON Structure | CSV Mapping | Example |
|---|---|---|
| Nested Object | Dot notation header | info.age |
| Array Element | Indexed header | tags.0, tags.1 |
| Root Array | Individual rows | One row per object |
| Primitive Type | Literal value | String, Number, Boolean |
JSON to CSV Converter Advanced Features
- Intelligent recursive flattening that supports infinite nesting levels.
- Dynamic header generation based on the superset of all keys present in the JSON array.
- Efficient memory management for processing large JSON datasets.
- Compatibility with other Openclaw Skills for end-to-end data automation workflows.
SKILL.md
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