CSV to JSON Converter CLI

beginner

A CLI tool that converts CSV files to JSON with type inference, schema validation, nested object support, and streaming for large files. Handles various delimiters, encoding, and produces clean str...

Target user

Data engineers and developers who transform CSV data to JSON

Problem

Data engineers frequently need to convert CSV to JSON with proper type inference and nested structures, but manual conversion is error-prone and tedious without a reliable CLI tool.

Requirements

Convert CSV to JSON with type inference
Support custom delimiters and encoding
Handle nested objects via dot notation
Stream large files without memory issues
Validate output against JSON schema

Core technologies

Node.js, TypeScript, csv-parse

Completion criteria

Users can convert CSV to JSON with type inference, custom delimiters, nested objects, and streaming for large files.

Optional extensions

Add reverse JSON to CSV conversion
Implement custom type mapping
Add batch directory conversion
Support Excel input