CSV to JSON Converter

A simple web tool for converting CSV files to JSON format.

What it does

• Upload one or more CSV files via drag-and-drop or file picker
• Converts each CSV file to JSON format
• Merges all rows from all files into a single JSON array
• Instant download of the JSON result
• Runs entirely in your browser

Tech stack

• Backend: FastAPI (Python) + built-in csv module
• Frontend: Vanilla JS + CSS
• Deployment: Vercel (serverless) or Docker

Price

$5 one-time (Gumroad)

Setup

cd /mnt/extra/Hermes_Agent/gumroad/csv-json-converter
pip install -r requirements.txt
uvicorn main:app --port 8100