Beautiful tools for ugly data

A growing set of focused utilities for JSON, CSV, and messy real-world data. Each tool is designed like a product, not a throwaway form.

JSON to CSV Converter

Convert nested JSON, API responses, mixed arrays, and object-heavy payloads into a clean CSV with row node detection, selective flattening, and advanced parsing controls.

Open tool

CSV Diff Tool

Compare two CSV files online, match rows by id or email, detect added, removed, changed, and unchanged rows, and download a structured diff CSV.

Open tool