Life & fun · November 21, 2025
Datamorph – A clean JSON ⇄ CSV converter with auto-detect
Hi everyone, I built a small web tool called Datamorph because I kept running into JSON/CSV converters that either broke with nested data, required login, or added weird formatting. Datamorph is a minimal, fast, no-login tool that can: • Convert JSON → CSV and CSV → JSON • Auto-detect structure (arrays, nested objects, mixed data) • Handle uploads or manual text input • Beautify / fix invalid JSON • Give clean, flat CSV output for real-world messy data It’s built with React + Supabase + serverless functions. Everything runs client-side except file parsing, so nothing is stored. I…
In plain words
Datamorph is a web-based converter that transforms data between JSON and CSV formats without requiring login or storing files. It automatically detects data structures including nested objects and arrays, handles both file uploads and manual text input, and can repair malformed JSON. The tool runs conversions client-side for speed and privacy, offering a straightforward interface designed for developers and data analysts working with real-world messy data.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi everyone, I built a small web tool called Datamorph because I kept running into JSON/CSV converters that either broke with nested data, required login, or added weird formatting. Datamorph is a minimal, fast, no-login tool that can: • Convert JSON → CSV and CSV → JSON • Auto-detect structure (arrays, nested objects, mixed data) • Handle uploads or manual text input • Beautify / fix invalid JSON • Give clean, flat CSV output for real-world messy data It’s built with React + Supabase + serverless functions. Everything runs client-side except file parsing, so nothing is stored. I know there are many similar tools, but I tried focusing on: • better handling of nested JSON, • simpler UI, • zero ads / zero login, • instant conversion without waiting. Would love feedback on edge cases it fails on, or features you think would make this actually useful for devs and analysts. Live tool: https://datamorphio.vercel.app/ Thanks for checking it out!
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