About Temp CSV

A simple online service to upload, view, and share table files (CSV, TSV, Excel, ODS) without registration.

Live: https://tempcsv.com

NOTE
This project is mainly developed with Cursor; it is more experimental than production-ready.

Features

• Upload table files: CSV, TSV, Excel (.xlsx, .xls), ODS
• View tables online with pagination; multi-sheet Excel support with sheet switcher
• Share files via links (files auto-deleted after 7 days)
• No login or registration required

Tech Stack

• Frontend: Next.js 14, React, TypeScript, Tailwind CSS, shadcn/ui (see nextjs-app/)
• Backend: Hono on Cloudflare Workers
• Storage: Cloudflare R2 (no database)

Frontend

Next.js app in nextjs-app/. Deployed on Cloudflare Pages (or Vercel).

• Entry: https://tempcsv.com

Backend

Hono API on Cloudflare Workers.

• POST /api/upload – Upload a file to R2; returns file URL (original extension preserved).
• GET /files/:folder/:fileName – Download a file.

API entry: https://tempcsv.com/api/.

Download

Files are served from R2. Download entry: https://my.tempcsv.com/<file_path>.

Development

From repo root:

./start-dev.sh

• Frontend (open in browser): http://localhost:3001
• Backend API: http://localhost:3000

Contact & Feedback

• Email: service@tempcsv.com
• GitHub Issues: https://github.com/open4game/tempcsv/issues