What OpenCSV does

Viewing

• Open .csv files via drag-and-drop or file picker
• Auto-detect headers, comma delimiter, UTF-8 encoding
• Streaming parser handles 100,000+ row files smoothly
• Virtualised table renders only visible rows for speed
• Mobile-friendly with horizontal scroll on small screens

Editing

• Inline cell editing — click any cell, type, save
• Add or delete rows with one click
• Add or delete columns with auto-named headers
• Edit column headers inline
• Real-time search across every cell

Saving & sharing

• Download edited CSV to your device (clean, properly-escaped)
• Save to private cloud library (paid users)
• Open cloud-saved files from any device
• Generate read-only public share links per file
• Revoke share links any time

Account & access

• Email + password sign in (with secure brute-force protection)
• Google OAuth (one-click sign in)
• $1 lifetime access (Stripe one-time payment)
• Same login works across web, iOS, Android

Privacy

• Files load and edit locally in your browser
• No analytics tracking on file content
• No advertising or third-party trackers
• Single httpOnly auth cookie
• Cloud save is opt-in only

What's coming next

Items on the public roadmap, in rough priority order:

• Native iOS and Android apps (with In-App Purchase unlock)
• Delimiter selector (tab, semicolon, pipe)
• Encoding selector (UTF-8, ANSI, ISO-8859-1)
• Column type assignment (number, currency, date, email)
• Deduplication tool
• CSV diff between two files