Excel Whisper

Excel Whisper is a web-based AI assistant for Excel and CSV analysis built for professionals, students, educators, and anyone who works in spreadsheets and wants to use natural language instead of formulas and manual steps.

Key capabilities include:

• Natural language analysis for common spreadsheet tasks such as filtering, joining across tables, creating calculated columns, and building pivot-style summaries
• Data cleaning and formatting help, including handling missing values, duplicates, and inconsistent formats
• Visualization generation with basic and advanced charts (advanced features available in Pro mode)
• Multi-file analysis across multiple spreadsheets in a single run (up to 2 files on Free, 5 files on Standard, and 10 files on Pro)

Pricing: Freemium; Free tier ($0/mo) includes 10 analyses/month and requires no login or credit card. Paid plans are currently 50% off: Standard is $9.9/month (regularly $20) for 300 analyses, and Pro is $19.9/month (regularly $30) for 1,000 analyses.

What makes it notable: Excel Whisper focuses on local, in-browser processing so files stay on the device. It also limits analysis to column headers to understand structure, which differentiates it from tools that upload spreadsheet data to a server.