AI can now read your spreadsheets, analyze data, write formulas, and generate insights — all from simple natural language requests.

Best Free Tools

1. ChatGPT — Most Powerful

Price: Free (GPT-5.5)
Platform: chat.openai.com (requires VPN)

How to use:
Upload Excel/CSV file and ask:
- "Summarize this sales data by month"
- "Find the top 10 products by revenue"
- "Write a formula to calculate growth rate"
- "Create a pivot table analysis"

2. DeepSeek — Free Alternative

Price: Free
Platform: chat.deepseek.com

Features:
- Upload xlsx/csv files
- Data analysis
- Formula generation
- Data cleaning

3. WPS AI — Built into Office

Price: Free (basic)
Platform: WPS Office

Features:
- AI writes formulas
- Data analysis
- Chart generation
- Smart fill

4. SheetAI — Google Sheets Add-on

Price: Free (limited)
Platform: Google Sheets

Features:
- AI functions in Google Sheets
- Generate data with prompts
- Analyze and summarize

Common Tasks

Write formulas:

"If column A > 100, show 'Pass', otherwise show 'Fail'"
→ =IF(A1>100,"Pass","Fail")

Clean data:

"Remove duplicate rows and format dates as YYYY-MM-DD"

Generate report:

"Create a weekly summary report with key metrics and trends"

Summary

  • Most powerful: ChatGPT (file upload + analysis)
  • Free unlimited: DeepSeek (no VPN needed)
  • Built-in solution: WPS AI (if you use WPS)