AI-powered assistant for Google Sheets™ — 17 custom functions and a chat sidebar that reads, edits, and automates your spreadsheet. Google Sheets™ is a trademark of Google LLC.
Listing updated:October 1, 2026
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Overview
LunaRabbit AI is an AI-powered productivity tool for Google Sheets™. It combines 17 custom spreadsheet functions with an intelligent chat sidebar that can read, edit, and automate your spreadsheet — all through natural language.

CHAT SIDEBAR
Open the sidebar and describe what you need in plain English. The AI reads your active sheet, generates formulas, edits cells, creates charts, and more — automatically.

- "Calculate total revenue by region"
- "Sort by date and highlight duplicates"
- "Create a VLOOKUP to match product names"

17 AI CUSTOM FUNCTIONS
Type AI-powered formulas directly in any cell:
- LR_AI: General-purpose AI for any question or instruction
- LR_CREATIVE: Generate marketing copy, titles, and creative text
- LR_PY: Run Python in a sandbox with pandas/numpy/scipy preloaded
- LR_WEB: Search the web for real-time information
- LR_VISION: Analyze images and extract text via URL
- LR_TRANSLATE: Translate text between 100+ languages
- LR_CLASSIFY: Categorize text into custom labels
- LR_EXTRACT: Pull specific fields from unstructured text
- LR_SUMMARIZE: Condense long text into key points
- LR_VALIDATE: Check data against custom rules
- LR_FORMAT: Standardize and clean messy data
- LR_TAG: Auto-generate keywords and hashtags
- LR_FILL: Smart autofill based on reference patterns
- LR_LIST: Generate structured lists that spill into cells
- LR_TABLE: Generate data tables that spill into a 2D range
- LR_SPLIT: Split text into cells with AI-detected delimiters
- LR_MATCH: Fuzzy match and deduplicate records

FREE TO USE
- Monthly AI credits included
- All 17 custom functions available
- No credit card required to get started

HOW IT WORKS
1. Install the add-on from the Google Workspace™ Marketplace
2. Open the sidebar: Extensions > LunaRabbit > Open Sidebar
3. Sign in with your Google account
4. Start chatting or use custom functions in any cell

PRIVACY & SECURITY
- Your data is transmitted over HTTPS (TLS 1.3)
- Document content is used only to generate AI responses and is not stored permanently
- We do not sell your personal information
- Full privacy policy: https://lunarabbit.ai/privacy.html

Google Sheets™ and Google Workspace™ are trademarks of Google LLC. LunaRabbit, Inc. is not affiliated with, endorsed by, or sponsored by Google LLC.
Additional information
PricingFree of charge with paid features
Developer
Privacy policy
Terms of service
LunaRabbit for Sheets™ will ask for the permissions shown below. Learn more
LunaRabbit for Sheets™ will need access to your Google account
This will allow LunaRabbit for Sheets™ to :
View and manage spreadsheets that this application has been installed in
Display and run third-party web content in prompts and sidebars inside Google applications
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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