Write, fix, and understand any Google Sheets™ formula in seconds with an AI assistant, reusable variables, and snippets. Free to use, and your Excel formulas work here too.
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Listing updated:July 19, 2026
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Overview
Formula Foundry brings an AI assistant into Google Sheets™ to generate, explain, and fix your formulas in plain language.

A roomy multi-line editor replaces the cramped formula bar, with syntax highlighting, @@variables, and reusable snippets.

Build IF, QUERY, VLOOKUP, and XLOOKUP functions with a visual builder, no syntax memorizing required.

Paste in your Excel formulas and they just work, so your Excel skills come straight across.

Free to use, so just install it and start.
Additional information
PricingFree of charge with paid features
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Formula Foundry will ask for the permissions shown below. Learn more
Formula Foundry will need access to your Google account
This will allow Formula Foundry 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
Connect to an external service
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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