Formula Foundry

What Formula Foundry is

Formula Foundry is a spreadsheet add-on with a formula editor for Microsoft Excel and Google Sheets. Its editor supports multiline authoring, syntax highlighting, structured formatting, indentation, autocomplete, find and replace, dark mode, and adjustable font size. A visual builder lets users assemble formulas step by step, check a live preview and validate arguments, with nested groups and drag-and-drop editing. The AI assistant can generate, explain, or debug formulas from natural-language requests, using formula context the user explicitly supplies. Compatibility mode converts many Excel-specific functions to Google Sheets equivalents and flags formulas that cannot transfer. Users can define workbook variables and save, search, and insert reusable snippets; team snippet sharing is available on Business. The maker says editing runs in the spreadsheet client and does not send formulas, cell values, or other workbook content to its servers. AI is off by default and receives only the cell, selection, or formula referenced for a request. Formula Foundry works on the web inside both spreadsheet platforms. A Free plan is available, Pro starts at $15/user/mo billed annually, Business is $24/user/mo billed annually, and Enterprise uses custom pricing. The maker identifies analysts, including finance, data, and revenue teams, as intended users.

Who it suits

Formula Foundry suits analysts who build or maintain formulas in Excel or Google Sheets, particularly people working in finance, data, or revenue teams. Its visual builder, compatibility mode, and reusable snippets may also suit users who move formulas between the two spreadsheet platforms.

Limits

The Free plan provides one editor tab, one seat, three personal snippets, three custom variables, and about 20 AI generations per month. Pro costs $15 a month billed annually and is limited to one seat; Business costs $24 a month billed annually per seat.

Getting started

1. Visit the Formula Foundry website.
2. Use the web add-on with Microsoft Excel or Google Sheets.
3. Choose the Free plan or a paid plan; Pro and Business are billed annually.
4. Use the editor or visual builder to create formulas.

Verdict

Choose Formula Foundry if you want formula authoring and building tools inside Excel or Google Sheets, including conversion support between them. The Free plan may suit an individual within its tab, seat, snippet, variable, and AI quotas; consider Pro or Business for expanded use, or look elsewhere if third-party SOC 2 or ISO 27001 audits are a requirement.