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Formula Foundry – Forge powerful Google Sheets formulas effortlessly
Struggling with complex spreadsheets? Formula Foundry is a Google Sheets add-on that makes writing, understanding, and managing formulas easy for everyone – from marketing analysts to finance managers, teachers to small business owners. Save hours, reduce errors, and turn formula frustration into confidence.

What you get

Fast formula writing
Write complex formulas 10x faster with an intuitive editor and builder – no more trial-and-error in the tiny formula bar.

No more errors
Catch mistakes early with real-time checks and structured formatting, giving finance teams the confidence that every number is correct.

Works the way you do
Whether you prefer coding or visual tools, Formula Foundry adapts – perfect for both Excel pros and spreadsheet novices.

Save & reuse solutions
Create a library of formula snippets and variables you can insert anywhere – a huge time-saver for repeating tasks across sheets.
What we offer

Rich formula editor
Advanced formula editing with syntax highlighting, autocomplete, and indenting for clarity.

Drag-and-drop builder
Visual tool to build formulas step by step without writing code.

Reusable snippets
Save frequent formulas or sub-formulas and insert them with a click in any sheet.

Variable syncing
Define variables (like exchange rates or constants) and use them in formulas across your workbook, all updated in one place.

Excel syntax support
Compatibility mode to convert Excel formulas to Google Sheets and vice versa, so you never get stuck rewriting formulas.

AI assistance
Use AI to suggest formulas or explain complex ones in plain English, then fine-tune with the editor.
Who is it for

Megan
The marketing analyst
Megan spends hours cleaning campaign data and building ROI formulas. She worries about mistakes in her complex formulas.
Formula Foundry gives her a visual formula builder and AI suggestions to quickly create accurate formulas for metrics, so she can focus on insights rather than debugging syntax.

Frank
The finance manager
Frank handles massive budgets in Sheets and feels uneasy trusting huge nested IFs and lookups.
With Formula Foundry’s code editor and error-highlighting, Frank confidently audits and reuses verified formula snippets, ensuring every calculation is correct and compliant.

Alicia
The educator
Alicia teaches spreadsheet skills and helps colleagues with Sheets, but complex formulas intimidate her students.
Formula Foundry simplifies learning with an easy formula breakdown and step-by-step builder. Alicia can even show a live formula demo in class, turning fear into aha-moments for her students.

Mike
The small business owner
Mike wears many hats and uses Google Sheets to track sales and inventory. He often Googles for formulas and prays they work.
Formula Foundry acts as his smart assistant – offering ready-made formula templates, Excel-to-Sheets conversions, and a quick snippet library. Mike saves time and avoids costly mistakes, all without hiring a spreadsheet expert.
What our clients say
“There are several formula builder tools in the Google Sheets Market Place, but Formula Foundry’s was the easiest for me to use!”Will Kaufman
“Opening Google and/or ChatGPT for syntax and formula writing assistance was always helpful, but one more step in my workflow – Formula Foundry simply added the power of AI directly into Google Sheets, and it’s super convenient!”Yurii Vasyliev
“I always wanted to be able to have a bigger, number-delineated entry field to write and edit larger formulas; Formula Foundry’s editor is perfect!”Will Kaufman
Ready to transform your Google Sheets experience?
Stop wrestling with formulas and start forging them with ease.
Installs in seconds from the Google Workspace Marketplace