Tried and tested
Fully compatible with Excel and Google Sheets, GRID’s spreadsheet engine is the most sophisticated independent spreadsheet engine in the world.
The engine has been used to publish interactive models to the web since 2019, and powers our own calculator product used by hundreds of happy customers and hundreds of thousands of their users all over the world.
Every build is automatically tested against thousands of real-world spreadsheets with a broad range of complexity, utility and use-cases to ensure accuracy and performance.