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Version 8 Released!

Build beautiful webpages using themes. Submit web forms even when you are offline. Be two or more to work in the same Excel spreadsheet in real-time from laptops, tablets and mobiles.

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Responsive Design

Deliver the best viewing experience on all device types with a single spreadsheet. Define responsive blocks to optimize your content for every screen size.

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New Node.js flavor

If you need to protect your Excel formulas, use the industry-standard, open source Node.js environment to hide your formulas on the web server.

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We have 13,251 happy customers - and counting...

  • That is exactly what I was looking for, you and your program have saved me an amazing amount of time.

    Brian Slater, Webhosting company

  • You guys ROCK! I checked the formulas several time and didn’t catch that! I’m very impressed with your talent and fast response and service. Thank you!

    George McFly, AdMarket Ohio USA

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Take the tour

Providing a smart calculator on your website makes people come back. Design your online calculator in Microsoft Excel, then convert it into a calculating and interactive web page that can be published on any website

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With SpreadsheetConverter, you can publish nearly all Excel spreadsheets on the web, retaining the live user experience and the immediate recalculation when cell contents are changed.

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Free download

Test the program with your own spreadsheets for up to 30 days at no charge. If you like it, buy a license key and convert your trial version to the full version.

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Body Mass Index calculator

Calculating your BMI is a popular and easy way to tell if your weight is putting your health at risk. Our example spreadsheet calculates your BMI after you’ve entered your weight and height.


Calorie usage calculator with a live chart

Had enough of hearing about diets and weight loss? Well, from a physical point of view, there’s really nothing new under the sun. The difference between your intake of energy (e.g. measured in calories) and the energy you consume on various activities is still the only thing that affects your weight. Want to lose a few pounds? Eat less or move around more, that’s all there’s to it.

Build live website calculators and web forms now!

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Just download, install and test the Excel add-on now. Or let us convert a spreadsheet for you, for free.