This toolkit is made by salesfit.io. It lets you measure and improve product-market fit using data automatically collected during a purchase process (you can use different data though - their manual helps you to choose the right metric).
Add CSV and Excel import to your web app in minutes.
🤝 A delightful data import experience for your users
🧑💻 Easily integrate with a few lines of JS and a webhook or callback
💪 Handle large import files with ease
💯 Supports CSV and all Excel formats