Free tools for forms and surveys
Turn a PDF or a photo into a working online form, generate a QR code, or calculate NPS, CSAT, churn, retention, grades, and other survey metrics.
File to form converters
PDF to Form Converter Upload a PDF form and AI rebuilds it as a real, fillable online form. See the result before you sign up for anything. Convert a PDF โ
Image to Form Converter Photograph a paper form, upload the picture, and AI rebuilds it as a real online form. See it working before you sign up. Convert an image โ
QR generators
Google Form to QR Code Paste your Google Form link, generate a scannable QR code, and download a PNG with no watermark for posters, menus, receipts, or slides. Generate Google Form QR โ
SurveyMonkey to QR Code Paste your SurveyMonkey survey link, generate a QR code instantly, and download a print-ready PNG with no watermark. Generate SurveyMonkey QR โ
Calculators
NPS Calculator Enter response counts for promoters, passives, and detractors (or each 0โ10 score). Get your Net Promoter Score and a clear loyalty breakdown. Calculate NPS โ
CSAT Calculator Enter response counts by rating, get your Customer Satisfaction Score, average rating, and an optional sourced industry reference check. Calculate CSAT โ
Survey Response Rate Calculator Enter surveys sent and responses received, then optionally compare your rate to a published survey-type average. Calculate response rate โ
Confidence Interval Calculator Estimate a confidence interval for a survey percentage using the Wilson score method. Better behaved than the simple Wald interval for small samples and extreme rates. Calculate interval โ
Class Grade Calculator Enter each assignment score and syllabus weight. Get your weighted course grade, letter, and 4.0 GPA points instantly. Calculate grade โ
Churn Rate Calculator Enter customers at the start of a period and how many left. Get churn, retention, lifetime, and correctly compounded annual churn. Calculate churn โ
Retention Rate Calculator Enter customers at the start of a period and how many stayed. Get retention, implied churn, and compounded annual retention. Calculate retention โ
Weighted Average Calculator Enter each value and its weight. Get the weighted mean instantly, plus a simple average for comparison. Calculate average โ
Need a form with a built-in QR?
Formms is a free AI form builder for iPhone, Android, and the web. Describe the form, share a short link or QR, and read replies on your phone.
View a demo form โ