20 free tools,
no signup
Calculators and generators for the maths that comes up around surveys and forms. Everything runs in your browser — nothing is uploaded, and none of it needs an account.
Survey metrics
Assign your own themes and export transparent counts.
Net Promoter Score with a confidence interval.
Employee NPS, with small-team confidence bands.
Customer satisfaction score from your raw counts.
Customer Effort Score from a 1–7 scale.
The Sean Ellis 40% test, with error bars.
Statistics
How many responses you actually need.
How much your result could be off by.
The range your result really sits in.
Is that A/B test difference real, or noise?
Mean, median, and top-box, side by side.
Form performance
Marketing
Tagged campaign URLs, built correctly.
Static QR codes that never expire.
A printable QR code for any Google Form.
A printable QR code for any Typeform.
A printable QR code for Microsoft Forms.
Ready when you are
Better forms.
Better data.
Start with a conversation, a document or a single page.
Unlimited forms and 500 responses per month on Free.
No card required.
- No credit card
- Unlimited forms
- 500 responses / month