falniveFree Online Tools
Calculators and generators for surveys, research, and data collection. No signup required — just use them.
Survey & Research Calculators
NPS Calculator
Calculate your Net Promoter Score from survey responses
Sample Size Calculator
Determine the right sample size for your survey
Confidence Interval Calculator
Calculate confidence intervals for your data
Chi-Square Calculator
Perform chi-square tests for statistical analysis
Statistical Significance Calculator
Check if your A/B test results are significant
Survey Response Rate Calculator
Calculate response rates with industry benchmarks
CSAT Calculator
Calculate Customer Satisfaction Score
CES Calculator
Calculate Customer Effort Score
UTM Builder
Create UTM-tagged URLs for campaign tracking
Tax Form Generators
W-9 Form Generator
Generate a W-9 tax form as a downloadable PDF
W-2 Form Generator
Generate a W-2 Wage and Tax Statement as a PDF
W-4 Form Generator
Generate a W-4 withholding certificate as a PDF
1099 Form Generator
Generate a 1099-NEC form for nonemployee compensation
1099-R Form Generator
Generate a 1099-R for retirement distributions
W-8BEN Form Generator
Generate a W-8BEN for foreign beneficial owners
1040 Form Generator
Generate a simplified Form 1040 as a PDF
1040-SE Form Generator
Generate a self-employment tax worksheet as a PDF
1098 Form Generator
Generate a mortgage interest statement as a PDF
1098-E Form Generator
Generate a student loan interest statement as a PDF
1098-T Form Generator
Generate a tuition statement as a PDF
1310 Form Generator
Generate a deceased taxpayer refund statement as a PDF
2120 Form Generator
Generate a multiple support declaration as a PDF
4506 Form Generator
Generate a request for copy of tax return as a PDF
4506-T Form Generator
Generate a request for tax transcript as a PDF
4868 Form Generator
Generate a filing extension application as a PDF
5329 Form Generator
Generate an additional taxes worksheet as a PDF
540 Form Generator
Generate a California resident income tax return as a PDF
540-ES Form Generator
Generate a California estimated tax worksheet as a PDF
7004 Form Generator
Generate a business extension application as a PDF
W-8BEN-E Form Generator
Generate a W-8BEN-E for foreign entities