Marketing Tools.
Campaign tracking, email authentication, signatures, A/B test math, ROI calculators, CTA buttons. All browser-based. No signup.
UTM Link Builder
Build campaign URLs with UTM parameters for Google Analytics tracking.
Use tool →Email Signature Generator
Create professional email signatures that work in Gmail, Outlook, and Apple Mail.
Use tool →DKIM/SPF Generator
Generate DKIM and SPF DNS records for Google Workspace, Microsoft 365, or custom setups.
Use tool →A/B Test Calculator
Calculate the sample size needed for statistically significant A/B tests.
Use tool →Marketing ROI Calculator
Calculate return on investment for campaigns, channels, and marketing spend.
Use tool →CTA Button Generator
Generate CSS button code with live preview. Pick colors, sizes, and hover effects.
Use tool →