Free Marketing Tools. Right in Your Browser.
Lightweight calculators, generators, and productivity tools for marketing running locally in your browser sandbox.
Campaign UTM Link Builder
Construct validated Google Analytics 4 tracking links with source, medium, campaign parameters, and instant high resolution QR codes.
Social Media Character Limit Checker
Real time multi platform character limit gauges and visual warnings for X (Twitter), LinkedIn, Instagram, and TikTok captions with hashtag analytics.
Open Graph & Twitter Card Tag Generator
Generate verified Open Graph and Twitter Card HTML meta tags with live visual desktop feed card mockups for LinkedIn, Facebook, and X (Twitter).
Email Subject Line & Inbox Preheader Previewer
Preview how email subject lines and preheaders look on mobile and desktop Gmail and Apple Mail inbox viewports before sending.
WhatsApp Click to Chat Link & QR Generator
Create sanitized wa.me click to chat links with custom pre filled messages and scannable QR codes for marketing campaigns and direct customer support.
Review Request QR Code Builder
Generate high converting print ready "Scan to Review" QR code badges with custom call to action frames for Google, Yelp, and Trustpilot customer feedback.
Net Promoter Score (NPS) Calculator
Calculate customer loyalty and Net Promoter Score (minus 100 to +100) from Promoters, Passives, and Detractors with industry benchmark ratings.
Mailto: HTML Link & Body Generator
Construct RFC 6068 compliant mailto: links with pre filled Recipient, CC, BCC, Subject Line, and multi line body copy with one click HTML anchor generation and testing.
A/B Split Test Statistical Significance Calculator
Calculate two tailed Z score, p value, relative conversion lift, and statistical confidence intervals (90%, 95%, 99%) between Control (Variant A) and Test (Variant B).
Marketing Reach & Frequency Calculator
Calculate unique audience reach, average ad frequency, total impressions, and CPM cost per thousand reached locally in your browser.
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Need a specific SEO calculator, converter, or text utility that runs locally in your browser? Send us the idea and we will build it.