Marketing & Iklan
Review Request Message Generator
Generate compliant review request messages for your customers. Google prohibits offering incentives for positive reviews — this tool only asks for honest feedback.
FTC Affiliate Disclosure Generator
Buat pernyataan afiliasi yang mematuhi pedoman FTC. Wajib untuk semua website affiliate — sanksi hingga $50.120 per pelanggaran.
📊 A/B Test Significance Calculator
Calculate whether your A/B test results are statistically significant. Uses a two-proportion z-test — the standard method for conversion rate tests. Perfect for Etsy listing A/B tests, landing page experiments, and email campaigns.
✉️ Email Subject Line Tester
Score your email subject lines before you send. Checks length, spam triggers, power words, personalization, and emoji usage — gives you an actionable score and recommendations. Built for affiliate outreach and newsletter campaigns.
📧 Email Header Parser
Parse raw email headers to extract routing path, authentication results (SPF, DKIM, DMARC), and metadata. Visualize the email's journey hop-by-hop. Built for email marketers, deliverability debugging, and affiliate outreach.
📧 Email Address Obfuscator
Hide email addresses from spam bots while keeping them clickable for humans. Generates 5 obfuscation methods — from simple HTML entity encoding to combined JS+entities for maximum protection. Essential for any public-facing website.
⭐ Review Response Generator
Generate professional, compliant replies to customer reviews on Google, Facebook, Yelp, Trustpilot, and Amazon. Picks the right tone for the star rating, acknowledges the specific feedback, and flags FTC / platform-ToS landmines (never offer incentives to change a review). Built for the local service businesses the estate already runs.
📊 PPC ROAS & Break-Even CPA Calculator
Calculate your pay-per-click return on ad spend, customer acquisition cost, and break-even point. Built for local service businesses running Google Ads. Pure client-side.
Google Ads Budget Recommender
Calculate the right Google Ads daily/monthly budget based on your target cost per lead, close rate, and average job value — see projected leads, jobs, and ROI.
Client Testimonial Collection Form Generator
Customer Health Score & Churn Risk Predictor
Score customer health and predict churn risk for HVAC, plumbing, roofing, and other service businesses — based on tenure, frequency, value, recency, payment history, and responsiveness.
Google Ads Quality Score Predictor
Predict your Google Ads Quality Score (1-10) and see how it impacts CPC + CPA — with prioritized optimization recommendations.
PPC Keyword Bid Optimizer
Calculate the optimal CPC bid for your Google Ads keywords based on conversion rate, average order value, target ROAS, and competitor bid data. Shows max CPC for target ROAS, profit-per-click, break-even CPC, and bid recommendations vs competitors.
📊 Email Subject Line A/B Test Calculator
Determine if your subject line A/B test has a real winner — two-proportion z-test with confidence intervals, required sample size, and a plain-text report. Pairs with Subject Line Tester (#55) for the full send-grade workflow. Pure offline.
⚖️ Affiliate Link Disclosure Validator
FTC compliance scanner for content with affiliate links. Detects whether your page has a clear-and-conspicuous disclosure, places it BEFORE the first affiliate link, and uses approved phrasing. Directly serves affiliate pages (Amazon, ShareASale, Impact, etc.) and the 22-site affiliate mesh. Pure offline.
💵 Affiliate Revenue Calculator
Project monthly + annual revenue from your affiliate portfolio. Per-program calculator (commission, cookie window, EPC), portfolio roll-up with diversification flags, and a $100 → $1M mission planner. Pure offline.
📧 Email Deliverability & Spam Score Tester
Paste your subject line + body + SPF/DKIM/DMARC records. Get a 0-100 deliverability score with letter grade, severity-graded findings, and prioritized fixes. Detects 30+ spam trigger words, ALL-CAPS, excessive punctuation, suspicious TLDs, and validates authentication-record syntax. Pairs with the Email Subject Line A/B Test Calculator (#116) and Email Header Parser (#59).
📬 Cold Email Outreach Sequence Generator
Generate multi-step cold email sequences (intro → value → social proof → break-up) with subject lines, body copy, follow-up spacing, and deliverability guardrails. Get a 0-100 quality score that catches spam triggers, missing personalization, and overly long copy before you hit send. Pure offline.
🎁 Lead Magnet Outline Generator
Generate a complete lead-magnet blueprint in under a minute — pick the magnet type, plug in audience pain + promise, and get a title, sub-promise, section outline, lead-capture form spec, landing-page hero copy, and a 3-email follow-up sequence. 0-100 quality score with letter grade. Pure offline.
📈 CRO Calculator
Estimate the revenue impact of conversion rate improvements. Calculate monthly lift, payback period, and 12-month ROI. Perfect for evaluating landing page tests, checkout redesigns, and CRO experiments. No data leaves your browser.
💰 LTV:CAC Ratio Calculator
Calculate the unit economics of your customer-acquisition business: LTV (lifetime value), CAC (customer acquisition cost), the LTV:CAC ratio, and CAC payback period. Pure client-side math with NPV discounting for rigorous SaaS analysis. No data leaves your browser.
📊 Cohort Retention Analyzer
Visualize user retention as a heatmap. Enter cohort sizes + retention rates — see color-coded retention curves, average retention, best/worst cohorts, and LTV impact of retention changes. No data leaves your browser.
📉 Funnel Drop-off Analyzer
Find your biggest conversion bottleneck. Enter users at each funnel step — see step-by-step conversion rates, visual funnel chart, and exactly where you're losing people. No data leaves your browser.
🔄 Customer Retention Economics Calculator
Quantify how much revenue you're losing to churn — and what it's worth to reduce it. Enter your current churn rate, target churn, and retention program cost to get break-even analysis, ROI, payback period, and a sensitivity table across 5 scenarios. No data leaves your browser.
⚡ Lead Response Time Calculator
How much revenue are you losing to slow lead response? Research from MIT and InsideSales.com shows that contacting a lead within 5 minutes makes you 21x more likely to qualify them than waiting an hour. Enter your current response time, lead volume, and close rate to see the revenue impact of getting faster. No data leaves your browser.
📊 Lead Source Attribution Modeler
Allocate closed-deal credit across multiple lead sources using 4 industry-standard attribution models (First-Touch, Last-Touch, Linear, U-Shaped). Built for service companies (HVAC, plumbing, roofing) where multi-touch journeys dominate. Pure client-side.
\U0001f517 Customer Referral Program ROI Calculator
Calculate the return on investment of a customer referral program for your service business. Compare referral revenue vs reward costs, CAC savings, and break-even point. Pure client-side.
\U0001f4ac Customer Satisfaction Survey Generator
Generate post-service CSAT/NPS surveys for HVAC, plumbing, roofing, and other service businesses. Pick your goal (NPS measurement, CSAT, testimonials, or reviews) and channel (SMS/email), and get a ready-to-send survey with branching logic. Pure client-side.
Google Ads Impression Share Loss Analyzer
Analyze your Google Ads impression share loss — split into lost-to-budget vs lost-to-rank. Calculate the bid increase and budget increase needed to hit your target impression share, with projected ROI.
Google Ads Negative Keyword Finder & Deduplicator
Analyze your Google Ads keyword list to find duplicates, near-duplicates, and suggest negative keywords. Paste your keywords + search terms to identify wasted spend and improve campaign efficiency.
Google Ads Conversion Tracking & Attribution Audit
Audit your Google Ads conversion tracking setup + compute attribution accuracy. Identifies missing tags, broken UTMs, model misconfiguration, and wasted spend on untrackable conversions.
Google Ads RSA Builder & Quality Scorer
Build and score Responsive Search Ads (RSA) with 15 headlines + 4 descriptions. Evaluates keyword inclusion, length optimization, diversity, and gives a 0-100 quality score with actionable improvement tips.
Google Ads Landing Page Quality & Relevance Scorer
Score your landing page on the factors Google Ads uses for Quality Score — page speed, mobile UX, keyword relevance, trust signals, CTA clarity. 0-100 score with letter grade + prioritized improvement tips.
Google Ads Audience Targeting Recommender
Get a data-driven audience targeting strategy for Google Ads — recommends In-Market, Affinity, Demographic, Life Event, and Custom Intent segments with bid adjustments and estimated reach for your service business.
Google Ads Attribution Path Visualizer
Visualize your customer's multi-touch journey across Google Ads and organic channels — compare first-touch, last-touch, linear, and time-decay attribution models, see which sources drive assisted conversions, and get budget reallocation recommendations.
Google Ads Asset Library Performance Analyzer
Analyze performance of your Google Ads assets — images, videos, sitelinks, callouts, structured snippets, price & promotion extensions. Score each asset by CTR, conversion rate, cost-per-conversion, and ROAS. Flag underperformers, highlight winners, and get actionable optimization recommendations.
Meta Ads Creative Fatigue Analyzer
Detect creative fatigue in your Meta (Facebook/Instagram) ad campaigns — analyze frequency trends, CTR decay, CPC inflation, and conversion rate drops. Score each creative by fatigue level and get actionable rotation recommendations before your ROAS tanks.