Free Shopify Diagnostic & CRO Tools
Lightweight, interactive browser utilities to diagnose revenue leaks, inspect third-party script overhead, generate CAPI payloads, and QA your checkout flow. 100% free, no signup required.
Checkout Revenue Leak Calculator
Calculate how much annual revenue and ad spend your store loses from cart drawer freezes, script crashes, and checkout latency.
Meta CAPI & Pixel Deduplication Generator
Generate matching event_id and SHA-256 hashed CAPI JSON payloads for Shopify Liquid, Web Pixels sandbox, and custom backend webhooks.
Shopify App Script Bloat & 429 Estimator
Estimate your Shopify storefront Total Blocking Time (TBT) penalty and HTTP 429 rate limit risk from third-party app scripts.
Pre-Flight Checkout QA Checklist
14-point interactive checkout verification checklist for Shopify Plus stores, agency QA teams, and BFCM launches.
Want all these diagnostics automated on your live store?
Checkout Detective's Chrome DevTools extension monitors the 5-stage funnel state machine, catches client-side JavaScript crashes, and audits pixels in real time.
Compatible with Google Chrome, Brave, Microsoft Edge, and Opera. No credit card required.