---
title: Free Shopify Tools: Address, Theme & App Detectors
description: Seven free tools for Shopify merchants. Validate a shipping address, detect any store's theme and installed apps, and search the Global Catalog. No signup.
canonical: https://tacey.app/tools
---
# Free Shopify Tools: Address, Theme & App Detectors

Free tools for Shopify merchants. No signup, no account, nothing to install.

- [Address Validator](/tools/address-validator): Paste a shipping address. See whether it is deliverable, and what the correction would be.
- [Address Type Detector](/tools/address-type-detector): PO Box, freight forwarder, commercial or residential, and which carriers actually serve it.
- [Agentic Readiness Audit](/tools/agentic-readiness-audit): The 22 fields an AI shopping agent reads before it will recommend you, scored 0 to 100.
- [App Stack Detector](/tools/shopify-app-stack-detector): Paste any Shopify URL. See every app it runs, across reviews, email, loyalty and 14 more categories.
- [Theme Detector](/tools/shopify-theme-detector): Paste a storefront. Find out which Shopify theme it runs, and which version.
- [Sales Activity Estimator](/tools/shopify-sales-estimator): A directional read on how busy a Shopify store is, from public catalogue data only.
- [Universal Product Lookup](/tools/universal-product-lookup): Paste a product name or URL. See who else sells it across Shopify, and at what price.