Tools

Free Shopify tools.

Analyze and optimize Shopify stores — detect themes and apps, optimize product images for faster loading, and reverse-engineer what successful stores are running.

Shopify App Detector

Discover which apps, plugins, and integrations any Shopify store is running — including email, reviews, subscriptions, upsells, chat, and analytics tools.

Detect apps

Shopify Theme Detector

Find out which Shopify theme any store is using — including the theme name, schema version, and theme store ID. Works on any public Shopify storefront.

Detect theme

Shopify Product Image Size Guide

Learn the best Shopify product image dimensions and convert images to WebP format. Complete guide with free optimizer tool to resize and optimize product photos for faster stores.

Read guide & optimize images