Shopify Theme Detector
Free Chrome extension that instantly detects which Shopify theme and apps any store is running. Perfect for e-commerce research and competitor analysis.
Wondering what theme that high-converting Shopify store is running? Or which apps they have installed? Shopify Theme Detector answers both questions in seconds. It runs a MAIN world script to access the window.Shopify object directly — the most reliable detection method available. It identifies the theme name, ID, and role, then scans script sources and DOM patterns to detect over 50 common Shopify apps including Klaviyo, ReCharge, Yotpo, Gorgias, and more. Copy the full results as JSON for your records. Works on any Shopify store.
Key Features
Everything you need to maximize your productivity and workflow.
Theme Detection
Identifies the theme name, ID, and role directly from window.Shopify — no guesswork.
App Detection
Scans for 50+ common Shopify apps including Klaviyo, ReCharge, Yotpo, and Gorgias.
Copy as JSON
Export the full detection results as formatted JSON with one click.
CDN Fallback
Falls back to scanning CDN URLs when window.Shopify isn't directly exposed.
Instant Results
Detection runs in the MAIN world — results appear in under a second.
No Data Collection
Everything runs locally. No stores scanned are logged or transmitted.
How to use Shopify Theme Detector
- 1
Add Shopify Theme Detector to Chrome from the Chrome Web Store.
- 2
Open any Shopify store.
- 3
Click the extension to see the theme name, ID, and role.
- 4
Check the list of detected apps, from 50+ common ones like Klaviyo and ReCharge.
- 5
Copy the results as JSON to save or share them.
Shopify Theme Detector vs the alternatives
Other ways to do the same job, and where each one fits.
Viewing the page source
Search the source for Shopify.theme to find the theme, which takes a few minutes per store.
Theme detector websites
Paste in a store address, but open another site each time.
Wappalyzer
Detects many technologies across all kinds of sites, with less Shopify theme detail.
Shopify Theme Detector guides
How-tos and explainers from the blog.
How to Find What Shopify Theme and Apps a Store Is Using
Curious what theme and apps power a successful Shopify store? Here's how to detect them instantly.
How to Spy on Competitor Shopify Stores for Free
Learn what themes, apps, and strategies your Shopify competitors are using — all for free using browser-based detection tools.
How to Find Out What Shopify Theme Any Store Is Using
You found a Shopify store with a design you love. Here's how to find out exactly what theme they're running without guessing or asking.
Detect Shopify Apps and Plugins on Any Competitor Store
What apps is your competitor running? Reviews, upsells, chat, loyalty programs — most of it is detectable. Here's how to find out.
How to Reverse Engineer a Shopify Store Design You Like
Found a Shopify store with a design you want to replicate? Here's how to identify every component, from theme to apps to font choices.
Find the Best Shopify Themes by Checking What Successful Stores Use
Theme reviews are written by buyers. Real-world usage by high-converting stores is more useful signal. Here's how to research themes that way.
Visual Showcase
See Shopify Theme Detector in action across different contexts.
Shopify Theme Detector
Theme name, ID, and 50+ app detections — all in one popup.
Frequently Asked Questions
Everything you need to know about Shopify Theme Detector.
Does it work on all Shopify stores?
Yes. It uses window.Shopify as the primary detection method and falls back to CDN URL scanning, so it works on virtually all Shopify stores including headless setups.
How accurate is app detection?
It detects 50+ apps by scanning script sources, DOM patterns, and global variables. Results are indicative — some apps may not be detected if they're heavily customized.
Can I export the results?
Yes. Click "Copy as JSON" in the popup to copy the full detection results including theme and app list to your clipboard.
How do I find out what Shopify theme a store is using?
Open the store and click Shopify Theme Detector. It reads the theme name straight from the store.
Why does it show a custom theme name?
Stores can rename themes or build custom ones. The theme ID and detected apps still help you research the store.
Ready to Get Started?
Shopify Theme Detector is free, installs in seconds, and has no account to sign up for.
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