GTIN and duplicate barcode validator
Paste up to 5,000 barcode values. Check lengths, check digits, Google prefix rules, and duplicates locally.
Open GTIN validatorMerchant resource center
Shopify product data guides and checklists
Start with the exact job: map Merchant Center product-data fields to Shopify, enrich a large catalog, validate GTINs, check image requirements, or prepare a product-feed cleanup without giving write access.
Free browser tools
Check high-risk catalog fields without uploading them
Shopify product image size checker
Check up to 250 public image URLs against Google's upcoming 500 x 500 requirement and export the evidence.
Open image checkerMerchant Center error checker
Paste common issue messages and get source-backed Shopify fix locations and verification steps locally.
Diagnose an error15-minute catalog preflight
Shopify Product Data Checklist: Feed Readiness
A practical Shopify catalog checklist for titles, descriptions, taxonomy, identifiers, variants, media, SEO fields, and policy clarity.
7 min read
Open guideFrom thin listings to useful product records
Shopify Product Data Enrichment Guide
A practical Shopify product data enrichment workflow for categories, metafields, identifiers, variants, images, price, availability, and Shopify Plus catalog operations.
8 min read
Open guideIdentifier cleanup without guesswork
Shopify GTIN Guide: Barcodes, SKUs, MPNs and Variants
Understand the difference between GTINs, barcodes, SKUs, MPNs, and brands before cleaning up Shopify product identifiers.
8 min read
Open guideFree downloadable preflight
Merchant Center Product Data Checklist for Shopify
Map Google Merchant Center product data specification fields to Shopify, then verify IDs, GTINs, titles, images, price, availability, variants, and landing-page data.
8 min read
Open guideGoogle image deadline preflight
Shopify 500 x 500 Image Readiness Guide
Find Shopify product images that may be affected by Google's 500 x 500 minimum-resolution enforcement beginning January 31, 2027.
6 min read
Open guideTroubleshooting an exact Merchant Center message?
Use the source-backed Shopify fix library for GTIN, price, availability, crawl, and image errors.
From checklist to worklist
The guides help you inspect a few products manually. FeedSnapshot applies the same practical discipline across a Shopify sample and turns repeated gaps into a prioritized report.
Read-only Shopify product access
Explainable field-level findings
Exportable cleanup worklist
Install free and scan the catalog