Business, Finance & Legal
GS1 Assistant
Assign UPC and EAN barcodes from your own GS1 Company Prefix without leaving Shopify
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- Votes
- 0
- DR (Ahrefs)
- 45 no change since last check
Domain Rating by Ahrefs, checked 4 Oct 2026, changed 4 Oct 2026.
Overview
Assign, manage, and validate GTIN, UPC and EAN barcodes inside Shopify using your own GS1 Company Prefix.
Q&A
- Do I need a GS1 Company Prefix before I install?
- Yes. GS1 Assistant uses your GS1 Company Prefix to assign valid barcodes. The app does not sell or generate its own codes. If you don't have a prefix yet, you can purchase one from your local GS1 member organization, or US merchants can purchase directly through the app.
- Will this fix my Amazon or Google Shopping GTIN rejections?
- If rejections are caused by invalid or missing GTINs, yes. GS1 Assistant assigns codes from your GS1 Company Prefix and validates them against GS1's database. Amazon and Walmart verify identifiers against GS1's data, which is where resold numbers get caught.
- What's the difference between UPC, EAN, and GTIN?
- They are the same numbering system at different lengths. UPC is 12-digit for North America. EAN is 13-digit for Europe and global use. GTIN is the umbrella term. GS1 Assistant handles all of them.
- Does it work with GS1 organizations outside the US?
- Yes. GS1 Assistant has direct API integration with GS1 Germany, Sweden, Netherlands and Brazil for automatic product synchronization. For other regions, you can download a ready-to-upload file in your GS1 organization's import format.
- What happens to my barcodes if I uninstall the app?
- GTINs that GS1 Assistant has already assigned stay in your Shopify barcode fields. Uninstalling the app does not remove or change your product data.
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Key features
- GTIN Manager Dashboard
- Bulk & Auto Assign
- Real-Time GS1 Verification
- Ready-to-Upload Export Files
- Duplicate & Error Detection
- GS1 Registry Connection
- Existing barcode validation
Pricing
Free plan with 20 GTIN assignments. Basic plan at $4.99/month (500 assignments) or $49.99/year. Pro plan at $11.99/month (unlimited assignments) or $110/year.
GS1 Assistant has a free listing. The owner can unlock the full profile with a paid launch for $5, or with the Enhanced profile add-on for $9:
- Founder story (locked)
- Milestones (locked)
- Screenshots and demo video (locked)
- Dofollow website link (locked)
- Comparisons (locked)
Link metrics
Majestic link data for leftfootsoftware.com; the arrow is the change since the previous check.
- Trust Flow
- 18
- no change since last check
- Citation Flow
- 34
- no change since last check
- Referring domains
- 1,931
- no change since last check
- External backlinks
- 2,042
- no change since last check
Top topic: Computers/Internet/Web Design and Development (18). Checked 4 Oct 2026, changed 4 Oct 2026. Link data by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
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