Serial Number Manager
Serials, Labels & Return Verification
Shopify tracks inventory by variant — not by physical unit. Serial Number Manager generates barcodes, assigns them at packing, verifies returns, and calculates warranty status.
"Which unit came back?"
Serials from generate to return.
How It Works
Four steps. Fulfillment stays native.
Generate
Enable serialization per variant, set a prefix, and generate unique barcode batches.
Label
Download Code128 PDF labels or CSV exports. Reprint anytime without creating new serials.
Assign
Scan serials onto order lines during packing. Missing assignments show as warnings, not blockers.
Verify
On return, confirm the serial matches the order history. Restock for reuse or retire it.
Built for Ops Teams
Everything you need for unit-level traceability.
Unique Serials
Shop-scoped unique barcodes with optional prefix. Collision-safe generation.
Packing Workflow
Scanner-first assignment on orders. See assigned, missing, and shipped counts at a glance.
Order Admin Block
Serial status right on the Shopify order page — without leaving Admin.
Return Verification
Match returned serials to order history. Restock for reuse or retire permanently.
Warranty Status
Calculate warranty from ship date and variant warranty settings.
Lookup & Audit
Find any serial or order. Full event timeline for assignments, shipments, and returns.
Lifecycle Tracking
available → assigned → shipped → returned → restocked or retired. History stays intact.
PDF & CSV Labels
On-demand label files. No permanent PDF storage — regenerate from batch records anytime.
Non-Blocking
We warn when serials are missing. Shopify fulfillment and returns keep flowing.
Simple, Transparent Pricing
One plan. Start with a free trial.
Unlimited
- Serial generation, labels & packing assignment
- Return verification, lookup & order admin block
- Billed monthly through Shopify
Know every unit that ships; and returns.
Install Serial Number Manager and start serializing with a 7-day free trial.
Install Serial Number Manager