Free HS Code, Tariff & Customs Document Tools for Ecommerce Catalogs
Find candidate HS codes, check missing country of origin, estimate duty inputs, and prepare customs document drafts for Shopify, WooCommerce, Amazon, and CSV product catalogs.
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Start with a safer customs workflow
Find candidate HS codes, check low-value shipment assumptions, estimate duty inputs, and prepare draft documents before shipment.
Six free tools to prepare customs data
HS Code Finder
Find candidate HS codes with confidence labels and verification questions for review before filing.
De Minimis Calculator
Check whether a low-value shipment may qualify for simplified duty treatment based on destination rules.
CN22 / CN23 Generator
Prepare postal customs declaration drafts with item tables, readiness checks, and printable previews.
Import Duty Calculator
Estimate customs value, base duty, additional tariff, VAT, fees, and total import cost.
Commercial Invoice Generator
Build a commercial invoice draft with HS code, origin, Incoterms, line items, and PDF export.
HS Code Validator
Check whether an HS code is structurally valid, complete enough for official lookup, and ready for review.
Prepare product catalogs before shipping
Upload a product CSV, map SKU, product title, country of origin, and HS code fields, then review candidate HS codes, confidence labels, missing origin fields, and weak descriptions before preparing duty estimates or document drafts.
- Supports Shopify, WooCommerce, Amazon, and custom CSV exports
- Candidate HS code suggestions per SKU
- Flags missing country of origin and weak descriptions
- Designed for catalog-first customs data checks
Estimate tariff and duty inputs before you quote
Use customs value, base duty, additional tariff, VAT or import tax inputs, fees, and delivery terms to prepare estimate-only landed cost and DDP planning outputs before quoting or shipping.
- Base duty + additional tariff + VAT or import tax
- Customs value basis: FOB, CIF, or manual
- Low-value and Section 301 review workflows
- Landed cost and DDP planning outputs
Generate customs document drafts for review
Prepare commercial invoice, proforma invoice, packing list, and CN22/CN23 draft data with HS code, country of origin, Incoterms, line items, quantity, value, and printable PDF preview support.
- Commercial invoice and proforma invoice drafts
- Packing list draft support
- CN22/CN23 postal form helper
- Printable PDF previews for review
Works with common catalog sources
- Shopify
- WooCommerce
- Amazon
- Custom CSV
- Manual Product List
Guides
Guides for customs data decisions
Read practical guides before choosing HS codes, declaring value, preparing invoices, or selecting postal customs forms.
Find HS Code
Learn how to narrow a product to candidate HS headings using function, material, use case, and destination-market checks.
Risk reviewWrong HS Code
Understand what can happen when an HS code is incomplete, too broad, or not verified before shipping.
Catalog dataShopify HS Code & Origin
Check where HS code and country of origin fields appear in product exports before creating labels or invoices.
Duty estimateImport Duty Calculation
Review how customs value, base duty, additional tariff, VAT or tax, and handling fees affect estimate-only duty results.
ValuationCustoms Value vs Declared
Compare declared value, invoice value, FOB basis, CIF basis, and customs value inputs before calculating duty.
Postal formsCN22 vs CN23
Decide when a postal parcel may need CN22, CN23, or a commercial invoice and carrier customs data instead.
Ready to prepare your customs data?
Start with free calculators, CSV catalog checks, and document draft helpers.