Free tools
Tools for customs paperwork
Quick checks you can use without an account.
HTS code lookup
Validate a US tariff number against the current HTSUS, see units and the general rate, or search by product.
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MID code generator
Build the CBP manufacturer identification code from the manufacturer's name and address.
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Container check digit
Validate container numbers with the ISO 6346 check digit, or calculate the missing digit.
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Check the whole shipment, not one number
FreightProof reads the invoice, packing list and bill of lading together, validates every HTS number and container, builds the MIDs and flags what does not match — in about two minutes.