GTIN to ASIN converter free

we do not directly convert GTIN to ASIN number. However,
as GTIN in many times is identical to EAN number of UPC number you may try our EAN to ASIN converter or UPC to ASIN converter. Note:
If your GTIN number is 12 digits long try the UPC converter.
If your GTIN number is 13 digits long try the EAN converter.
If your GTIN number is less than 12 digits long use the UPC converter and pad the number with zeros (in the begining of the GTIN number).