Free tools
Authentication tools
Free decoders and checkers for the most common authenticity codes. Remember: a valid code is never proof on its own – replicas copy valid codes.
Louis Vuitton Date Code Decoder →
Factory, country and production date from the heat-stamped code – plus format red flags.
Chanel Serial Number Decoder →
Series and production years from the 7–8 digit sticker serial, up to the 2021 microchip switch.
Rolex Serial Number Lookup →
Production era from letter-prefix and numeric serials; what random serials mean after 2010.
Nike Style Code Checker →
Validate the Style # format, decode the colorway suffix, and match tag against box.
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