Ben Nadel • 12/9/2025

Converting HTTP Header Values To UTF-8 In ColdFusion

This technical article details a solution for handling character encoding issues with HTTP headers in ColdFusion. It addresses a problem where Cloudflare's geo-location headers (CF-IPCity, CF-Region) are encoded in ISO-8859-1 instead of UTF-8, causing incorrect display of special characters. The post provides a CFML script using `charsetDecode` and `charsetEncode` functions to convert these values to UTF-8, complete with a practical test example.

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#character encoding #http headers #coldfusion