I wrote some functions including UTF-8 conversion Func _URIEncode($sData) ; Prog@ndy Local $aData = StringSplit(BinaryToString(StringToBinary($sData,4),1),"") Local $nChar $sData="" For $i = 1 To $aData[0] ; ConsoleWrite($aData[$i] & @CRLF) $nChar = Asc($aData[$i]) Switch $nChar Case 45, 46, 48 To 57, 65 To 90, 95, 97 To 122, 126 $sData &= $aData[$i] Case 32 $sData &= "+"