Hex para ASCII

public static String HexaParaString(String textoInicial){
		
		StringBuilder textoFinal = new StringBuilder();
		
		for(int i = 0; i < textoInicial.length(); i += 2){
			
			String saida = textoInicial.substring(i, (i + 2));
    		int decimal = Integer.parseInt(saida, 16);
    		
    		textoFinal.append((char)decimal);		
		  }
    	   
    	return textoFinal.toString();    	 
	 }

public static void main(String[] args) {	
		
		String hex = "687474703a2f2f7777772e796f75747562652e63" +
				     "6f6d2f77617463683f763d6a70534e49456a596c" +
				     "477726666561747572653d72656c61746564";		
			
		System.out.printf(HexaParaString(hex));				
	}