Hex

0x indicates a hexadecimal code. Each byte is represented by two digits:

Hexadecimal Digit (Hex)
0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

Decimal Value
0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

If 0x is followed by four or more digits, interpret each pair separately. If you want to input bytes in Notepad, you have to convert hex to decimal. You can do it with your Windows Calculator in Scientific mode.

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Hexadecimal Digit (Hex)	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
Decimal Value	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15