Convert hexadecimal strings like 41
, 48656C6C6F
into ASCII characters like A
or Hello
instantly.
ASCII (American Standard Code for Information Interchange) is a character encoding standard that represents text in computers. Each character (like A, B, 1, !) is assigned a unique numeric code from 0 to 127.
Hexadecimal (base-16) is a numbering system that uses 16 digits: 0–9 and A–F. Each pair of hex digits represents one byte (8 bits), which often corresponds to one ASCII character.
48656C6C6F
→ 48 65 6C 6C 6F
).48
→ 72
).72
→ H
).Hex | Decimal | ASCII | Description |
---|---|---|---|
41 | 65 | A | Uppercase A |
61 | 97 | a | Lowercase a |
30 | 48 | 0 | Digit Zero |
20 | 32 | (space) | Space character |
21 | 33 | ! | Exclamation mark |
3F | 63 | ? | Question mark |
0A | 10 | ↵ | Newline (LF) |
1A | 26 | ␚ | Substitute (non-printable) |