Developer Reference

ASCII Control Codes

Reference for non-printable ASCII control characters (0-31) like NULL, BELL, LF.

ASCII (American Standard Code for Information Interchange) is a character encoding standard for electronic communication. The first 32 characters are control codes that control peripherals like printers.

Control

Null character.
0
Bell (alert).
7
Tab.
9
New Line.
10
Carriage Return.
13

Printable

Space character.
32

While less common in modern web dev, knowing codes like Line Feed (10) and Carriage Return (13) is vital for parsing legacy data formats.