Code 93 Symbology Introduction
Code 93 Overview

Code 93 is the compressed form of Code 39. Some symbologies have a limitation over the length of data. Being similar to Code 39, Code 93 is not one of them. The data encoded by Code 93 has no limitation over the length.

The characters encoded by Code 93 is alphanumeric - Code 93 encodes numeric characters, alphabetical characters. Several punctuation remarks are also encodable by Code 93.

The asterisk character (*) is used at both ends of the data as the start and stop character. The asterisk characters will not be transmitted by decoder.

Code 93 includes two checksum digits - checksum C and checksum K. The checksum K comes after C. The two stands between the last data character and the stop character.

KeepAutomation Code 93 Related Product

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.NET Component that generates Code 93 for Windows and Web Applications

.NET Code 93 Generator for Winforms -

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.NET Code 93 Generator for ASP.NET -

An ASP.NET SDK to Code 93 barcode image in ASP.NET projects

Java Code 93 Generator -

Java Class Library that is used for Code 93 bar code image generation in Java

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Android development tool to make Code 93 in Android Apps

Code 93 Data Encoding Instruction

Code 93 Character Set

Character Set Types: Alphanumeric

Character Set Breakdown:
  • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

  • Uppercase letters (A - Z)

  • Lowercase letters (a - z)

  • -(Dash), $ (Dollar), % (Percentage), (Space), . (Point), / (Slash), + (Plus)

Code 93 Data Length

Data Length Types: Variable-length

Code 93 Structure Introduction

  • Left Quiet Zone

  • Start Character: one asterisk character (*)

  • Encoding Data: any length of characters within the character set of Code 93

  • Checksum C

  • Checksum K

  • Stop Character: one asterisk character (*)

  • Termination Bar

  • Right Quiet Zone