Free Code39 Barcode Generator - Online Code39 production Tool

Barcode Configuration

Batch Generate

Barcode Type

Barcode Data

Size Settings

Width 1-30

Height 1-200

DPI 72-800

Margin 1-20

Font Selection

Font Size 1-200

Font Alignment

Hide Text

Output Settings

Rotation Angle

Barcode Number Position

Output Format

Barcode Color

Background Color

📍 Top Text Settings

Top Line 1

Font

Font Size

Alignment

Position Adjustment 0

Up Down

Top Line 2

Font

Font Size

Alignment

Position Adjustment 0

Up Down

Top Line 3

Font

Font Size

Alignment

Position Adjustment 0

Up Down

📍 Bottom Text Settings

Bottom Line 1

Font

Font Size

Alignment

Position Adjustment 0

Up Down

Bottom Line 2

Font

Font Size

Alignment

Position Adjustment 0

Up Down

Bottom Line 3

Font

Font Size

Alignment

Position Adjustment 0

Up Down

Add Checksum

Checksum is optional and used to improve barcode reading accuracy

Preview↓↓

Size: Calculating...mm × Calculating...mm (including margin 5px) Barcode with text: Calculating...mm × Calculating...mm

Code39 Description

Free online Code 39 barcode generator. Code 39 is a self-checking barcode that can represent numbers, letters, and special characters, widely used in industrial and commercial applications. Select CODE39 type, enter barcode number, generate, then download or print.