When to choose Code 39
Pick Code 39 when an existing system or contract requires it (automotive AIAG labels, US Department of Defense LOGMARS). For new projects, Code 128 is more compact.
Code 39 barcode generator
A classic self-checking barcode still required by many industries, government agencies and ID systems.
Content
FreeLogo
Logo QRColors
Brand QRShape
Brand QRDot style
Corner frame
Corner center
Advanced
Higher error correction lets the code survive damage and logos, but makes it denser. Auto uses H when a logo is added.
Code type
FreeLayout
FreeColors
Brand QRFrequently asked questions
Does Code 39 support lowercase letters?
Standard Code 39 encodes uppercase letters only. Use Code 128 if you need lowercase.
More free generators
Simple pricing. Cancel anytime.
Black codes are free forever. Upgrade for your logo and brand look. If you cancel, every code you made keeps working.
Free
$0.00
Classic black-and-white codes, ready to print.
- QR codes for links, Wi-Fi, contacts, SMS and more
- 10 downloads a day with a free account
- 30+ barcode and 2D code types in black
- PNG up to 1024 px, scan-tested
Logo QR
$4.25 /month, billed $50.99 yearly
$5.99 /month
Your logo in the center of a crisp black code.
- Upload PNG, JPG, WebP or SVG logos
- Automatic high error correction
- PNG up to 4096 px for print
- No ads, unlimited downloads
Most popular
Brand QR
$8.50 /month, billed $101.99 yearly
$10.99 /month
Your full brand look on QR codes and barcodes, with print-ready vector files.
- Everything in Logo QR
- Solid and gradient colors, custom corners
- 6 dot styles, round QR, transparent background
- Colored barcodes and 2D codes
- SVG, JPG and WebP export
Prices in USD; your local currency may be shown at checkout. Subscriptions renew automatically until cancelled. All payments are non-refundable. Codes you created keep working after you cancel.