BULK66ONE CODE. MANY POSSIBILITIES.
Code 39 Barcode Generator
Create Code 39 labels for parts and inventory references.
WORKSPACE
QR Code
Presets save design and sheet settings on this browser, without your content or logo.
Enter content to see your barcode.
Screen verification is not print certification. Test a printed sample at actual size. Transparent codes must be placed on a light background. JPG and PDF use white behind transparency.
ONE CODE, MULTIPLE COPIES
Label Sheet Creator
Uses the current barcode, at its exact physical size. No bulk data or CSV imports.
Print at 100% / Actual size. Disable browser headers, footers and “Fit to page”. Printer non-printable edges vary.
READ A CODE
Barcode Scanner
QR, retail, industrial and common 2D codes. Postal formats are not supported by this reader.
Camera requires browser permission and a compatible secure context. If unavailable, select an image instead.
Choose an image or start your camera.
Your content stays in your browser.
Validated inputs, quiet zones and scan checks.
Physical sizes, precise sheets and local exports.
Formats, printing & privacy
Generated symbols do not assign GS1 numbers, postage or carrier tracking credentials. Specialist postal, carrier and bank-payment schemes are not included. “Healthcare” encodes GS1 or HIBC data; it does not certify regulatory compliance. No CSV imports, bulk generation or ZIP exports are included. Read the guide.
How to use Code 39 Barcode Generator
- Select the tool and enter your content in the workspace. Correct any validation errors.
- Adjust dimensions and appearance while keeping sufficient contrast and clear space around the symbol.
- Scan-verify supported codes, then download your preferred format or arrange copies on a printable sheet.
What to know before you start
Use supported uppercase letters, digits and Code 39 punctuation. Long references produce wider symbols; keep the quiet zones clear.
Frequently asked questions
Does a valid symbol guarantee a successful scan?
No. Printed size, contrast, surface quality and reader compatibility matter. Preserve quiet zones and proportions, and test the final exported or printed code on your intended device.
Are my files uploaded to BULK66?
No. The tool processes files and generates downloads in your browser. Generated files can be downloaded to your device. Save your output before closing the page.