About Code-39 Full ASCII
Code 39 Extended uses character pairs to represent the full ASCII set including lower-case letters and punctuation. The scanner must support Full ASCII mode.
Data format
Any ASCII characters (0–127).
Example: Code-39 abc
Linear Codes
One-dimensional barcodes consist of parallel bars and spaces of varying width. They are the industry standard for logistics, warehousing, inventory, tickets and product marking, readable by any laser or camera scanner.
Frequently asked questions about Code-39 Full ASCII
Is the Code-39 Full ASCII generator really free?
Yes. You can create as many Code-39 Full ASCII barcodes as you like and download them as PNG or SVG – no registration, no watermark, commercial use included.
What resolution does the Code-39 Full ASCII barcode have?
PNG files are generated with adjustable module width and up to 600 DPI. For print we recommend the lossless SVG vector format which scales without any quality loss.
Is my data stored?
No. The barcode content is only processed to render the image and is not stored. We only count anonymously how often a barcode type is used.
Can I embed Code-39 Full ASCII barcodes in my website or software?
Yes. Every barcode has a stable image URL (see “Embed HTML”) which you can use in websites, label software or spreadsheets.