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Aztec barcode generator
2D code used on airline and railway tickets. Readable even with little margin.
Terms of use: this site only turns the data you type into a barcode; it does not create, verify, register or store that data, and nothing is sent to any server. The content you enter and the use of the generated barcodes are solely the user's responsibility, including the right to use GTIN/EAN numbers (licensed by GS1), the accuracy of the information and compliance with applicable law. Links with dangerous schemes and typical attack patterns (scripts, SQL injection) are blocked, but this does not replace your own checks. By using the generator you accept these terms.
Preview
PDF and AI are vector files in CMYK, with black as C0 M0 Y0 K100. PNG, JPG and SVG are RGB.
Test every barcode before use. The user is solely responsible for the accuracy of the barcode.
Aztec specification
Aztec Code is a 2D code with a square "bullseye" at its center, created in 1995. Because it is read from the center, it needs no quiet zone. It is used on airline and railway tickets and on patient wristbands.
Content types: text, link, phone, SMS, e-mail, Wi-Fi, location, contact (vCard or MeCard) and bookmark.
Capacity: up to 3,832 digits, 3,067 alphanumeric characters or 1,914 bytes. Sizes from 15×15 to 151×151 modules.
Error correction configurable from 5% to 95% of capacity; the recommended default is 23%.
Text with accents carries the ECI indicator of the chosen encoding (UTF-8 or ISO-8859-1).
How to use
Type the content. To create several barcodes, put one per line.
Adjust size, height, margin and colors. The preview follows every change.
Download each barcode in the format you need, or all of them as a ZIP.
In PDF, SVG and AI the size is set by the module X — the width of the narrowest bar, in millimetres. The default for this symbology is 0.5 mm. PNG and JPG use the chosen pixel resolution. If your printer warns about ink spread, increase the bar width reduction.
Frequently asked questions
What is a Aztec barcode?
Aztec Code is a 2D code with a square "bullseye" at its center, created in 1995. Because it is read from the center, it needs no quiet zone. It is used on airline and railway tickets and on patient wristbands.
What can a Aztec barcode contain?
Content types: text, link, phone, SMS, e-mail, Wi-Fi, location, contact (vCard or MeCard) and bookmark.
How do I create a Aztec barcode for free?
Type the data in the generator on this page, adjust size and colors, and download the barcode as PNG, JPG, SVG, PDF or Adobe Illustrator (AI). PDF and AI are vector files in CMYK with 100% K black, ready for print. Everything runs in your browser: nothing is uploaded and no sign-up is needed.
What size should a printed Aztec barcode be?
The vector size is defined by the module X (narrowest bar). This generator uses 0.5 mm by default for Aztec; you can change it before downloading.
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