Aztec Code Barcode Generator
Train & airline tickets
Aztec Code
What is Aztec Code?2D Codes › Aztec Code
What is a Aztec Code barcode?
Aztec Code is a square 2D barcode with a bull’s-eye pattern in the center. It is popular on train and transit tickets, mobile boarding passes and event tickets, because it reads well from phone screens. It can hold text, numbers, URLs or binary data.
Scanners find the code by its bull’s-eye, so it needs no blank margin around it. Layers of data wrap around the center, from 15 x 15 modules for the smallest code up to 151 x 151 modules. It holds up to 3,832 digits, 3,067 letters or 1,914 bytes, with Reed-Solomon error correction.
What data can Aztec Code hold?
Any text, numbers or URL, up to 1,914 bytes. We warn you as you get close to the limit.
Recommended size
Aztec Code needs no quiet zone, but a small margin still helps when it sits next to other print. Make the modules large enough for your scanner, especially on phone screens and thermal tickets.
More 2D Codes barcodes
How to Create a Barcode in 3 Steps
Choose a barcode type
Select a category on the left (e.g. Linear Codes), then the exact type like Code-128.
Enter data & customise
Type your data — we check it live and add check digits. Adjust size, font and colors.
Download or print
Get PNG, JPG, SVG, PDF or EPS, or print a full sheet of labels in one click.
Why Use QRCodeChamp Barcode Generator
125+ barcode types
Every linear, 2D, GS1, postal, healthcare and payment code.
Live validation
Friendly errors with one-click fixes and automatic check digits.
Print-ready PDF
Exact mm sizes, label sheets (Avery, A4, 4×6 thermal).
Bulk barcodes
Paste a list or generate number sequences.
Choose the Type of Barcode You Need
Not sure which barcode to use? Start with what you need it for — we’ll pick the right type.
Frequently Asked Questions
No. The bull’s-eye in the center lets scanners find it without a quiet zone, which saves space on tickets.
Both work for tickets. Aztec is common in transport and travel, while QR Code is more familiar to the public; use what your ticket scanners expect.
Many scanner apps and ticket gate scanners can. Test with the devices your customers or staff will use.
Yes. Enter one ticket ID per line or generate a number sequence, then download all the codes.