ArrayKey - Barcode & QR Code Generator (Single & Multiple)

Free Online Barcode & QR Code Generator – Fast, Secure, and Fully Customizable

Welcome to ArrayKey Barcode Tools — the all-in-one platform for generating professional barcodes and QR codes online. Our tool allows you to create Code128, Datamatrix, and QR codes instantly, without any signup or installation. Whether you are a small business owner, a retailer, an event organizer, or a developer, ArrayKey makes barcode generation fast, reliable, and hassle-free.

With ArrayKey, all barcode and QR code generation happens directly in your browser. This means your data never leaves your device — no tracking, no storage, and no privacy concerns. Download your barcodes in high-resolution PNG or PDF formats, ready for digital use or professional printing.

Why Choose ArrayKey for Barcode Generation?

In today’s fast-paced world, businesses and individuals need tools that are simple, fast, and secure. Here’s why ArrayKey stands out:

• Supports Multiple Formats: Generate Code128, Datamatrix, and QR codes effortlessly, all in one tool.
• Instant Downloads: Export barcodes in PNG or PDF formats for digital or print use without waiting or registration.
• Fully Customizable: Adjust units (mm, cm, inch), bar width, and height for professional-grade printing.
• Privacy First: No data storage, no cookies, no tracking — your information stays on your device.
• Responsive Design: Works perfectly on desktop, tablet, and mobile devices, allowing barcode creation anywhere, anytime.
• SEO & User-Friendly: Clean, structured HTML ensures discoverability and easy navigation for both users and search engines.

Top Use Cases for Barcodes and QR Codes

Barcodes and QR codes have become essential tools across industries. ArrayKey is designed to cater to a wide range of use cases:

• Retail & Inventory Management: Label products, track stock, and manage inventory efficiently using professional barcodes.
• Event Tickets & Access Control: Generate barcode tickets for concerts, conferences, and workshops for smooth check-in.
• Logistics & Shipping: Track packages accurately with standardized barcodes, reducing errors and improving delivery speed.
• Healthcare: Label medical supplies, patient records, and laboratory samples securely, ensuring proper identification and compliance.
• Marketing & Promotions: Add QR codes to flyers, brochures, packaging, and coupons for instant customer engagement.

Features You’ll Love

ArrayKey Barcode Tools is packed with features to make your barcode generation experience smooth and professional:

• Live preview: See your barcode or QR code as you type or input values.
• Custom units: Choose mm, cm, or inch to match your printing needs.
• Adjustable dimensions: Control bar width and height for precise printing.
• Optional text display: Show or hide barcode values below the code for easy scanning and readability.
• High-resolution outputs: Perfect for digital sharing or professional print use.
• Zero storage: Your data never leaves your device, keeping your work private.
• No ads and no signups required: Focus on generating barcodes without distractions.

Step-by-Step Guide to Using ArrayKey Barcode Generator

Generating a barcode or QR code is simple and intuitive:

1. Select the barcode type: Code128, Datamatrix, or QR Code.
2. Enter the values you want to encode — one per line for multiple barcodes.
3. Choose units, bar width, and height according to your needs.
4. Optionally, select whether to display the text below the barcode.
5. Click “Generate” and instantly preview your barcodes.
6. Download as PNG or PDF, or print directly from the browser.

Frequently Asked Questions (FAQ)

Is ArrayKey free to use?

Yes! ArrayKey Barcode Tools is completely free. There’s no need to sign up or install any software.

Can I use ArrayKey on mobile devices?

Absolutely. The tool is fully responsive and works seamlessly on smartphones, tablets, and desktops.

Do you store my barcode data?

No. All barcode generation happens locally on your device. Your data is never stored or shared.

Which formats are supported?

ArrayKey supports Code128, Datamatrix, and QR codes. You can download them in PNG or PDF formats.

Can I use barcodes for professional printing?

Yes! The tool allows you to customize units, bar width, and height for professional-quality prints suitable for products, packaging, and labels.

Conclusion

ArrayKey Barcode Tools is your go-to platform for creating high-quality barcodes and QR codes quickly and securely. Whether for business, events, healthcare, or marketing, our free online generator ensures you get professional results every time. Experience fast, secure, and fully customizable barcode generation with ArrayKey — the trusted choice for individuals and professionals worldwide.

© 2026 ArrayKey Barcode Tools — Fast, secure, and reliable barcode and QR code generation online. No ads. No tracking. Just professional results.