Barcode Generator

Generate barcodes — Code128 with PNG download

🔒 Files never leave your browser

Text / Number

Barcode Type

Code 128 supports ASCII 32-127. Code 39 supports A-Z, 0-9, and -. $/+% SPACE.

Bar Width

Height

Show text below

How to Use Barcode Generator

Enter data

Type text or numbers for the barcode.

Generate

See the barcode rendered.

Download

Download as PNG.

Why Choose AllTools Barcode Generator?

✓ 100% free, no account needed
✓ Code128B encoding
✓ Canvas rendering
✓ Download PNG
✓ Adjustable size
✓ No data stored or transmitted

Why Use This Tool

★ All processing happens locally — passwords and keys never leave your device
★ No data stored or transmitted to any server
★ Completely free with no usage limits
★ No account or registration required
★ Uses industry-standard cryptographic algorithms

Related Resources

Generate QR codes → Scan barcodes → Compress barcode images →

Frequently Asked Questions

What barcode types are supported? ▼

Code128B which covers ASCII characters 32-127.

Is this private? ▼

Yes. All generation happens in your browser.

Is there a file size limit? ▼

No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.

Which browsers are supported? ▼

All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.

Can I use this offline? ▼

Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.

Is my data secure? ▼

Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.

Tutorials

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