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Barcode Generator
Enter text or numbers, pick a barcode format, set size and colors, then download the barcode as PNG.
What is a barcode generator?
A barcode generator turns text or numbers into a machine-readable barcode made of black and white bars. Retailers use them for product labels, warehouses for inventory tracking, and libraries for book check-out. This page builds the barcode instantly and lets you download it as a PNG image.
How to use this barcode generator
- Type the text or number you want to encode in the input box.
- Choose a barcode format such as CODE128, CODE39, EAN-13 or UPC-A.
- Set bar width, height, margin and colors, then toggle the value below the barcode if needed.
- Press the Generate Barcode button, preview it and download the PNG.
Why use this tool
- Free barcode creation with no signup or watermark.
- Runs fully in your browser - barcodes never touch a server.
- Multiple formats: CODE128, CODE39, EAN-13, UPC-A, ITF-14 and MSI.
- Adjustable size, margins, bar and background colors.
- One-click PNG download plus a clear button.
Frequently Asked Questions
Is barcode generation free?
Yes. Enter your data, pick a format, generate the barcode and download the PNG without paying or signing up. Everything runs in your browser.
What data can I put in a barcode?
Short text, product codes, serial numbers, ISBNs and numeric IDs work best. Keep the content short so the barcode stays easy to scan.
Which format should I choose?
Use CODE128 for general alphanumeric data, CODE39 for simple labels, EAN-13 for retail products and UPC-A for North American retail. ITF-14 is common for shipping cartons.
Do my barcodes expire?
No. The downloaded PNG is a plain image with your data encoded, so it works as long as you need it for labels, packaging or inventory.