Barcode Generator
Generate CODE128, EAN-13, UPC and other barcodes as PNG or SVG.
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Barcode Generator
Render supported barcode formats as PNG or SVG with size and color controls.
- 1 Enter Barcode value and choose Format.
- 2 Adjust Bar width, Height, Text size, Show text below and the bar and background colors.
- 3 Review any validation error, then Download PNG or SVG and test a real scan.
Example and practical tips
Choose CODE128 for a simple internal inventory label containing a short code.
Frequently asked questions
Does generating EAN or UPC assign a retail product number?
No. The tool draws a symbol; it does not register or assign globally recognized product identifiers.
Why is my value rejected?
Formats have specific length and character requirements, sometimes including check digits. Use a value valid for the selected format.