BARCODE FLAGSHIP
Free Barcode Generator Online
Generate free scannable barcodes in Code 128, EAN-13, UPC-A, ITF-14, and Code 39 formats. Download vector SVG or high-resolution PNG labels.
Barcode MakerBarcode Generator OnlineCode 128 GeneratorUPC Barcode GeneratorEAN Barcode Generator
Interactive Barcode Generator Workspace
Process your files or inputs directly in your browser. Many workflows run locally; features that need network data or a service are identified on their tool page.
At a glance
Barcode Generator — Generate free scannable barcodes in Code 128, EAN-13, UPC-A, ITF-14, and Code 39 formats. Download vector SVG or high-resolution PNG labels.
Free for the core workflow, no account required. Barcode rendering and validation happen locally in the browser from the value you enter.
About Barcode Generator
Generate free scannable barcodes in Code 128, EAN-13, UPC-A, ITF-14, and Code 39 formats. Download vector SVG or high-resolution PNG labels.
Machine-readable barcode identifiers streamline inventory tracking, point-of-sale retail, and asset management. ExpTool Barcode Generator produces mathematically validated barcodes with automatic check digit calculation, customizable bar height, quiet zones, and text display. Rendered via standard symbology algorithms, the output is guaranteed compatible with handheld laser and optical camera scanners. Barcode symbology, input validity, dimensions and print quality determine whether a barcode can be read reliably. Validate the data and test the final barcode with a compatible scanner before production use.
Primary objective: Creates supported barcode formats with format validation and output-size controls.
Privacy assurance: Barcode rendering and validation happen locally in the browser from the value you enter.
How to Use Barcode Generator
- Select your barcode symbology (e.g. Code 128 for alphanumeric data, EAN-13 or UPC-A for retail).
- Enter your numeric or alphanumeric payload (the tool automatically computes check digits where required).
- Customize bar width, height, and label display, then download the barcode in SVG or PNG format.
- Define the result you need from Barcode Generator before choosing options or entering data.
- Use a small representative input for the first run so you can confirm that the settings match the intended barcode generator workflow.
- Review the result against the original input or expected format before copying, downloading, publishing or sharing it.
Key Use Cases & Applications
- Creating retail product packaging labels compliant with GS1 EAN-13 and UPC-A standards.
- Generating Code 128 asset tags for warehouse inventory, equipment tracking, and internal serial numbers.
- Printing library book identifiers, event ticketing passes, and shipping parcel labels.
- Use Barcode Generator for creating a barcode for a document or workflow.
- Use Barcode Generator for checking barcode data before printing.
- Use Barcode Generator for testing a barcode format or identifier.
Frequently Asked Questions
What is the difference between Code 128 and EAN-13?
Code 128 supports full alphanumeric text (letters, numbers, symbols) and is standard for logistics and internal tracking. EAN-13 is a 13-digit numeric barcode used internationally for retail products.
Can I download the barcode in vector format for printing?
Yes. ExpTool exports barcodes in scalable vector SVG format, ensuring sharp, crisp edges at any print scale without pixelation.
Does the generator compute the mandatory check digit?
Yes. For symbologies that require algorithmic checksums (such as EAN-13, UPC-A, and Modulo-103 for Code 128), the tool validates or automatically calculates the correct check digit.
What should I check before using the Barcode Generator result?
Validate the data and test the final barcode with a compatible scanner before production use. Barcode standards have different data and check-digit rules.
Does Barcode Generator replace a professional or authoritative source?
No. Barcode Generator is a practical utility. Where the result affects a regulated, financial, medical, legal or business decision, verify it against the appropriate authoritative source or qualified professional.
What can affect the result of Barcode Generator?
Barcode symbology, input validity, dimensions and print quality determine whether a barcode can be read reliably. Input quality and the selected options can also change the result.