Online Barcode Generator
Use this online barcode generator to create barcodes instantly, without installing software or creating an account. Everything runs directly in your browser for speed, privacy, and reliability.
Whether you need a single barcode or a full page of labels, this online tool lets you generate, preview, download, and print barcodes in seconds.
What is an online barcode generator?
An online barcode generator allows you to create barcodes using a web browser, rather than installing desktop software or apps. This makes it ideal for quick tasks, shared computers, tablets, and classrooms.
Because the generator runs entirely in-browser, your data is never uploaded or stored on a server.
Barcode formats supported online
- Code 128 – flexible format for text, numbers, and IDs
- EAN-13 – standard retail barcode in the UK and Europe
- UPC-A – retail barcode used in the US and Canada
- Code 39 – common for internal tracking and assets
- ITF-14 – used for shipping cartons and bulk packaging
For most non-retail uses, Code 128 is recommended due to its flexibility and high scanning reliability.
Why use an online barcode generator?
- No software installation required
- Works on laptops, tablets, and iPads
- Instant live preview as you type
- No login, no limits, no watermarks
- Perfect for quick tasks and shared devices
How to generate a barcode online
- Select the barcode type that matches your needs
- Enter the required data or numbers
- Preview the barcode instantly on screen
- Download the barcode or print a sheet
For retail barcodes like EAN-13 and UPC-A, the tool can automatically calculate the required check digit.
Use the online barcode generator
Open the full tool to generate barcodes online with live preview, PNG/SVG downloads, and printable A4/A3 sheets.
Open Online Barcode GeneratorFrequently asked questions
Do I need to install anything?
No. The barcode generator runs completely online in your browser.
Does it work on tablets and iPads?
Yes. The tool is designed to work smoothly on tablets and touch devices.
Is it really online and private?
Yes. All barcode generation happens locally in your browser.
Can I print barcodes directly?
Yes. You can generate printable barcode sheets in A4 or A3 format.