Question 1

Is this barcode generator free to use?

Accepted Answer

Yes, the Roughtools Barcode Generator is completely free with no account, watermarks, or usage limits. You can generate unlimited barcodes in Code 128, EAN-13, EAN-8, Code 39, and UPC-A formats and download them as PNG or SVG at no cost. All generation happens in your browser using canvas rendering — no images are sent to or stored on any server.

Question 2

Do I need to sign up to download barcodes?

Accepted Answer

No account, registration, or email address is required. Generate your barcode, customise the size, colour, and format, and click download. The file is saved directly to your device. There are no limits on how many barcodes you can generate or download in a single session, and no tracking of what data you encode in your barcodes.

Question 3

Is my barcode content stored or shared anywhere?

Accepted Answer

No. Barcodes are generated entirely within your browser using the HTML Canvas API. The data you enter — whether product codes, serial numbers, inventory IDs, or any other content — is never transmitted to Roughtools servers. Once you close the tab, the session ends and the content is gone. We have no access to what you encode in your barcodes.

Question 4

Does the barcode generator work on mobile and tablet?

Accepted Answer

Yes, the Barcode Generator is fully responsive and functions on all modern smartphones and tablets. You can generate and download barcodes on mobile. The PNG download creates a standard image file compatible with all barcode scanning apps, inventory systems, and point-of-sale software. For best print results, download as PNG at a higher scale (3x or 4x) to ensure sufficient resolution for physical labels and packaging.

Question 5

Which barcode format should I use?

Accepted Answer

Use Code 128 for general-purpose alphanumeric barcodes — it is the most versatile format and is used in shipping, logistics, and inventory management. Use EAN-13 for retail products sold in international markets, particularly in Europe, Asia, and Australia. Use UPC-A for retail products sold primarily in North America. Use EAN-8 for small product packaging where EAN-13 would not fit. Use Code 39 when you need to encode letters, numbers, and basic symbols in automotive, defence, or healthcare applications.

Question 6

How do I generate a barcode step by step?

Accepted Answer

To generate a barcode: (1) Select your barcode format — Code 128 for most uses, EAN-13 or UPC-A for retail products. (2) Enter your barcode data in the content field — numbers only for EAN/UPC formats, any text for Code 128 and Code 39. (3) Adjust the scale slider to increase resolution for print use (2x–4x recommended for labels). (4) Optionally change the foreground and background colours. (5) Toggle "Show Text" to display the human-readable text below the bars. (6) Click "Download PNG" or "Download SVG" to save the file.

Question 7

How accurate are the generated barcodes?

Accepted Answer

The barcodes are generated using industry-standard encoding algorithms implemented directly in the tool. EAN-13, EAN-8, and UPC-A check digits are calculated automatically — you only need to provide the data digits. Code 128 follows the full ISO/IEC 15417 standard. Code 39 follows the ISO/IEC 16388 standard. Generated barcodes have been tested with commercial laser scanners, smartphone scanning apps, and professional point-of-sale readers. For critical retail use, always test with your specific scanner before mass printing.

Question 8

What is the difference between PNG and SVG download?

Accepted Answer

PNG (Portable Network Graphics) is a raster image at a fixed pixel size. It is suitable for most uses including printing labels, embedding in documents, and uploading to inventory systems. Use a higher scale (3x or 4x) for print quality. SVG (Scalable Vector Graphics) is resolution-independent and scales to any size without quality loss — ideal for large-format printing, professional design applications like Illustrator or Inkscape, and web embedding. For printing on product packaging or labels at any size, SVG is the preferred format.

Question 9

Can I use these barcodes commercially?

Accepted Answer

Yes, barcodes generated by this tool can be used for commercial purposes including product labelling, inventory management, shipping labels, and event ticketing. However, for retail products sold at major retailers using global EAN-13 or UPC-A barcodes, you must register a GS1 company prefix from GS1 International — unregistered barcodes may conflict with existing products in retail databases. For internal use, logistics, warehousing, and non-retail applications, no registration is required.

Question 10

Why use Roughtools instead of other barcode generators?

Accepted Answer

Roughtools Barcode Generator runs entirely in your browser with no server communication — your product codes, serial numbers, and inventory data never leave your device. Most online generators send your data to their servers to render the barcode image, creating a privacy risk for proprietary product codes and internal IDs. This tool also generates clean, professional barcodes with no watermarks, supports multiple industry-standard formats, and allows full control over scale, colour, and label text — all at no cost and with no account required.

Barcode Generator

Professional Barcode Generator

Barcode Format

Barcode Data

Appearance

Preview

Frequently Asked Questions

Is this barcode generator free to use?

Do I need to sign up to download barcodes?

Is my barcode content stored or shared anywhere?

Does the barcode generator work on mobile and tablet?

Which barcode format should I use?

How do I generate a barcode step by step?

How accurate are the generated barcodes?

What is the difference between PNG and SVG download?

Can I use these barcodes commercially?

Why use Roughtools instead of other barcode generators?

💬 Feedback or Bug Report

Barcode Generator

Professional Barcode Generator

Barcode Format

Barcode Data

Appearance

Preview

Frequently Asked Questions

Is this barcode generator free to use?

Do I need to sign up to download barcodes?

Is my barcode content stored or shared anywhere?

Does the barcode generator work on mobile and tablet?

Which barcode format should I use?

How do I generate a barcode step by step?

How accurate are the generated barcodes?

What is the difference between PNG and SVG download?

Can I use these barcodes commercially?

Why use Roughtools instead of other barcode generators?

💬 Feedback or Bug Report

Share This Tool