Best free barcode generators in 2026

A barcode looks simple, but generating the right one is surprisingly easy to get wrong. Retail products need a valid EAN-13 or UPC-A with a correct check digit, shipping cartons want ITF-14, and a warehouse label might call for Code 128 or Code 39. On top of that you usually need the image in a specific format: a crisp SVG for print, or a PNG for a quick label. Plenty of free online generators exist, but many add a watermark, gate the useful export formats behind a paid tier, or ask you to sign up before you can download anything. We tested four free barcode generators, weighing the range of supported symbologies, export quality, watermarks, and how much friction stands between you and a finished barcode.

How we tested

We generated the same set of codes in each tool: a Code 128 with a mixed alphanumeric string, an EAN-13 retail code to check automatic check-digit handling, a UPC-A for a North American product, and an ITF-14 for a shipping carton. For each one we looked at whether the barcode was valid and scannable, whether the tool could export both PNG and SVG, whether the download carried a watermark or size limit, and how many steps or signups stood in the way. We also noted ad load and whether the generator ran in the browser or sent your input to a server.

The full ranking

Side by side

Picking the right barcode type

The single biggest mistake with barcodes is choosing the wrong symbology for the job. A code that is perfect for a warehouse shelf will be rejected at a supermarket checkout, so it helps to match the format to where the barcode will be scanned.

Retail products

If your item is sold in stores, you almost certainly need EAN-13 (used worldwide) or UPC-A (common in the United States and Canada). These are fixed-length numeric codes tied to the global GS1 system, and they include a check digit that scanners use to confirm the read. A good generator calculates that check digit for you, so you enter the base number and it completes the code correctly.

Warehouses, labels, and internal tracking

For internal use where you control both the label and the scanner, Code 128 is the workhorse. It is compact and can encode letters, numbers, and symbols, which makes it ideal for SKUs, asset tags, and tracking numbers. Code 39 is an older alternative that is still widely supported, and ITF-14 is the standard for the shipping cartons that hold multiple retail units.

PNG or SVG: which export should you pick?

The file format you download matters more than it first appears, because a barcode has to stay sharp to scan reliably. The right choice depends on how you plan to use the image.

SVG for print and scaling

SVG is a vector format, which means it stays perfectly crisp at any size. If you are placing a barcode on packaging, a printed label, or anything that might be resized, SVG is the safer choice because it will not blur or pixelate. It also drops cleanly into design tools like Illustrator or Figma. ToolHub exports SVG directly, with no watermark.

PNG for quick, fixed-size use

PNG is a raster image, so it is ideal when you need a ready-made picture at a set size: a barcode in a slide, a web page, or a document. It is universally supported and needs no conversion. The only caveat is that scaling a PNG up can soften the bars, so generate it at the size you actually need.

Common questions

What is the best free barcode generator?

For most people the best free generator is one that supports the common retail and industrial formats, exports both PNG and SVG, and does not stamp a watermark on the result. ToolHub does all of this in the browser with no signup. TEC-IT is an excellent alternative when you need an unusual or 2D symbology that most tools do not cover.

How do I generate a Code 128 barcode?

Choose Code 128 as the barcode type, enter the text or number you want to encode, and download the result. Code 128 accepts letters, numbers, and symbols, which makes it a strong default for SKUs and internal tracking. With ToolHub you type your value, pick PNG or SVG, and the barcode is generated locally with no watermark.

What is the difference between EAN and UPC?

They are close cousins. UPC-A is a 12-digit code used mainly in the United States and Canada, while EAN-13 is a 13-digit code used across the rest of the world. EAN-13 is effectively a superset, and modern scanners read both. If you sell internationally, EAN-13 is the safer default; for a North-America-only product, UPC-A is common. Both include a check digit that a good generator fills in automatically.

Should I use SVG or PNG for a barcode?

Use SVG when the barcode will be printed or resized, because a vector image stays sharp at any scale and keeps the bars crisp. Use PNG when you need a fixed-size image for a screen, a slide, or a document. When you are unsure, SVG is the more future-proof choice, and ToolHub lets you export either one for free.

Is a free barcode generator really free, with no watermark?

Some free generators add a small watermark or linkback to the image, or reserve SVG export and higher resolutions for a paid plan. ToolHub is genuinely free: it generates every supported format, exports clean PNG and SVG with no watermark or size cap, and never asks you to create an account. Because it runs in your browser, your input is not uploaded anywhere either.

Final word

Generating a barcode should take seconds and cost nothing, and the finished image should scan on the first try. ToolHub is the pick for anyone who needs the common formats done right, because it covers EAN-13, UPC-A, Code 128, ITF-14, and more, calculates check digits automatically, and exports clean PNG or SVG with no watermark or signup. If you need an unusual or 2D symbology, TEC-IT is the most complete alternative. For everyday retail and warehouse codes, though, a fast browser-based generator with no watermark is all most people will ever need.