Bulk Barcode Generator — Create Multiple Barcodes at Once
Generate up to 50 barcodes at once — completely free, no signup required, and everything runs in your browser. Paste your values, choose a format, and download all barcodes as a ZIP archive or a print-ready PDF in seconds.
0 / 50 barcodes
How to Generate Barcodes in Bulk
- Prepare your data. Collect the values you want to encode — SKUs, serial numbers, product codes, or any text strings. Copy a column from Excel or Google Sheets, or type values manually.
- Paste values one per line. Click into the input area and paste your list. Each line becomes one barcode. Remove any headers or blank rows before proceeding.
- Select your barcode format. Choose Code 128 for general-purpose use, EAN-13 or UPC-A for retail products, or Code 39 for legacy systems. The format applies to the entire batch.
- Click Generate All. The tool creates all barcodes instantly in your browser. A preview grid displays each barcode with its encoded value beneath it.
- Download as ZIP or PDF. Choose ZIP to get individual PNG files for each barcode, or PDF to get a print-ready layout with two barcodes per row, suitable for standard label sheets.
Bulk Barcode Use Cases
Bulk barcode generation saves significant time whenever you need to label a large number of items, products, or assets. Common applications include:
- Inventory management — generate a batch of stock codes for every SKU in your warehouse and print labels in one pass.
- Product labeling — create EAN-13 or UPC-A barcodes for a new product line before sending items to retail distribution.
- Warehouse operations — label bins, shelves, and pallets with Code 128 barcodes encoding location identifiers.
- Retail shelf labels — produce price or location labels for an entire product category at once.
- Event tickets — encode unique ticket numbers for attendee check-in using a handheld or fixed barcode scanner at the venue.
- Asset tracking — tag IT equipment, furniture, or tools with sequential asset tag barcodes for property management.
Supported Formats for Bulk Generation
| Format | Best For | Max Data Length | Notes |
|---|---|---|---|
| Code 128 | General-purpose labeling | Up to 48 characters (practical) | Encodes all 128 ASCII characters; no registration required |
| EAN-13 | Retail products (global) | 13 digits (fixed) | Check digit auto-calculated; GS1 number required for retail POS |
| UPC-A | Retail products (North America) | 12 digits (fixed) | Standard for US and Canadian grocery and retail checkout |
| Code 39 | Legacy and industrial systems | Up to 30 characters (practical) | Uppercase letters, digits, and 8 symbols only; widely supported |
Tips for Bulk Barcode Printing
- Label size: use at least 1 inch wide by 0.5 inch tall for Code 128 and Code 39 labels to ensure the narrow bars are wide enough for reliable scanning.
- Print resolution: set your printer to 300 DPI minimum; 600 DPI produces sharper bars and is strongly recommended for small labels or narrow bar widths.
- Quiet zones: preserve the blank margins on each side of the barcode when placing it in a label template — cropping or overprinting quiet zones is a leading cause of scan failures.
- Thermal vs inkjet: thermal label printers produce more consistent bar edges than inkjet printers and are the industry standard for high-volume label runs; inkjet ink can bleed on absorbent stock, thickening bars and causing decode errors.
Frequently Asked Questions
How many barcodes can I generate at once?▾
You can generate up to 50 barcodes in a single batch. Enter one value per line in the input area, select your barcode format, and click Generate All. The tool processes all values simultaneously in your browser — no waiting for a server.
What formats does the bulk generator support?▾
The bulk generator supports Code 128, EAN-13, UPC-A, and Code 39. Code 128 works for any text or number string and is the best default for general-purpose labeling. EAN-13 requires a 12-digit GS1 number (check digit calculated automatically). UPC-A requires an 11-digit number. Code 39 supports uppercase letters, digits, and a limited set of symbols.
Can I download all barcodes as a PDF?▾
Yes. After generating your batch, you can download all barcodes as a PDF with a 2-per-row layout, suitable for printing on standard label sheets. You can also download a ZIP archive containing each barcode as an individual PNG file, which is useful when you need to embed barcodes into a spreadsheet, label design tool, or print template.
Is bulk generation free?▾
Yes, bulk barcode generation is completely free. All processing happens in your browser — no data is sent to any server, no account is required, and there are no limits on how many times you use the tool. You can generate batches of up to 50 barcodes as often as you need.
How do I prepare data for bulk generation?▾
Enter one barcode value per line in the text area. The easiest way to prepare data is to copy a column from a spreadsheet (Excel, Google Sheets) and paste it directly into the input — each row becomes one barcode. You can also type values manually or paste a list from any text editor. Remove any headers or blank lines before generating.
Can I generate barcodes from an Excel spreadsheet?▾
Yes. Open your spreadsheet, select the column containing your barcode values, and copy it. Then paste the values into the bulk generator input area — each cell value will appear on its own line. Select the barcode format that matches your data type, then click Generate All. Download the result as a ZIP or PDF for use in your labeling workflow.