Codabar Barcode Generator
Legacy symbology still seen in libraries, blood banks, and some logistics niches.
Create Your Codabar Barcode
Create Barcodes for Any Symbology
Choose Codabar only when an existing system requires it; otherwise prefer Code 128.
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How to use the Codabar Barcode Generator
Create a scannable Codabar Barcode in three steps.
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1
Enter digits with start/stop letters
Codabar uses start/stop characters A–D with digits and a few symbols — common in libraries and blood banks.
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2
Adjust size and text
Set bar height, colors, quiet zones, and human-readable digits so the label matches your stock and scanners.
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3
Download your barcode
Export PNG for proofs or SVG for print vendors. Verify with a handheld gun or our online scanner before mass printing.
Customize Your Codabar Barcode
Keep symbols wide and high-contrast for older library and clinical scanners.
Set bar height
Match the vertical size to your label stock and scanner gun.
Taller bars help handheld scanners at awkward angles. Shorter bars fit compact shelf talkers when width already meets the X-dimension.
- Follow retailer or GS1 magnification tables when printing for POS.
- Do not shrink below the minimum bar height your gun vendor specifies.
- Keep consistent height across a SKU family so pickers scan reliably.
Choose bar and background colors
Keep strong contrast so laser and camera scanners decode cleanly.
Dark bars on a light background remain the safest combination. Preview contrast before you approve packaging ink.
- Avoid red bars under red POS lasers.
- Matte substrates scan better than gloss glare.
- Never place text through the bar pattern.
Show human-readable text
Print digits under the symbol for manual entry when a scan fails.
Toggle human-readable interpretation so operators can type the GTIN or Code 128 string if the gun cannot read a damaged label.
- Include the correct start/stop letters your system expects.
- Confirm whether a local check scheme is layered on top.
- Avoid Codabar for new greenfield WMS projects.
Protect quiet zones
Leave clear margins so scanners find the start and stop of the symbol.
Quiet zones on both sides (or around 2D codes) are required by most symbology specs. Crowding artwork into the margin causes no-reads.
- Never crop SVG exports into the quiet zone.
- Watch shrink wrap and box seams that push into margins.
- Verify with a physical sample on the target substrate.
Respect check digits
Retail and some logistics codes reject wrong check digits at scan time.
Where the symbology requires a check digit, the generator follows the standard algorithm so POS and WMS systems accept the label.
- Do not invent retail GTINs — obtain prefixes from GS1 when selling through stores.
- Confirm MSI check-digit variants with your retailer firmware.
- Re-scan after any manual digit edits.
Balance density and print size
Longer payloads need wider symbols or taller 2D matrices.
Alphanumeric logistics strings and large PDF417 payloads increase symbol width. Shorten data or enlarge print size when scanners struggle.
- Test the smallest label size you plan to ship.
- Prefer Data Matrix or QR for tiny parts when linear codes will not fit.
- Keep X-dimension within printer dpi limits.
Download Codabar Barcode Formats
PNG for desk printers; SVG for durable asset tags.
| Format | Best use for |
|---|---|
| PNG | Quick proofs, packing lists, and digital label drafts at the size you set. |
| SVG | Thermal printers, flexo vendors, and packaging artwork that need sharp bar edges. |
| JPG | Email attachments and documents where a smaller raster file is enough. |
| Print-ready one-page proofs for procurement, QA, or warehouse sign-off. |
Codabar Barcode Use Cases
Legacy niches where Codabar remains mandated.
How Codabar Barcodes work
How Codabar start/stop characters frame a scannable ID.
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1
Data becomes a pattern
Your digits or string are encoded into bar widths or a 2D matrix according to the symbology rules.
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2
Scanners find quiet zones
Clear margins help lasers and cameras locate the start of the symbol and lock onto the pattern.
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3
Check digits validate integrity
Where required, a calculated check digit rejects mistyped or damaged codes before they enter inventory.
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4
Systems act on the payload
POS, WMS, or healthcare systems look up the GTIN, SKU, or serial and continue the workflow.
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5
Specialty system accepts the ID
Circulation or clinical software maps Codabar strings to records.
Privacy / Security
Codabar payloads are encoded locally without server storage.
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No signup
Open the generator and create barcodes without creating an account.
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Free
Core barcode tools run in the browser at no charge for standard downloads.
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No watermark
Exported PNG, SVG, JPG, and PDF files do not carry a platform watermark.
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Browser-based
Generation happens locally in your session — payloads are not rendered on our servers.
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No data stored
We do not save the digits or strings you enter into the generator for later retrieval.
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HTTPS secure
The site is served over HTTPS so your browsing session and downloads are encrypted in transit.
Why use Codabar Barcodes?
Why Codabar persists in specialized environments.
Spec lock-in
Comply when contracts or SOPs name Codabar explicitly.
Sector familiarity
Libraries and some labs trained staff on Codabar decades ago.
Simple numeric focus
Digit-heavy IDs stay easy for operators to verify visually.
Distinct start/stop
A–D characters frame the message for compatible readers.
Durable tags
Works on laminated cards and sample labels.
Gun dependent
Confirm imagers have Codabar enabled before rollout.