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Japanese postal code

Data Input

Enter data, then download.

Format: Digits + alphanumeric

About the Japan Post Barcode

The Japan Post barcode belongs to the Postal Codes family. Japanese postal code. On this page you can generate Japan Post barcodes directly in your browser: enter your data, watch the preview update in real time, then download the finished symbol as PNG or SVG. Rendering happens locally on your device — nothing you type is ever uploaded to a server.

This symbology was designed for a specific industry workflow, and readers check its structure strictly — follow the input rules below so the generated symbol scans correctly the first time.

Japan Post codes are used for product labeling, internal tracking, and document management workflows. Because the data is fixed inside the symbol at generation time, a printed Japan Post barcode keeps working indefinitely — there is no service behind it, no expiry date, and no per-scan fee.

Japan Post Data Format & Rules

Japan Post Barcode — Frequently Asked Questions

Is the Japan Post barcode generator free?

Yes. You can generate and download Japan Post barcodes for free, with no sign-up and no watermark. Generation runs entirely in your browser — your data is never uploaded.

What data can I encode in a Japan Post barcode?

Digits + alphanumeric. For example: 1234567890-AB. If your data does not match the expected format, the encoder will show an error instead of producing a symbol that cannot scan.

Which download formats are supported?

PNG for screens and documents, and SVG for unlimited-quality print and design work. Both formats are rendered locally in your browser.

Does a Japan Post barcode expire?

No. The barcode is a fixed image of the data you entered — it keeps scanning for as long as the print or display lasts. If your data changes, simply generate a new barcode.

More Postal Codes Barcode Types

Need a different symbology? Every type below has its own generator page with the same browser-based, no-signup workflow. Looking for the long-form reference instead? Read the Japan Post guide, or generate many codes at once with the bulk barcode generator.