Japan My Number Card Online Photo Size and Requirements

Requirements at a glance

Size	480 × 617 px (digital)
DPI	300
Background color	white (#FFFFFF)
File size limit	20–7168 KB
Source	kojinbango-card.go.jp
Spec code	`japan-my-number-online`

Frequently asked questions

What size is the Japan My Number Card Online photo?

It is a digital image of 480 × 617 px at 300 DPI. The dataset lists no printed size for this spec.

What background color does the Japan My Number Card Online photo need?

This spec uses a white (#FFFFFF) background.

What file size is allowed for the Japan My Number Card Online photo?

The file should be between 20 KB and 7168 KB.

Can I use this spec with the IDPhoto.ai API?

Yes. Set specCode to "japan-my-number-online" in a POST /v2/makeIdPhoto request. The Passport Photo API reference describes the full request and response.

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For people

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For developers

Send this spec code to the Passport Photo API.

curl -sS -X POST "https://api-us.idphotoapp.com/v2/makeIdPhoto" -H "Content-Type: application/json" -d '{"apiKey":"YOUR_API_KEY","apiSecret":"YOUR_API_SECRET","imageBase64":"BASE64_IMAGE","specCode":"japan-my-number-online","outputFormat":"IMAGE_BASE64"}'

Passport Photo API reference · Get API key

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