Requirements at a glance
| Size | 33 × 48 mm (1.299 × 1.89 in) |
|---|---|
| Pixels | 388 × 564 px |
| DPI | 300 |
| Background color | white (#FFFFFF) |
| File size limit | Up to 1024 KB |
| Source | bio.visaforchina.cn |
| Last checked | 2026-11-02 |
| Spec code | hk-china-permit-single |
Frequently asked questions
What size is the China Permit via Hong Kong (Single Entry) photo?
It is 33 × 48 mm (1.299 × 1.89 in). The digital file is 388 × 564 px at 300 DPI.
What background color does the China Permit via Hong Kong (Single Entry) photo need?
This spec uses a white (#FFFFFF) background.
What file size is allowed for the China Permit via Hong Kong (Single Entry) photo?
The file should be no larger than 1024 KB.
Can I use this spec with the IDPhoto.ai API?
Yes. Set specCode to "hk-china-permit-single" in a POST /v2/makeIdPhoto request. The Passport Photo API reference describes the full request and response.
Make a photo with this spec
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":"hk-china-permit-single","outputFormat":"IMAGE_BASE64"}'Related specs
IDPhoto.ai is an independent service and is not affiliated with any government agency. Rules change, so always check the issuing authority’s current photo rules before you submit a photo.