ID Photo Spec Check — Automatic ICAO & Official Compliance (2026)
"The size was right, but it still got rejected" — a common ID-photo stumble. The cause usually isn't the size itself, but the face being slightly off in scale or position relative to the spec.
These are hard to judge by eye. mynaphoto checks official compliance automatically with AI and fixes it before you submit.
What the spec check verifies
An ID photo spec is about more than size.
| Item | Detail |
|---|---|
| Face ratio | Crown-to-chin size relative to the whole photo |
| Face position | Centered and front-facing |
| Size / pixels | Matches the document's spec |
| Background | Plain, light color; no shadows or clutter |
| Tilt | Face and shoulders level and front-on |
Passport photos follow the ICAO (International Civil Aviation Organization) standard, which specifies face ratio and position precisely — missing it is a common rejection cause.
What mynaphoto's spec check does
- Face ratio & position — automatically adjusted to meet the spec
- Size & pixel matching — aligned to each document's official spec
- Background & tilt — plain-background replacement and tilt correction
- ICAO compliance — handles documents requiring the international standard, like passports
Check the spec before you submit
Just upload to mynaphoto.jp and your face ratio, size, background, and tilt are checked automatically and brought into spec — across 19 formats including My Number Card and passport.
Tips for a photo that passes
To clear the check on the first try, keep these in mind while shooting.
- Shoot front-on and upright — avoids tilt and position errors
- Leave margin above and below your head — room to adjust to the spec ratio
- Use bright, even light — fewer shadows and an easier background to clean up
See good and bad examples in our good vs bad ID photo guide.
Leave the spec check to us
Just upload your phone photo. Face ratio, size, background, and tilt are checked automatically and brought into spec.
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This article reflects general specifications as of June 2026. A spec check reduces rejection risk but cannot guarantee acceptance by every issuing authority. Please verify the latest requirements on each authority's official site.
Frequently Asked Questions
What is an ID photo spec check?
It verifies that your face size, position, photo size, background, and tilt meet official requirements. mynaphoto runs this check automatically with AI.
What is the ICAO standard?
ICAO (International Civil Aviation Organization) sets the international standard for passport photos — face ratio, position, and more. Japanese passport photos follow it.
Can a spec check prevent rejection?
It checks the measurable items like face ratio and size, which reduces rejection risk. It cannot, however, guarantee acceptance by every issuing authority.
Is there a rule for how big the face should be?
Yes. Each document specifies the ratio of the face (crown to chin) to the whole photo. The spec check verifies this ratio automatically.