OTTO rule

OTTO images must be JPG or PNG in RGB color mode

OTTO accepts JPG and PNG product images in RGB color mode; CMYK files and unsupported formats are rejected during ingestion.

Audit my OTTO imagesSee all rules

Source: api.otto.market · Last verified 2026-05-31

What we check

CatalogPrep inspects the file format and color mode and flags non-JPG/PNG files or images still in CMYK.

How to fix

Convert CMYK to RGB and export as JPG or PNG. CatalogPrep normalizes the format and color mode automatically.

Detection summary

Severity
blocking
Auto-checkable
Yes
Auto-fixable
Yes
Manual review
Not needed
Last verified
2026-05-31