Format rules
- May contain GPS data
- Often stripped by social platforms
- Orientation affects rendering
Valid example
Strip GPS before publishing personal photos.
Invalid example
Publishing raw images without metadata review
Common errors
- Assuming EXIF accepts syntax from a similar format
- Using the wrong encoding or line ending
- Copying invisible characters from rich text
- Testing only the happy path and not parser errors
Online validation and conversion
Compared with nearby formats
EXIF should be chosen for the parser and ecosystem that will consume it. Prefer strict formats for APIs, human-friendly formats for ops config, and signed formats only when verification is required.