My input:
How can I “write” a note on the back of a digital JPEG photo like I sometimes did on a real photo print?
CLAUDIA:
CONVERSATION TRANSCRIPT
Generated: 2026-06-12
================================================================================USER: new topic
CLAUDE: Ready when you are — what’s on your mind?
——————————————————————————–
USER: How can I “write” a note on the back of a digital JPEG photo like I sometimes did on a real photo print?
CLAUDE: Options discussed:
1. EXIF/Metadata “Description” field — invisible metadata baked into the file. Windows: right-click > Properties > Details > Comments. Mac: Preview > Tools > Show Inspector > Exif tab.
2. Add text directly onto the image — permanently burns note into the visible photo (Paint, Preview, Snapseed). Not reversible.
3. Rename the file — short notes like dates or names in the filename.
4. Sidecar file — plain .txt file with the same name alongside the photo.
5. Google Photos / Apple Photos “description” — caption lives in the app, not the file.
Best match for “writing on the back”: EXIF Description/Comment field.——————————————————————————–
USER: yes [build a drag-and-drop EXIF note tool]
CLAUDE: Built an interactive browser-based widget allowing drag-and-drop of a JPEG, entry of Note/Description, Author/Photographer, Date taken, and Copyright fields, then download of the photo with metadata embedded.
——————————————————————————–
USER: Error writing metadata: ‘pack’ error. Got invalid type argument
CLAUDE: Fixed the error — XPTitle and XPComment fields require UTF-16 byte arrays, not plain strings. Dropped XPTitle, rewrote XPComment encoding. ImageDescription and Artist fields carry the note reliably.
——————————————————————————–
USER: How do i see it on mac osx
CLAUDE: On Mac:
– Quickest: Right-click photo > Get Info (Cmd+I) > More Info section
– Photos app: Import photo, press Cmd+I for info panel
– Preview app (best): Open in Preview > Tools > Show Inspector (Cmd+I) > Exif tab — shows ImageDescription and Artist fields exactly as written
– Finder: Can show Comments column but that is Spotlight comment, not EXIF data——————————————————————————–
USER: jpeg
CLAUDE: The widget runs in the browser — Claude cannot rename the download directly. User can rename the downloaded file in Finder: select file, press Return, type new name. Offered to update the widget to produce a filename with !!! baked in.
——————————————————————————–
USER: download that edited picture with a filename “xyz.jpeg”
CLAUDE: The widget only runs in the browser — Claude cannot access or download files from it. Instructions to rename on Mac: find file in Downloads, click once to select, press Return to edit name, type xyz.jpeg and press Return.
——————————————————————————–
USER: capture the conversation in a text file
CLAUDE: Created this transcript file: conversation_transcript.txt
================================================================================
END OF TRANSCRIPT
# – # – # – # – #
Bottom line: It didn’t work. I’m now very confused.
— 30 —
Posted by reinkefj 
Reinke Faces Life 