Photoshop IRB & IPTC Metadata on Mac

Image Resource Blocks (IRB) are Photoshop’s long-standing container for ancillary data. News and agency pipelines still encounter IPTC-IIM living inside IRB even when XMP packets are also present. Mac inspection shows what Photoshop-era writers left behind before you clean an archive or hand off a composite.

Common places to look: PSD/PSB masters, JPEG proofs saved from Photoshop, TIFF intermediates, and some PNG/PDF exports. Do not assume XMP replaced IRB—many files carry both, and fields can disagree after round-trips.

MSAM.media apps—ExifTool Reader, ExifTool Reader Pro, and EXIF Exporter Pro—run on macOS and are sold only through the Mac App Store. Use them to reconcile IRB IPTC with XMP captions, keywords, and copyright notices, then export selected fields for rights or taxonomy audits.

Pair IRB checks with the IPTC-IIM topic, Keywords, and Copyright pages so legacy and modern descriptive layers stay aligned.

• Lecteur ExifTool

  Parcourir et exporter les métadonnées

• ExifTool Reader Pro

  Export professionnel de métadonnées

• Exportateur EXIF Pro

  Extraire et exporter les métadonnées d’image

• PSD
• PSB
• JPEG
• TIFF
• PNG
• PDF

• XMP
• IPTC
• EXIF
• ICC
• IPTC-IIM
• Keywords
• Copyright