📷 EXIF Viewer

Extract limited EXIF metadata from JPEG (local only).

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 How it works 
 
How it works
 
     
  • Scans JPEG markers to find APP1. EXIF lives in APP1 segments prefixed by the ASCII header “Exif\0\0”.
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  • Interprets the embedded TIFF header: byte order “II” (little‑endian) or “MM” (big‑endian), then jumps to IFD0.
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  • Reads IFD entries (12 bytes each): tag, type, count, value/offset; supports a few types (ASCII, SHORT, LONG, RATIONAL).
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  • Extracts common tags: Make, Model, DateTime, DateTimeOriginal, ExposureTime, ISO, Width, Height.
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  • Limitations: many tags and sub‑IFDs (GPS/thumbnail) are skipped; malformed files may fail to parse.
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 Privacy & Security 
File never leaves browser; processed in-memory.
 
  
 
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 Accuracy, Limits & Tips 
Limited tag set; ignores sub-IFDs (GPS, thumbnail), no BigTIFF, minimal validation.
 
 
 Examples 
  • Select a JPEG from your device.
 
 
 
 
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