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License

ExifEraser

JPEG Exif eraser application for Android 6.0+

Get it on Google Play

How does it work?

  • Exif uses TIFF to store data
  • Exif sits in the APP1 segment and uses the following data structure (shortcut of this lengthy description):
    0xff 0xd8 SOI Marker
    0xff 0xe1 APP1 Marker
    0x45 0x78 0x69 0x66 0x00 0x00 Exif Header
    ...
  • This application detects the presence of the Exif header in JPEG files,
    and proceeds to strip the entire Exif segment using Apache Sanselan internally
    (without requesting any permissions)