Privacidade Fotográfica: Remoção Completa de Metadados GPS e EXIF
Privacidade Fotográfica: Remoção Completa de Metadados GPS e EXIF
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Fórmula e Método de Cálculo
Scrubbed Image = Original Byte Stream - [APP1 EXIF Segment (0xFFE1)]
In a JPEG file, EXIF data is contained within a specific binary segment (APP1). The scrubber simply identifies the start and end markers of this segment and drops those bytes entirely, leaving the raw image data perfectly intact.
Melhores Práticas e Dicas
- Scrub Before Uploading: Never upload a raw photo taken inside your home to an online forum or marketplace. Malicious actors can extract the exact latitude and longitude to find your physical address.
- Don't Rely on Social Media: While major platforms like Instagram strip EXIF data automatically, email clients (like Gmail or Outlook) and text messaging apps (like iMessage) often send the full unscrubbed original file.
- Understand the Limits of Scrubbing: Scrubbing removes hidden metadata, but it does not remove visual data. If you take a photo with a visible street sign or unique landmark in the background, your location is still compromised.