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Preuve en main

Security and privacy

Your documents concern what matters most to you. Here is exactly how the app handles them, today.

The app: everything stays with you

  • Your entries and your exhibits never leave your device. The app runs on your phone or your computer, and sends nothing over the Internet. We host none of your documents.
  • You keep a complete export of everything, whenever you want, and you can delete everything in one click.
  • We never ask for more information than necessary.
  • This site uses no advertising cookies or trackers.

Tomorrow: the app (our commitments, published in advance)

  • Data and files hosted in Canada, encrypted in transit and at rest.
  • No artificial intelligence touches your documents or your photos. No facial recognition, ever. No sending to an external analysis service, ever. Photos of your children are never used to train anything.
  • Your data is yours : they live on your device, complete deletion is free at any time, and the export/import backup (Unlimited) follows you from one device to the next.
  • Permanent deletion in one click, with a 30-day grace period, backups included.
  • The bare minimum of required data: a child's initials are enough — never health records, never unnecessary details.
  • Nothing is handed to third parties without a valid order, verified by a lawyer, and the person concerned is notified unless legally prohibited.

Found a security flaw?

Write to us at contact@preuveenmain.ca — we respond to good-faith disclosures with gratitude, not threats.