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Secret Keeper

ExtensionPrivacy & Security5 users
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Overview

Local end-to-end encryption for any website: encrypt and decrypt secret messages and files. Keys never leave your device.

Secret Keeper is a local end-to-end encryption extension. • Encrypt and decrypt secret messages on any website: pick a recipient, paste an envelope — decryption happens locally. • Offline chats: message history is stored encrypted inside the extension. • Encrypt and decrypt files (.skf containers). • The profile is protected by a PIN and biometrics (WebAuthn), with an optional duress PIN. • Websites connect only with your explicit permission (pairing with a visual code); linked sites are managed in settings. • No servers: keys are generated and stored only in your browser, the extension sends nothing anywhere. Compatible with the Secret Keeper apps for Android, iOS, macOS and Windows: the same address and seed phrase work everywhere.

Details

  • Version
    1.1.8
  • Updated
    August 13, 2026
  • Offered by
    secretkeeper.net
  • Size
    251KiB
  • Languages
    English
  • Developer
    Email
    support@secretkeeper.net
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, please open this page on your desktop browser

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