Client-side file encryption tool with Web Crypto API
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Dec 11, 2025
Client-side file encryption tool with Web Crypto API A comprehensive prompt for building a secure client-side file encryption tool using web technologies and the Web Crypto API.
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Create a client-side file encryption tool using HTML5, CSS3, and JavaScript with the Web Crypto API. Build a drag-and-drop interface for file selection with progress indicators. Implement AES-256-GCM encryption with secure key derivation from passwords (PBKDF2). Add support for encrypting multiple f...
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