pagevault: Hiding an Encryption Platform Inside HTML

📰 Dev.to · Alex Towell

Learn how pagevault encrypts files into self-contained HTML pages using AES-256-GCM and the Web Crypto API, and understand the challenges of scaling this approach

advanced Published 24 Feb 2026
Action Steps
  1. Build a proof-of-concept using pagevault to encrypt a file into an HTML page
  2. Configure the Web Crypto API to use AES-256-GCM for encryption
  3. Test the encrypted HTML page in different browsers to ensure compatibility
  4. Apply scaling techniques to handle large files and high traffic
  5. Compare the performance of pagevault with other encryption methods
Who Needs to Know This

Developers and cybersecurity professionals can benefit from this technique to securely share files without relying on backend infrastructure or JavaScript libraries. This approach can be particularly useful in environments where security and scalability are crucial

Key Insight

💡 pagevault uses the Web Crypto API and AES-256-GCM to encrypt files into HTML pages, making it a scalable and secure solution for file sharing

Share This
🔒 Encrypt files into self-contained HTML pages with pagevault! 🤯 No backend or JS libs needed. #encryption #webcryptoapi

Full Article

pagevault turns any file into a self-contained encrypted HTML page. No backend, no JavaScript libraries. Just AES-256-GCM and the browser's Web Crypto API. The interesting part is making it work at scale.
Read full article → ← Back to Reads

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