SecureMint

How to Create Self-Decrypting Files

Self-decrypting HTML files are the ultimate way to share encrypted files with anyone. The recipient doesn't need to install any software or visit any website — they just open the HTML file in their browser and enter the password. Everything is decrypted locally.

SecureMint uses zero-knowledge design. The server cannot read your data.

Steps

1

Select the file to encrypt

Choose any file you want to turn into a self-decrypting HTML package.

2

Set a password

Choose a strong password. The file will be encrypted with AES-256-GCM and the key derived via PBKDF2-SHA256 (600,000 iterations).

3

Download the HTML file

A single HTML file is generated that contains the encrypted data and the decryption code. No external dependencies.

4

Share with the recipient

Send the HTML file via email, USB, or any method. The recipient opens it in any browser and enters the password to decrypt.

Why It's Secure

  • Self-contained HTML file with embedded AES-256-GCM encryption/decryption code.
  • No internet connection needed for decryption — works completely offline.
  • PBKDF2-SHA256 with 600,000 iterations for key derivation.
  • The HTML file can be transmitted via any medium — email, USB drive, cloud storage.

FAQ

Does the recipient need to install anything?
No. They only need a web browser (Chrome, Firefox, Safari, Edge). The HTML file contains all the decryption code.
Can the file work offline?
Yes. The self-decrypting HTML file works completely offline. No internet connection is needed to decrypt the file.