Encrypt UTF-8 text with AES-256-GCM and a password-derived key, then decrypt the versioned JSON record locally.
Local text encryption and decryption
Encrypt UTF-8 text with AES-256-GCM and a password-derived key, then decrypt the versioned JSON record locally.
AES-256-GCM uses a fresh random salt and IV for every encryption. PBKDF2-SHA256 derives the key from your password. This tool does not intentionally upload or store text or passwords; use an audited offline tool for critical secrets.
Quick start
Encrypt or decrypt text locally with an authenticated JSON record.
1
Choose the action and enter text or the complete record
2
Enter a password and encryption work factor
3
Run locally and save the result securely
✓The tool runs directly in the browser and is ready for quick checks without installing software.
✓Input can be cleared and recalculated immediately, which is useful for repeated small tasks.
✓Use fullscreen mode when you need more space for long text, structured data or large result blocks.
✓Copy buttons are available on generated output so results can be reused in code, documents or support chats.
✓Most operations are deterministic: the same input and options produce the same output.
✓For sensitive content, prefer local browser tools and review the result before sharing it further.
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