Online Tool Store
Encrypted QR Code Generator
Encrypt a message with a passphrase before generating its QR code, so a scan without the passphrase only reveals ciphertext, not the original text. Runs entirely in your browser.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
Example
Encrypted QR Code Generator
Sample message
Example shown — replace it with your own message and passphrase.
Result
How it works
- Enter the message you want to share and a passphrase.
- The tool encrypts the message before generating the QR code.
- Share the QR and passphrase separately for the recipient to decrypt.
The method
The plaintext message is encrypted with AES using a key derived from your passphrase, and only the resulting ciphertext is encoded into the QR — the passphrase itself is never stored in the code.
FAQ
How does the encryption work?
The message is encrypted client-side with a passphrase before being encoded into the QR code, so anyone who scans it needs both the QR and the passphrase to read the content.
Is this the same as a normal QR code?
No — a normal QR code stores plain text anyone can scan and read. This one stores ciphertext, so a scan without the right passphrase just shows garbled data.
What's a good use case?
Sharing sensitive information like a Wi-Fi password or a one-time note in person, where you can share the passphrase verbally rather than in writing.
How we compare
| Feature | Online Tool Store | Plain QR code generator | Sending the secret over text/email |
|---|---|---|---|
| Content is encrypted | Yes | No | No |
| No account needed | Yes | Yes | Yes |
| Runs entirely client-side | Yes | Varies | No |
For sharing something sensitive in person via a scannable code, this is safer than a plain QR code or an unencrypted message.