Open-source, client-side encryption tool for cryptocurrency seed phrases. Zero data leaves your browser.
Generate encrypted QR codes that can be scanned and decrypted only with your password.
Hide your encrypted seed inside an innocent-looking image using LSB steganography.
Split your seed into 3 separate parts. Each part alone reveals nothing.
Export encrypted backups as timestamped JSON files for easy digital storage.
Encrypted QR code
Hide in image
3-way division
Encrypted export
Scan or upload QR
Decode from image
Import encrypted file
📱 On mobile? Use the camera scanner to instantly decode QR codes!
or paste encrypted text below
Even if this website disappears one day, you can keep using SeedVault forever. Download the complete standalone version and run it directly from your computer - no internet required.
Works forever without internet. Air-gapped security.
Just open the .html file in any browser. That's it.
QR codes, steganography, splitting - everything included.
Keep it on USB drives, backup servers, anywhere you want.
💡 Pro Tip: Store the downloaded file on multiple USB drives in different locations for maximum redundancy.
The downloaded file is identical to this website - same code, same security, same functionality. It's completely self-contained.
Input your 12 or 24-word seed phrase. Each word is validated for BIP39 compatibility.
You can choose between individual word fields or paste your entire seed phrase.
Select from 4 backup methods:
Download your encrypted backup and store it securely. Multiple redundant backups in different locations are recommended.
Your password is never stored - memorize it or use a password manager.
Store the encrypted image on multiple USB drives in different physical locations.
QR codes offer physical and digital storage flexibility.
Digital and distributed storage options.
All cryptographic operations happen in your browser. No data is ever transmitted to any server.
You can verify this by checking the network tab - zero outbound requests during encryption.
Industry-standard encryption using Web Crypto API. Your password is derived using SHA-256 to create the encryption key.
Each encryption uses a unique random initialization vector (IV) for maximum security.
The entire source code is viewable in this HTML file. No obfuscation, no hidden code.
Recommended: Run this file locally or on an air-gapped computer for maximum security.