SeedShuffler is a free tool to generate your personal and 100% unique seed number matrix. SeedShuffler converts your vulnerable wallet seed phrase into an innovative, secure 2-factor storage solution. The read-only and serverless application is a free tool for the community and can be used offline. All you need is a pen and a piece of paper.

SeedShuffler is developed by FortKnoxster DieFi, the crypto recovery and inheritance platform.

SeedShuffler is a serverless web application that only requires a client browser to work. All operations, such as generating the Seedbook, displaying it, creating the Seedbook PDF and saving the PDF to your machine, are performed securely in the browser and does not rely on any remote servers or third-party services. SeedShuffler can therefore also work in offline mode.

• Shuffle algorithm using a CSRPNG (Cryptographically secure pseudorandom number generator).
• 100% client based application.
• 100% open source code.
• Offline/flight mode.
• Strict Content Security Policy (CSP)
• Subresource Integrity (SRI)
• A+ score on ssllabs.com
• A+ score on securityheaders.com

Git clone and install dependencies:

Run the app locally:

SeedShuffler is available under the Apache-2.0 license. See the LICENSE file for more info.