Prerequisites

• A registered Konami ID linked to your master duel game
• Must login to Yu-Gi-Oh! Cards DB using the same Konami ID
• If the Yu-Gi-Oh! DB website asks to login with Game Card ID just click "I don't have a game card ID" and fill some basic information to proceed

Export Guide

1. Click here to copy the export code
2. Go to Yu-Gi-Oh! Cards DB and click My Deck => Add a Deck
3. Once the deck page loads click Edit then do one of the following based on the platform your device is running:
• (PC Only): Press F12 to open the DevTools window => Navigate to the Console tab in the window => Paste the export code => Hit Enter
• OR (Other platforms/PC): In the address bar of the current tab remove the URL and type "javascript:" without the quotations then paste the export code, then if you're on mobile look for the *globe* icon and tap on it to run the code (Chrome only), for PC users just hit enter.
4. The deck will save automatically
5. Go to the Master Duel game => Main menu => Deck option => The Card database option at the top right corner => locate the deck you exported and copy it

Click here for a more detailed guide