Know exactly what your One Piece TCG collection is worth — in real time. 🏴‍☠️

The Grand Line Card Tracker is your private card portfolio. Add your cards, enter what you paid, and instantly see live market value and profit & loss on every card — and across your whole collection.

What you get

• 📈 Live market value for every card — Japanese and English prices
• 💰 Profit & loss per card and total — know what you’re really sitting on
• 🌍 Your currency — track in IDR, USD, or JPY
• 🔎 Full card database — search any card and see stats, art, and details
• 🧱 Deck Builder — paste a decklist, get the cost to finish it
• ↩️ Trade-in value — what a shop would actually pay today
• 📊 Collection value chart — watch your portfolio grow over time
• 📱 Works on your phone — check your collection anywhere

Who it’s for
Collectors and players who want to treat their cards like the investment they are — and always know their number.

How it works
Subscribe, log in with Whop, and open the tracker. Your collection stays private to you. Cancel anytime.

Grand Line is a fan-made tool, not affiliated with, endorsed by, or sponsored by Bandai or Toei Animation. One Piece and all related names are trademarks of their respective owners.