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Card Vault · Private
Hint: Gua BD
Password is hashed locally — the raw value is never stored in code.
Welcome Bonus Tracker
Connect your Google Sheet
Your card data lives in Google Sheets — you stay in control, data stays private, and you can edit the sheet directly any time.
  1. Create a new Google Sheet at sheets.google.com
  2. Copy the sheet ID from the URL: …/spreadsheets/d/SHEET_ID_HERE/edit…
  3. Go to Extensions → Apps Script, paste the backend code below, and deploy as a Web App (access: Anyone)
  4. Enter your Web App URL and Sheet ID below — then click Connect
📋 Show Apps Script backend code 

      
    


    

      

        
Apps Script Web App URL

        
      

      

        
Sheet ID

        
      

    


    
    


    

      
Or try with demo data (no Google Sheets required):

      
    

  







  

    

      
      
Welcome Bonus Tracker

      

        
        
      

    

    

      

        

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          Card ↕
          Person ↕
          Institution ↕
          Status ↕
          Opened ↕
          Close Date ↕
          Action Required
          Annual Fee ↕
          Welcome Bonus
          WB Type ↕
          Last 4
          Notes