Manual Customer Contact Migration (ongoing work across multiple tenants)

I need every customer’s contact record moved out of an old, login-only web app and re-created inside my new platform one by one. The new system offers no import tool, so this is strictly manual data entry... (Budget: ₹750 - ₹1250 INR, Jobs: Customer Service, Data Cleansing, Data Collection, Data Entry, Data Management, Data Processing, Excel, PHP)