Pro purchases for Collectorium are processed by Polar. Refunds, chargebacks, and payment disputes are handled according to Polar's policies and the terms shown on your checkout page.
We encourage you to use the free tier from the Chrome Web Store to confirm the extension fits your workflow. License keys are delivered electronically after checkout.
For questions about activation or the extension itself, use the contact on the home page. For billing or receipt issues, use Polar's customer portal linked from your purchase email or the home page.