Yes, it is safe. We do not store any of your personal data. All the files generated by the extension are encrypted.
Moreover, all Chrome store extensions are reviewed manually by Google team before they approve of them on the Chrome Web store.
No. The extension developers do not see any phone numbers. In fact, we do not even ask for your phone number when using this extension unless you want to send the exported file to your phone.
No. We do not see your messages nor do we see your exported contacts. When choosing to send the exported file to your email or your phone we encrypt the data and send you a link to download the file. That data is destroyed in 60 minutes. Our developers cannot read your exported data.
Payments on the Chrome Store are processed through Google Pay (https://pay.google.com). We do not control the payment process and do not know your billing name or payment information.
You can cancel anytime through Google Pay (https://pay.google.com).