Frequently asked questions

MR Maker takes an uploaded song file, separates the vocals, and prepares an instrumental track. Result quality can vary by source material, and available features may change as the service evolves.

We support MP3, WAV, FLAC, M4A, and AAC files, with a maximum upload size of 50MB.

Yes. Login is required for result access, full conversion, credit management, referral rewards, and support history. Guest or limited-access options can change based on the current operating policy.

Credits are deducted when a paid action actually runs. Full conversion and key change are charged at execution time. If duplicate or abnormal deductions are confirmed, they can be reviewed and adjusted.

Payment errors, duplicate charges, and unused remaining credits may be adjusted or refunded within the scope of applicable law and payment provider policies. Once digital delivery has started or used credits are involved, withdrawal or refund rights may be limited under applicable exceptions.

AI separation quality depends on the original mix, noise, chorus, live ambience, compression, and similar factors. We do not guarantee a particular output quality or commercial suitability.

Uploaded files are used temporarily for processing and then cleaned up. Result files or logs may remain for a limited period for stability, dispute handling, or third-party provider policies, so you should download the output you need promptly.

You are responsible for checking the rights attached to the original recording and any output. If you use copyrighted material commercially without permission, the legal responsibility remains with you.

When a friend signs up with your referral link, both sides can earn points. If the invited friend completes a purchase, extra points may be awarded. Fraud or abuse can result in point or credit reversal.

Please contact us at marine.wave4@gmail.com or through our Kakao support channel. Including your order ID and login account will help us respond faster.