Is it possible to check if audio will get me banned before uploading it?

No, for that you can just use some more trustable VPNs like NordVPN, SurfShark, etc.

Although, pretty sure most Operating Systems allow you to run a browser VPN on your entire device.

Of course it is. OP is not planning on intentionally breaking them in the first place. They simply want to ensure that their audio obeys the community standards.

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