You can download iRingg for both and macOS directly from the developer's site. iRingg - iPhone for PC - Keysworlds
Beyond simple trimming, you can add sound effects (SndMojis) or record your own voice to overlay on the track. How to Download and Install iRingg download iringg
Unlike basic ringtone cutters, iRingg integrates machine learning and direct transfer technology to streamline the entire experience. You can download iRingg for both and macOS
Upon launch, iRingg analyzes your existing music library to suggest tracks you might enjoy as ringtones. download iringg
It utilizes "UCB & αWiFi" technology to send ringtones directly to the default ringtone section of your iPhone without needing iTunes syncing.