Audio Cropper PRD
Trim audio clips by a selected time range. Free tier: 3 uses per day; perpetual license removes usage limits.
# Audio Cropper
## Product positioning
Preview local audio and export a selected segment for ringtones or other assets.
## Core features
Audio preview; start and end time settings; clip export; progress display; output path selection.
## Input and output
Input: a local audio file and time range
Output: a trimmed audio clip
## Supported platforms
Windows, macOS, and Linux; runs locally and offline.
## Business model
Free tier: 3 uses per day
Perpetual license removes usage limits.
## Processing notes
Files are processed locally and are not uploaded to third-party services.