AudioTrimmer (FREE)

AudioTrimmer Extension

AudioTrimmer is a powerful, feature-rich Android extension designed for MIT App Inventor and Kodular. It enables developers to integrate a professional, interactive audio editing interface directly into their applications. Featuring a sleek cyber-neon UI, real-time waveform visualization, and robust processing capabilities, it allows users to trim, cut, and merge audio files (WAV, MP3, M4A, AAC) with high precision.

Key Features & Capabilities:

  • Interactive Neon UI (ShowUI / HideUI): Embeds a ready-made, customizable neon-styled interface directly inside any VerticalArrangement . Supports dynamic color customization (NeonPrimaryColor , NeonSecondaryColor ) and automatically adapts to the phone’s system language (Russian/English).
  • Precision Audio Trimming & Cutting:
    • Trim specific audio segments or cut out unwanted parts with millisecond accuracy or time formatting (mm:ss.mmm ).
    • Supports both “Keep Selection” and “Delete Selection” modes.
  • Advanced Audio Merging (Joiner): Combine multiple audio files sequentially. Includes an interactive reordering list with drag-and-drop support (≡ ), crossfade configuration, and volume normalization.
  • Visual Waveform & Playback Controls:
    • Interactive waveform bar with zooming (+ , - , FIT ), panning, and visual playhead tracking.
    • Built-in preview player to listen to the entire file, the selected range, or preview the processed result before saving.
  • Effects & Export Settings: Configure Fade In, Fade Out, Crossfade durations, output formats (Auto , M4A , WAV ), and custom bitrates (96, 128, 192, 256 kbps).
  • System Integration & File Management:
    • Native file picker integration for selecting single or multiple audio files.
    • Automatic export to the public Music/AudioTrimmer folder (fully compatible with Android MediaStore / Scoped Storage) with fallback options.
    • Quick actions to open, share, or set the resulting audio file as a ringtone.
      :package: Package: com.audiotrimmer
      :floppy_disk: Size: 146,08 KB
      :mobile_phone: Minimum API Level: 14
      :date: Updated On: 2026-10-31T21:00:00Z
      :laptop: Built & documented using: FAST v7.7.0

com.udiotrimmer.aix (157.6 KB)

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