Audio Trimmer & Cutter

Purely local audio trimming tool. Supports interactive waveform seeking, millisecond-precise segment selection, real-time playback, and 16-bit PCM WAV export with zero server uploads.

Drop audio file here or click to browse

Supports MP3, WAV, M4A, AAC, OGG, FLAC formats, 100% locally parsed in browser

Supports up to 500MB local audio with zero server upload100% Client-side processing. Audio data never leaves your device
Pure Client-Side Local Memory Processing · Zero Data Upload

Usage Guide

  • Upload a local MP3, WAV, M4A, or OGG audio file.
  • Drag the handles on the interactive waveform or enter millisecond timestamps and preview the selected range.
  • Click 'Trim Audio' to export and download the processed lossless audio file.

Security & Privacy Guarantee

  • Supports browser-native decodable MP3, WAV, M4A (AAC), OGG, and compatible FLAC files.
  • Uses Web Audio API for local PCM decoding and slicing to ensure original sound quality with zero quality loss.
  • All processing executes purely in local browser memory with zero network uploads, guaranteeing complete privacy.

Frequently Asked Questions

Q: Does trimming degrade audio quality?
A: No. MoxiKit uses native 16-bit linear PCM precision to slice sample frames and preserves original sample rate and channels.
Q: Will my audio files be uploaded to a remote server?
A: No, never. MoxiKit operates on a 100% Local-first architecture where decoding, waveform rendering, and export remain on your device.