Online Audio Trimmer & Cutter
Trim MP3, WAV, and AAC audio files online for free. Features interactive waveform visualizers, millisecond precision, and instant client-side downloads.
Click or Drag & Drop Audio File Here
Supports MP3, WAV, FLAC, OGG, M4A formats
Highlighted region indicates audio selection to keep
Audio Trimming Export Options
| Export Preset | Processing Speed | File Size Impact | Primary Use Case |
|---|---|---|---|
| MP3 Format | Instant client re-encode | Compact (up to 80% smaller) | Ringtones, mobile samples, web audio |
| WAV Format | Instant buffer export | Uncompressed raw size | DAW music production, voiceover takes |
How to Use Online Audio Trimmer & Cutter
Select Audio File
Drop or choose an audio file (MP3, WAV, OGG, WebM, FLAC) from your device.
Set Trim Boundaries
Drag the visual start and end handles on the waveform or type exact millisecond timestamps.
Preview Audio Clip
Click Play Selection to verify the audio cut before exporting.
Export Trimmed Track
Download the trimmed audio region as an uncompressed WAV file.
Key Features & Capabilities
- Interactive visual waveform canvas displaying peak audio amplitudes
- Millisecond precise start and end trimming scrubbers
- Instant playback preview of trimmed audio selection
- 100% client-side zero-upload WAV export
All operations and data manipulation happen 100% locally in your browser memory. Your files, documents, and inputs are never uploaded to any cloud server.
Frequently Asked Questions
View All FAQsIs my audio track uploaded to a server when trimming?
No. Waveform decoding and audio buffer slicing run entirely inside your web browser thread. Your original audio file never leaves your computer.
Can I add fade-in and fade-out volume curves?
Yes. You can apply smooth fade-in and fade-out audio transitions to prevent sharp click artifacts at track boundaries.
What audio formats can I trim and download?
Upload MP3, WAV, OGG, AAC, or FLAC tracks and export trimmed clips directly as MP3 or WAV audio files.
How accurate is the visual waveform cutter?
The Web Audio visualizer allows millisecond-level precision positioning for exact clip trimming.
Having trouble with Online Audio Trimmer & Cutter?
Let us know if you encountered a bug or unexpected behavior.
Common Use Cases & Workflows — Audio Trimmer Online
Interactive Waveform Scrubber
Zoom into audio waveforms to select start and end points with millisecond accuracy.
Fade In and Fade Out Effects
Apply smooth audio fade-ins and fade-outs to avoid abrupt clicks and pops in cut clips.
Ringtone & Sample Export
Export trimmed audio clips immediately as MP3 or WAV files ready for mobile ringtones or beats.