Audio Trimmer & Fader
Web Audio APICut audio files, trim start/end times with millisecond precision, and apply smooth fade-in and fade-out curves. Zero server upload.
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Drag & drop an audio file here, or browse file
Supports MP3, WAV, OGG, M4A, FLAC, WebM
Audio File 0:00.000
100% Local & In-Browser Execution
Your device powers this tool. Zero cloud uploads.
Private On-Device Run
All file processing, calculations, and conversions run entirely inside your browser using your device's CPU and memory. Your data never touches any external server.
Hardware & Performance
Processing speed depends on your device's hardware. Handling heavy media or large documents may temporarily utilize local RAM and processor capacity.
Limitation of Liability
Provided on an “as is” basis without warranties of any kind. Always keep backups of critical source files. Subject to our terms.
By using this tool, you acknowledge local execution and agree to our limitation of liability.