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HomeVideoAudio Trimmer

Audio Trimmer

Trim and cut audio files with waveform visualization. Free, private, runs in your browser.

100% private — your files never leave your browser. All processing happens locally on your device.

Drop an audio file here, or click to browse
MP3, WAV, OGG, FLAC, M4A, AAC, WebM

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What Is Audio Trimming?

Audio trimming cuts a specific portion from an audio file — keeping only the part you want and discarding the rest. This is essential for creating ringtones from songs, extracting specific segments from recordings, removing dead air from podcast episodes, cutting intros/outros from audio files, and preparing audio clips for presentations or social media. Unlike basic cutting, a good audio trimmer provides visual waveform feedback so you can see exactly where to cut.

Why Use This Tool?

Most audio trimming requires installing desktop software like Audacity or GarageBand. This tool runs entirely in your browser with zero installation. The waveform visualization shows your audio graphically, making it easy to identify silent sections, loud peaks, and the exact points where you want to cut. Drag handles let you set precise start and end points, and you can preview the selection before committing. Fade in/out controls ensure smooth transitions at the cut points.

How Does It Work?

Upload an audio file and a visual waveform renders in your browser using wavesurfer.js. Drag the region handles to select the portion you want to keep (or remove). Set optional fade-in and fade-out durations for smooth transitions. Choose your output format (MP3, WAV, or OGG) and click Process. The tool uses FFmpeg WebAssembly — the same audio engine used by professional video editors — running entirely in your browser for fast, high-quality results.

Is It Safe?

Completely. Your audio file is loaded and processed entirely in your browser using WebAssembly. No audio data is uploaded to any server. This is safe for confidential recordings, unreleased music, podcast drafts, and any audio you want to keep private.

FAQ

What audio formats are supported?

MP3, WAV, OGG, FLAC, M4A, AAC, and WebM audio files. The tool uses FFmpeg to handle all common audio formats.

Can I preview before trimming?

Yes. The waveform display lets you see the audio visually, set precise start and end points, and play the selection before processing.

Does it support fade in/out?

Yes. Set fade-in and fade-out durations to smoothly transition the audio at the start and end of the trimmed clip.

Is this safe?

Yes. All processing happens in your browser using FFmpeg WebAssembly. Your audio files are never uploaded to any server.