Trim and cut audio files with waveform preview. Select start and end points to preview your clip.

Free Online Audio Trimmer Tool

The MP3-AI.com Audio Trimmer is a powerful browser-based tool that lets you cut and trim audio files with precision. Using the Web Audio API, it decodes your audio file and renders an interactive waveform visualization, giving you visual feedback as you select your trim points. Simply upload any audio file, set your start and end times using the intuitive sliders, and preview your selection in real time.

Our audio trimmer supports all major audio formats including MP3, WAV, OGG, FLAC, AAC, and M4A. The waveform display provides a visual representation of your audio amplitude, making it easy to identify sections of speech, music, silence, or noise. The highlighted region shows your selected trim range, while the playhead moves in real time during preview playback.

This tool is perfect for podcasters who need to extract specific segments from recordings, musicians trimming samples, content creators editing voiceovers, or anyone who needs to quickly cut audio without installing desktop software. All processing happens locally in your browser — your audio files are never uploaded to any server, ensuring complete privacy and security.

Advanced features include precise time display with hundredths-of-a-second accuracy, smooth waveform rendering with 200 amplitude samples, and automatic playback stopping at the end point. The responsive design works on both desktop and mobile browsers, giving you professional audio trimming capabilities wherever you are.