Toolsvana→Video & Audio Tools→Cut Audio

Cut Audio

Trim audio files to specific start/end times

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Upload Audio File

Choose an audio file to cut and trim

Maximum file size: 300MB

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Precise Cutting

Cut audio with millisecond precision

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Real-time Preview

Listen to your audio while selecting cut points

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Quality Preserved

No quality loss during the cutting process

About Online Audio Cutter & Trimmer

Our free online audio cutter lets you trim and cut audio files with millisecond precision directly in your browser. Whether you need to remove unwanted sections from a podcast episode, extract a specific clip from a song, or create a custom ringtone, this audio trimmer tool delivers professional-grade results without any software installation.

Built with the Web Audio API, this audio splitter supports all major formats including MP3, WAV, M4A, OGG, and more. The intuitive visual timeline with draggable start and end markers makes it easy to select exactly the portion of audio you want to keep, while the real-time preview feature lets you hear your selection before committing to the cut.

All processing happens locally on your device, so your audio files are never uploaded to any server. This browser-based audio editor ensures complete privacy while delivering fast, high-quality results. The trimmed output is saved as a WAV file to preserve maximum audio fidelity.

Key Features

Millisecond-precision cutting with exact timestamp input controls
Visual timeline with draggable green (start) and red (end) markers
Support for MP3, WAV, M4A, OGG, FLAC, and other audio formats
Real-time audio preview of selected range before cutting
Built-in audio player with play, pause, and time tracking
"Set Current" buttons to use playback position as start or end point
Lossless quality preservation in WAV output format
Files up to 300MB supported for handling long recordings
Instant download of trimmed audio segments
Fully responsive design for desktop and mobile use

How to Cut Audio Online

Upload your audio file: Click "Choose Audio File" to select an audio file from your device. Supported formats include MP3, WAV, M4A, OGG, and more (up to 300MB).
Set the start and end points: Drag the green marker to set your start time and the red marker to set your end time on the visual timeline. You can also enter exact timestamps manually.
Preview your selection: Click "Preview Selection" to listen to the portion of audio you have selected and confirm it sounds right.
Cut the audio: Click the "Cut Audio" button to process your selection. The tool will extract the selected segment at full quality.
Download the result: Once processing is complete, use the built-in player to verify the trimmed audio, then click "Download Trimmed Audio" to save it to your device.

Use Cases

Podcast editing: Remove intros, outros, awkward pauses, or unwanted segments from podcast episodes quickly and easily.
Ringtone creation: Extract the perfect 30-second clip from your favorite song to use as a custom phone ringtone.
Music sampling: Cut specific sections from songs to create loops, samples, or beats for music production projects.
Video production: Prepare precise audio clips for use as background music, sound effects, or voiceover segments in video editing.
Lecture extraction: Pull out key segments from recorded lectures or webinars for study notes or course materials.
Interview editing: Trim interview recordings to isolate specific quotes, answers, or discussion segments.
Audio messaging: Cut voice recordings to share only the relevant portions with colleagues or friends.
Audiobook production: Split long recordings into chapters or segments for organized audiobook distribution.

Frequently Asked Questions

Is this tool free?

Yes, our audio cutter is completely free to use with no hidden costs, watermarks, or usage limits. Cut as many audio files as you need without any restrictions.

Is my data secure?

Absolutely. All audio processing is performed locally in your browser using the Web Audio API. Your files are never uploaded to any server, ensuring complete privacy and security.

What audio formats are supported?

The tool accepts all audio formats your browser can decode, including MP3, WAV, M4A, AAC, OGG, FLAC, and WebM. The output is always saved as high-quality WAV for maximum fidelity.

What is the maximum file size?

You can upload audio files up to 300MB in size. This is more than enough for most recordings, including multi-hour podcasts and lengthy interview sessions.

Will cutting reduce the audio quality?

No. The cutting process extracts the selected audio segment without re-encoding or compressing it. The output WAV file preserves the full quality of the original audio data.

Can I use this on my phone?

Yes, the audio cutter is fully responsive and works on mobile browsers. The draggable markers and touch-friendly controls make it easy to set precise cut points on any device.

Tips & Best Practices

Use the preview feature: Always preview your selection before cutting to make sure you have captured exactly the right segment of audio.
Fine-tune with manual input: For precise cuts, enter exact start and end times in the number fields rather than relying solely on the draggable markers.
Use "Set Current" buttons: Play the audio to the exact point you want, then click "Set Current" to use the playback position as your start or end timestamp.
Leave a small buffer: When trimming speech, include a tiny margin (0.1-0.3 seconds) at the start and end to avoid cutting off the beginning or end of words.
Convert output if needed: The tool outputs WAV files for quality. If you need MP3 or another format, use our companion converter tools available on the site.
Work with shorter files for speed: While the tool supports files up to 300MB, processing is faster with smaller files. If you only need a small section from a very large file, consider the tradeoff.