Cut Audio
Trim audio files to specific start/end times
Audio file
Drag the two markers, or focus one and use the arrow keys (Shift for whole seconds). Click the bar to move the playhead; right click sets the start, Alt + right click the end.
Result
Your result appears here.
Choose a file to begin.
Good to know
- The cut part is saved as a 16-bit WAV file, whatever the input format.
- The sample rate is your device's playback rate, usually 44.1 or 48 kHz.
- Times can be set to a hundredth of a second.
- The file is named after your audio with _trimmed.wav at the end.
About Online Audio Cutter & Trimmer
Our free online audio cutter lets you trim and cut audio files to a hundredth of a second. For dead air at the start of a podcast episode, a 30-second chorus for a ringtone, or one answer out of a long interview recording, this audio trimmer tool delivers professional-grade results without any software installation.
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.
Your audio files stay on your device and are never uploaded to any server. This online audio cutter ensures complete privacy while delivering fast, high-quality results. The trimmed output is saved as an uncompressed 16-bit WAV file.
Key Features
- Cut points to 0.01 seconds 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
- Uncompressed 16-bit WAV output, even from MP3 files
- Files up to 300MB supported for handling long recordings
- Download of the trimmed audio as a WAV file
- 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 saves the selected segment as a 16-bit WAV file.
- 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
What audio formats are supported?
The tool accepts most audio files, including MP3, WAV, M4A, AAC, OGG, FLAC, and WebM. The output is always a 16-bit WAV file, even when you cut an MP3.
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 compression is added. The selected segment is saved as an uncompressed 16-bit WAV file, at your device's playback rate (usually 44.1 or 48 kHz).
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.