Free online trimming
Cut the audio section you need without installing software.
Trim the needed audio segment online for free
Set precise start and end times to cut a real MP3 segment from common audio formats and preview the result.
Supported formats: MP3, M4A, WAV, FLAC, AAC, OGG, WEBM
Large audio files may take longer to process in the browser.
Your audio is processed locally in this browser. The file is not uploaded to FastToolAI servers.
Cut the audio section you need without installing software.
Keep the right sound content with start and end times.
Works with MP3, M4A, WAV, FLAC, AAC, OGG, and more.
Process files in your browser to reduce upload and privacy risks.
Choose the audio file to trim.
Enter the start and end time.
Save the trimmed audio file.
Extract the useful part from full audio.
Remove blank starts, endings, or extra content.
Make shorter audio for sending.
Save course or meeting clips by topic.
Cut a favorite music section.
Keep important explanations.
Extract parts for review.
Create a shorter audio clip.
Audio trimmer cuts a selected section by start and end time. It is useful for making ringtones, saving lesson highlights, cleaning recordings, or sharing music clips.
Upload audio, set the start and end points you want to keep, and run the trim. After processing, preview the clip and download the new audio file.
The tool accepts common audio formats. Before trimming, play the source and confirm the exact time points so you do not remove the beginning or ending of speech.
Trimming changes audio duration but should keep the selected content intact. If the cut is close to speech or a beat, preview the result to check the transition.
Audio trimming runs locally in the browser when supported, and your file is not uploaded to the server. Keep the full original for interviews, meetings, or study recordings.
The output is a new trimmed audio file shown in the result area. You can preview it, download it, and keep the original audio on your device.