MP3 cutter
Cut the part you want out of an MP3, without re-encoding it.
Runs in your browser. Nothing is uploaded.
Drop an audio file
MP3, M4A, WAV, FLAC or any audio your browser can play. It stays on your computer.
More about this tool
- 1
Add the audio
An MP3, or an M4A, WAV, FLAC or other file your browser plays.
- 2
Set the start and end
Type times like 0:30, or play to the spot and tap Use current time.
- 3
Cut and download
Play the piece to check it, then download the MP3.
An MP3 is a run of short frames, about 26 milliseconds each at 44.1 kHz. The cutter keeps the frames between your start and end and copies them as they are, so nothing is decoded or encoded again and the sound is unchanged. The cut lands on the frame boundary next to your time, within about 26 milliseconds.
Other audio, such as M4A, WAV or FLAC, is encoded to a 192 kbps MP3.
A short MP3 works as an intro, a sound for a video, or a clip to share. Android phones can use it as a ringtone; iPhone ringtones need Apple's M4R format, which this tool doesn't make.
The same cut on the command line, copied without re-encoding:
- ffmpeg -ss 0:30 -to 1:00 -i song.mp3 -c copy clip.mp3
Sources
Questions
No. The file is read and the piece is written in your browser.
No. The frames you keep are copied as they are. Only other formats are encoded, to 192 kbps MP3.
For Android, yes: set the MP3 as a ringtone in your phone's sound settings. iPhone ringtones use M4R, which this tool doesn't make.
No. The cutter keeps the sound as it is. Use an audio editor for fades.
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