How to trim an audio file
- Add your audio. Drag an MP3, M4A, WAV, OGG, FLAC or other audio file onto the box above, or tap it to pick one. The waveform appears after a moment.
- Choose the part to keep. Drag the start and end handles on the waveform, click the waveform to move the nearest handle to that spot, or type times such as 1:05.5 into the Start and End fields. Press 30 seconds for a ringtone for a quick 30-second selection.
- Listen to your selection. Press Play selection to hear exactly what will be kept; playback stops at the end handle.
- Set fades and format. Choose a Fade in and Fade out of up to 5 seconds, and pick a format under Save as – Same as original, MP3, M4A, M4R for iPhone or WAV.
- Press Trim audio and download. Listen to the trimmed file on the page, compare its size with the original, and download it.
Features
- Waveform view of the whole file with a highlighted selection, so quiet gaps and loud passages are easy to spot.
- Draggable handles that also work with the keyboard: arrow keys move 0.1 seconds, Shift plus an arrow moves one second, Page Up and Page Down move five seconds.
- Exact time fields for start and end, accepting minutes and seconds with tenths.
- Play selection to preview the cut before saving.
- Fade in and fade out from half a second to five seconds, applied smoothly at the edges of the clip.
- Output formats: same as the original, MP3, M4A, M4R ringtone or uncompressed WAV.
- Ringtone shortcut that selects 30 seconds, and a warning when an iPhone ringtone would be longer than 40 seconds.
Why use Fileora to trim audio
Most online audio cutters upload your file before you can even see it. Fileora draws the waveform and cuts the file inside your browser, so a private voice memo, an interview or an unreleased song never leaves your device. There's no sign-up, no watermark, no added jingle and no daily limit, and it works on phones as well as computers.
Because the file isn't uploaded, you can start straight away even with a long recording. The audio engine downloads once (about 31 MB) the first time you trim and is cached by your browser after that.
Making a ringtone step by step
Pick the song or sound you own, press 30 seconds for a ringtone, then drag the selection until it starts on the beat or line you want. A short fade in of half a second and a fade out of one or two seconds make the ringtone start and stop gently instead of cutting in mid-note. Save as MP3 for Android. For iPhone, choose M4R, which is the AAC format iPhone expects for ringtones, and keep it at 40 seconds or less.
Where trimming fits in
Trimming is often one step of a bigger job. If your audio is still inside a video, get it out first with Extract Audio from Video. If you have several clips – chapters of an audiobook, parts of a recorded talk – trim each one and then join them with Merge Audio, with a short silence or a crossfade between them. And when you only need a quick MP3 of a phone video, the MP4 to MP3 converter does it in one step.