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Trim Audio

Cut an audio file between a start and an end and download the clip as MP3, WAV, M4A, OGG or FLAC. MP3, WAV, M4A, FLAC, OGG, WMA, AIFF and the rest.

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10 / 10 free files today

Related tools

All Audio & video tools →
Trim VideoPick the clip on a filmstrip and hear it before you cut. The cut itself is done without re-encoding, so quality and format are untouched.Audio ConverterConvert between MP3, WAV, M4A, OGG and FLAC, and change the sample rate or the channels.Change video or audio speedSpeed a video or audio file up or down, hearing the result live before anything is encoded. The pitch follows or stays natural, your choice.Extract AudioPull the audio track out of a video as MP3, AAC or WAV.Merge AudioJoin several MP3, WAV, M4A, FLAC or OGG files end to end, and download the result as MP3, WAV, M4A, OGG or FLAC.Normalise audio loudnessBring a track or a video to a standard loudness, measured in two passes.Burn subtitles into a videoPaint an SRT or VTT track into the picture, so it plays on any player.CSV to SRT converterRebuild a valid SRT subtitle file from a CSV of index, start, end and text. Times accept either the hh:mm:ss,mmm format or a plain number of seconds, a header row is skipped automatically, and cues are renumbered in order. Perfect for turning a translated or edited spreadsheet back into subtitles.

Trim Audio is free to use as often as you like, directly from this page. You will find it under Audio & video, with Trim Video and Audio Converter for the neighbouring cases.

How to use it

  1. Open the tool — no signup or install needed.
  2. Enter your input or adjust the available options.
  3. Get your result instantly, then copy or download it.
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Frequently asked questions

What does Trim Audio do?

Cut an audio file between a start and an end and download the clip as MP3, WAV, M4A, OGG or FLAC. MP3, WAV, M4A, FLAC, OGG, WMA, AIFF and the rest.

When would I actually use this?

Trimming a clip to the part that matters, pulling the audio out of a video, and converting to the format a platform will actually accept.

What is the most common mistake?

Re-encoding when a copy would do. Every lossy pass loses quality that no later step recovers, so trimming without re-encoding is always the better route when the format is already right.

How is Trim Audio different from Trim Video?

They sit next to each other but answer different questions. Trim Video: pick the clip on a filmstrip and hear it before you cut. The cut itself is done without re-encoding, so quality and format are untouched. Pick whichever matches what you're starting from — both are free.

Is there a tool for the next step?

Audio Converter is the closest one after this: Convert between MP3, WAV, M4A, OGG and FLAC, and change the sample rate or the channels.

What else is worth having open alongside it?

Change video or audio speed and Extract Audio — they come up in the same task often enough to be worth a second tab.

Where do the figures come from?

Processing runs in the browser through a WebAssembly build of the same encoders desktop tools use, on a single thread. That keeps the file private and off any server, and makes long clips slower than a native application.

Further reading

All guides →
GuideCutting and Joining Audio Without a Click at the JoinThat tick at the edit point is not a flaw in the software. It is a step in the waveform, and a step is broadband energy — which is the definition of a click. Here is the arithmetic, measured, and the two places you can put a cut so it never happens.How-toGetting the Audio Out of a Video Without a Second Generation of LossThe soundtrack inside your video has already been through a lossy encoder once. Whether extracting it costs you a second pass depends entirely on which of the three buttons you press — and "extract to MP3", the one everybody reaches for, is the one that costs.ExplainerPeak Normalisation Versus Loudness Normalisation, and the Target That Cannot Be ReachedScaling until the loudest sample hits a ceiling barely changes how loud something sounds. Measuring in LUFS does. This tool measures — in two passes, correctly — and then prints a result it never verified, which on ordinary material can be well over a decibel adrift.ExplainerMP3, WAV, FLAC: What Each Conversion Actually DestroysOne of these formats stores the samples, one stores the same samples packed smaller, and one stores a guess about what you would have heard. Which conversions between them are free, which are merely expensive, and which are one-way doors — with the arithmetic for each.How-toRemoving the Sound From a Video Without Touching the PictureOne ffmpeg command, no encoder, and a result whose video stream is byte-for-byte the one you started with — verified by checksum. Plus why the file barely shrinks, and the difference between a silent track and no track at all.ExplainerWhy Your Video Cut Lands Two Seconds EarlyYou asked for 1:23 and got 1:21. Nothing is broken: a cut that does not re-encode can only land on a keyframe, and how far away the nearest one is depends entirely on what recorded the video. Here is how to know which you have and when to accept the drift.
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