FileAppsFileApps
Audio Tools5 formats supported

Free online audio trimmer

Use this free online audio trimmer to cut audio files in your browser. Trim MP3, WAV, M4A, FLAC, and OGG files without uploading them to a remote service.

  • Precise start and end time trimming
  • Visual waveform display for accuracy
  • Cut without re-encoding for supported formats

Supported formats

MP3WAVAACOGGFLAC

Choose the part to keep

Set the section you want to keep, then export the trimmed result.

1
2
3
4
5

Drag & drop Audio Trimmer

or click to browse

Supported: MP3, WAV, OGG, M4A, FLAC, AAC

How It Works

A simple three-step flow from upload to download.

  1. 1

    Upload your audio file and view its waveform.

  2. 2

    Drag the handles or enter times to select a segment.

  3. 3

    Trim and download the selected portion.

Features

Key capabilities surfaced as quick-scan cards.

  • Precise start and end time trimming

  • Visual waveform display for accuracy

  • Cut without re-encoding for supported formats

  • Preview trimmed segment before download

Related Tools

Nearby workflows people often use before or after this audio tool.

Audio Converter

MP3 · WAV · AAC

Convert audio files between MP3, WAV, AAC, OGG, FLAC, M4A, and WMA.

Open tool

Audio Compressor

MP3 · AAC · OGG

Reduce audio file size with adjustable bitrate and quality optimization.

Open tool

Audio Merger

MP3 · WAV · AAC

Join multiple audio files together in sequence or layered arrangement.

Open tool

Audio Effects

MP3 · WAV · AAC

Apply filters, speed changes, reverse, and volume adjustments to audio.

Open tool

How to trim audio online

  1. 1

    Upload your audio file

    Choose an audio file from your device or drag it into the trimmer. The waveform preview helps you see the shape of the recording before you cut it.

  2. 2

    Set the part you want to keep

    Drag the start and end handles to select the section you want. This makes it easy to cut a song, shorten a voice note, remove extra silence, or prepare a ringtone clip.

  3. 3

    Trim and download

    Export the selected section and download the trimmed audio when it is ready. The process runs in your browser, so you can cut audio online without sending the recording to a remote service.

Understanding the settings

If the output format stays the same, trimming can often use stream copy, which is faster and avoids unnecessary re-encoding. That is the best choice when you only want to remove unwanted audio without changing quality. If you switch formats, the audio has to be re-encoded, which can help compatibility but takes a little longer. For short clips like ringtones, trimming first is usually more important than changing bitrate, because duration often affects file size more than anything else.

Best settings for common goals

Fastest clean trim

Keep the output format the same as the source if you only need to cut a section out.

This usually allows stream copy, which is faster and avoids unnecessary quality loss.

Ringtone creation

Trim first, keep the clip short, and export to M4A or MP3 depending on the target phone.

A short duration matters more than bitrate for ringtone use, and format compatibility differs between iPhone and Android workflows.

Practical guidance

When trimming solves the size problem better than compression

A surprising number of audio files are only large because they contain dead air, repeated takes, or irrelevant material. Cutting those sections first often preserves quality better than lowering bitrate aggressively.

  • Use trim first for lectures, meetings, podcasts, and long voice notes.
  • Keep the same format if you want the fastest export path.
  • Re-encode only when you also need a different destination format or cleaner boundaries.

Compatibility, privacy, and limitations

Copy mode vs re-encode mode

If the output format stays the same, trimming can often use copy mode. If you switch formats, the tool must re-encode the file, which adds processing time but allows broader compatibility choices.

Privacy explanation

Local audio trimming is especially useful when the beginning or end of a recording contains private context that should never leave your device before it is removed.

Things to keep in mind

  • This tool extracts one continuous region at a time rather than assembling several separate clips into one export.
  • Automatic silence detection is not the primary workflow here, so manual selection remains the most reliable approach.

Frequently asked questions