Audio Joiner / Merger

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Free Online Audio Joiner And Merger

Use this free online audio joiner / merger to combine multiple MP3, WAV, M4A, AAC, OGG, FLAC, and other audio files into one MP3 directly in your browser. No software installation or registration is required.

Arrange files in any order, trim individual clips, add silence or crossfades between tracks, preview the result, and merge everything into one MP3 file up to 60 minutes long.

What Can You Use This Audio Joiner For?

• Combine music tracks into one continuous MP3 for videos, presentations, events, or personal listening.
• Merge voice recordings such as interviews, podcast segments, narration, lessons, or meeting recordings.
• Join audio clips for video and arrange music, voice, intros, outros, or other audio in the required order.
• Create smooth music mixes by adding crossfades between individual tracks.
• Add pauses between recordings by inserting a custom amount of silence between files.

Key Features

• Free online audio merger with no registration or software installation required.
• Combine up to 20 audio files into one MP3, with a maximum finished duration of 60 minutes.
• Supports popular formats including MP3, WAV, M4A, AAC, OGG, and FLAC.
• Arrange files in any order before merging.
• Trim individual audio clips using draggable waveform handles.
• Choose how files are joined with no gap, added silence, or adjustable crossfade.
• Add fade in and fade out to the beginning and end of the finished audio.
• Preview before merging and check the combined duration and estimated MP3 file size.
• Choose MP3 bitrate before creating the finished file.
• 100% private because your audio is not uploaded to our server.

Frequently Asked Questions

How Do I Merge Audio Files Online?

Upload two or more audio files, arrange them in the order you want, optionally trim each clip, choose a transition, and preview the combined audio. When everything sounds right, merge the files and download the result as one MP3.

Can I Merge MP3 Files For Free?

Yes. You can join MP3 files online for free without installing an app or creating an account. You can also combine MP3 files with WAV, M4A, AAC, OGG, FLAC, and other supported audio formats.

Can I Add A Crossfade Between Audio Files?

Yes. Choose the crossfade option to overlap adjacent files and create smoother transitions. You can adjust the crossfade duration up to 10 seconds.

Can I Add Silence Between Audio Files?

Yes. Select the add silence option and choose how much silence should be inserted between each file. This is useful when joining voice recordings, podcast segments, lessons, or other clips that need a pause between sections.

How Long Can The Merged Audio Be?

The finished MP3 can be up to 60 minutes long. The tool shows the combined duration before you merge the files.

Does This Tool Upload Or Store My Audio?

No. This audio joiner is 100% private. Your files are processed locally in your browser and are not uploaded to or stored on our server for editing.