Audio Joiner

🔒 Your files never leave your browser. All processing happens locally.

🎵 Drop audio files here or click to select

Supports MP3, WAV, OGG, AAC, M4A — Multiple files allowed

✅ Audio files joined successfully!

📥 Download Joined Audio (WAV)

How to Use

1

Add multiple audio files (MP3, WAV, OGG, AAC, M4A)

2

Reorder files and set crossfade duration

3

Click 'Join & Download' to merge into one file

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How to Use Audio Joiner

  1. 1
    Upload multiple audio files
    Click to upload or drag in multiple MP3, WAV, or OGG files. Add as many as you need.
  2. 2
    Arrange the order
    Drag the file list to set the playback order. The joined audio will follow this sequence.
  3. 3
    Set crossfade (optional)
    Enable crossfade to blend audio smoothly between tracks instead of cutting abruptly.
  4. 4
    Join and download
    Click Join to combine all files. Download the single merged audio file when complete.

Features

Use Cases

Create a continuous music mix

Join multiple tracks into one seamless audio file for background music at events or on websites.

Compile podcast episodes

Combine intro music, interview segments, and outro into a single final podcast audio file.

Assemble audiobook chapters

Merge narrated chapter files into a single audio file for distribution.

Stitch together voice recordings

Combine multiple voice memo recordings made on different occasions into one continuous audio file.

Merge sound effects

Game and app developers can merge multiple short sound effect files for use in their projects.

Frequently Asked Questions

Q: Are my audio files uploaded to a server?

No. All joining happens locally in your browser. Your files stay on your device.

Q: What formats can I join?

MP3, WAV, and OGG are supported for input. Output is MP3 or WAV.

Q: Can I join files of different formats?

Yes. Mix and match MP3, WAV, and OGG files and they will be joined into a single output file.

Q: Is there a limit on how many files I can join?

No hard limit. Joining many large files requires more RAM and processing time.

Q: What is crossfade and should I use it?

Crossfade blends the end of one track into the beginning of the next. Use it for smooth music transitions. Disable it for distinct audio segments.

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