Free Secure Cloud Tool

Audio Joiner: Merge & Combine Audio Tracks Online

Combine multiple MP3, WAV, and audio tracks into a single continuous music file.

Quick Answer:Upload multiple audio files, arrange their track order, and download the combined audio track.
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Privacy & Security Guarantee

Your file is sent securely to our server for conversion and deleted automatically after 30 minutes.

How to Use the Audio Joiner: Merge & Combine MP3 Songs Online

  1. 1Upload two or more audio files.
  2. 2Drag tracks to order your playlist.
  3. 3Click 'Merge Audio' to download your combined track.

Formula & How It Works

FFmpeg Audio Concat Demuxing

ffmpeg -i 'concat:file1.mp3|file2.mp3' -acodec copy output.mp3

Concatenates audio streams seamlessly using the FFmpeg concat filter.

Worked Examples

Merging Podcast Intro & Episode

Input: intro.mp3 + episode.mp3 + outro.mp3

Explanation: Combines 3 segments into one master podcast episode.

Result: podcast-final.mp3

Frequently Asked Questions

Is there a limit on how many songs I can merge?▼

You can merge up to 10 audio tracks in a single session.

Quick Reference & Conversion Table

Audio FormatChannel ModeOutput Standard
MP3 / WAV / M4AStereo / MonoStandard 320k Stereo MP3

⚠️ Common Pitfalls to Avoid

  • •Joining tracks with mismatched sample rates (our tool automatically resamples to 44.1 kHz).

💡 Practical Real-World Uses

  • •Combining audiobook chapters and assembling dance party playlists.
Last reviewed & updated: 2026-11-07
Free & Open Access
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