audio toolsMulti-Track

Merge Audio Files Online

Join songs, combine podcast segments with intro music, and stitch voice notes together with drag-and-drop ordering.

Processed locally in browser memory. Zero server uploads.

Audio Track Merger

Combine multiple audio files into a single seamless track. Reorder tracks freely.

No tracks added yet

Click to select two or more MP3, WAV, or AAC audio files

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How to Use Audio Merger & Joiner

1

Upload Audio Clips

Upload 2 or more audio files.

2

Reorder Tracks

Drag and drop tracks to sequence them in the desired playback order.

3

Merge & Download

Render the combined audio track into a single MP3 or WAV master.

About Audio Merger & Joiner

The merger concatenates audio sample streams sequentially, dynamically resampling mixed sample rates to a uniform master frequency (44.1kHz or 48kHz).

Supported Formats

MP3WAVM4AOGGFLAC

Operational Limits

  • Total combined duration depends on device RAM

Key Features

  • Combine unlimited audio tracks
  • Drag-and-drop track reordering
  • Optional smooth crossfade between clips
  • Multi-format mixing support

Frequently Asked Questions

Yes, Toolxilla automatically resamples and aligns all input formats to a uniform master sample rate.