Audio Merger
Decode and join audio files in file order, then encode one MP3. Multiple supported MP3, WAV, M4A, OGG, or FLAC files, including mixed formats. One MP3 file at 44.1 kHz, stereo, and 192 kbps. MP3 output uses lossy re-encoding, including when the inputs are already MP3.
Processed locally in your browser — files are never uploaded
Why use this converter?
Key details about this conversion path.
A defined operational boundary
MP3 output uses lossy re-encoding, including when the inputs are already MP3.
Multiple-file input
The converter accepts multiple files in one queue for repeatable processing.
Audio Merger
Normalizes sample rate and channel layout before joining different audio formats.
Input expectations are explicit
Multiple supported MP3, WAV, M4A, OGG, or FLAC files, including mixed formats.
How to use this converter
Follow these three steps.
- 1
Add your input
Select or drop Multiple supported MP3, WAV, M4A, OGG, or FLAC files, including mixed formats.
- 2
Review file order
Add the files you need and confirm their queue or document order.
- 3
Process and download
One MP3 file at 44.1 kHz, stereo, and 192 kbps.
Frequently asked questions
Details about this conversion and its output.
Decode and join audio files in file order, then encode one MP3.
MP3 output uses lossy re-encoding, including when the inputs are already MP3.
Yes. This converter accepts multiple inputs; operation-specific ordering or compatibility requirements still apply.
Example use: Joining sequential MP3 recordings.
Multiple supported MP3, WAV, M4A, OGG, or FLAC files, including mixed formats.
One MP3 file at 44.1 kHz, stereo, and 192 kbps.
Common use cases
Practical ways to use this tool.
- Joining sequential MP3 recordings
- Combining compatible MP3 chapters
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