Merge Audio Files
Upload multiple audio files, arrange order, and merge into one file.
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Merge Audio Files
Merge multiple audio files into one track online. Supports mixed formats and keeps your order.
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Upload a file to get started.
Supported Input and Output
- Accepted input
- Two or more MP3, WAV, AAC, M4A, OGG, FLAC, or WMA files
- Output
- One audio track in the selected output format
- Upload limit
- Up to 30 files; each file is subject to the default 25 MB limit
- Controls
- Drag-to-reorder track list, Output format and bitrate
What This Processing Changes
Tracks are decoded, normalized to a compatible encoding, and joined in order. The tool does not add fades or automatically match perceived loudness.
How to Check the Result
- Verify the duration and audio codec in the downloaded file.
- Listen for distortion; increasing bitrate cannot restore discarded source detail.
Limits and Troubleshooting
- Put tracks in final order before processing.
- Large differences in loudness or sample rate can remain audible at joins.
Related Audio Tools
Worked Example: Join two copies of a two-second tone in order.
- Upload tone.mp3 from the downloadable example.
- Choose Output format: mp3, bitrate: 128 kbps.
- Process, download, and listen to the complete result.
Check Your Download
- Verify the duration and audio codec in the downloaded file.
- Listen for distortion; increasing bitrate cannot restore discarded source detail.
Limit: The sample is a synthetic tone, not speech or music. Its size and quality are not representative of every recording.
Download the example input and repeat the steps above. These are generated test files, not customer uploads.
- Input bytes (all files)
- 33,052
- Output bytes
- 65,245
- Verified result
- 4.000 seconds; mp3
- Test date
- 2026-10-06
Measurements apply to this sample and these settings. Other inputs and codec versions can produce different sizes and results.