audio station
Merge Audio Files
Arrange and merge up to 10 audio files into one MP3 or WAV output. Review the playback order before processing and download one joined track.
- Accepted input
- MP3, WAV, FLAC, AAC, M4A, OGG
- Result
- MP3, WAV
Active conversion station
Merge Audio
Join audio files in a chosen order
What does Merge Audio do?
Merge Audio is a browser-based audio tool that lets you join audio files in a chosen order. It accepts MP3, WAV, FLAC, AAC, M4A, OGG input and produces MP3, WAV. The file is checked against the displayed input rules before processing, and conversion starts only after you select Start Conversion.
How to Merge Audio Online — 3 Simple Steps
Upload your file
Drag and drop or use the file picker. The tool shows its accepted input types.
Choose your settings
Select output format, quality, and any tool-specific options.
Collect the result
Click Convert and download the processed file when it is ready.
Why Use ConvertFast's Merge Audio?
- Arrange 2–10 audio files in the exact join order
- Mix common source formats into one MP3 or WAV result
- Each source is validated as real audio before processing
- Tracks are normalized to a shared sample rate and stereo layout
- The original source files remain unchanged
Frequently Asked Questions
In which order are the audio files joined?
Files are joined in the order shown in the upload list. Use the move controls before processing to change that order.
Can I merge different audio formats?
Yes. ConvertFast normalizes the selected audio streams before joining them and returns one MP3 or WAV file.
How many tracks can I merge?
The current tool accepts between 2 and 10 audio files in one operation.
Ready? It's Free.
No account required. Input rules appear before you upload.
Open Merge Audio Tool