Audio Merger
Combine multiple audio files into a single track in the order you choose. Free, no signup, works in your browser.
Everything runs inside your browser — your file is never uploaded to a server.
First run downloads the media engine (~30 MB) once, then it stays cached.
About this tool
Whether you're stitching together podcast segments, joining voice memos, or assembling a music mix, merging audio files usually means installing heavy desktop software. This tool lets you pick several audio clips, arrange them in the order you want with simple drag handles, and concatenate them into one continuous file. It runs entirely on FFmpeg compiled to WebAssembly, so the files never leave your device and there is no size cap imposed by a server. You can mix formats like MP3 and WAV in the same batch, and the tool automatically re-encodes tracks so they line up seamlessly without clicks or gaps at the seams. Once merged, preview the combined track before exporting it in your preferred format, ready to share or upload wherever you need it.
How to use this tool
1. Add your audio files
Select two or more audio clips from your device to merge.
2. Arrange the order
Drag the files into the sequence you want them joined.
3. Merge the clips
Click merge and FFmpeg combines them locally into one track.
4. Download the combined file
Save the merged audio to your device in your chosen format.
Why use this tool
Manually joining audio clips usually requires a full desktop editor just to get one continuous file. This tool skips that overhead entirely, letting you reorder and concatenate clips in a few clicks right in your browser. Since processing happens locally, there's no upload wait, no privacy concern about sensitive recordings, and you can re-merge instantly if you want to change the order.
Tips & best practices
- Normalize each clip's volume before merging so the combined track doesn't have jarring loudness jumps.
- Trim silence from the start and end of each clip first for a tighter, more professional final result.
- Export as WAV if you plan to edit further, or MP3 if you're ready to publish the final file.
Common use cases
- Joining multiple podcast recording segments into one episode file.
- Combining several voice memos into a single narration track.
- Stitching together a DJ mix from individual song clips.
- Merging separate interview answers into one continuous audio file.
- Assembling a meditation track from separate spoken sections and music.
Frequently asked questions
Can I merge files of different formats together?
Yes, you can mix MP3, WAV, M4A, and OGG files in one merge and export a single consistent format.
Can I reorder the clips before merging?
Yes, drag each file into the order you want before starting the merge.
Will there be gaps or clicks between clips?
No, the tool re-encodes and joins tracks smoothly to avoid audible seams.
Is there a limit to how many files I can merge?
No fixed limit, though merging many long files takes more processing time on your device.
Do my files get uploaded to a server?
No, everything is processed locally in your browser using WebAssembly.
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