Merge audio files
Put several recordings or songs end to end into a single MP3 file, in the order you choose.
Drop your files here
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Processed on your device, never uploaded
∞ Unlimited: no limit on file size or number of files
Files ready Done
Preview
How to
- Add at least two audio files.
- Put them in the order you want.
- Start, then download the merged MP3.
Frequently asked questions
Can the files be in different formats?
Yes: MP3, WAV, M4A and OGG can be mixed, even mono and stereo. Everything is brought to 48 kHz stereo, then saved as a 192 kbps MP3.
Is there a gap between files?
No, the files are joined one right after the other.
Are my files uploaded?
No, they stay on your device.
Are my files uploaded to a server?
No. Processing happens entirely in your browser, on your device. No file is uploaded or stored. You can check: once the page has loaded, disconnect from the internet and the tool still works.
Is there a file size or number limit?
No. Since nothing goes through our servers, there is no quota. The only limit is your device's memory: a computer handles very large files more easily than a phone.
Is it really free?
Yes. No sign-up, no watermark added to your documents and no usage limit.