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Merge audio files for free

Combine two or more tracks into a single file, in the order you choose, even if they come in different formats, without leaving your browser.

Your audio never leaves your device. 100% local processing in your browser, with no usage caps.

Drag your audio files here or click to choose them

  • .mp3
  • .wav
  • .flac
  • .ogg
  • .m4a
  • .aac

Use your Google Drive without giving up your privacy

Pick files from your Drive, process them here and save the result to any folder you like. Everything happens in your browser: ShiftAny has no servers of its own.

  1. Your Google Drive
  2. Your browserAll processing happens here
  3. Your Drive or your device
ShiftAny servers: none
  • Your files travel straight between Google and your browser. They never touch a server of ours, because we don’t have any.
  • Processing runs on your device, exactly as it does with a file from your computer.
  • The app can only access the files you pick and the ones it saves to your Drive. Never the rest.
  • Access expires after one hour and is never stored. This browser only remembers your name and email so you can reconnect in one click; you can disconnect at any time.
Processing
In your browser
Upload
No upload to ShiftAny
Account
No sign-up
Price
Free
Input
MP3, WAV, FLAC, OGG, M4A, AAC
Output
MP3, WAV
Platform
Web browser

How to use “Merge Audio”

  1. Add two or more audio files.
  2. Reorder them with the arrows: the final track follows the order of the list.
  3. Choose MP3 or WAV and click “Merge audio”.
  4. Download the combined track.

Tracks with different properties

The tracks are joined one after another, with no gap or fade between them. If they have different sample rates, they are matched to the highest; if you mix mono and stereo, the result is stereo (unless you tick “Convert to mono”). You can mix different input formats.

Are my files uploaded?

No. ShiftAny Audio processes your audio directly on your device: this tool runs in your browser and never sends your files to any server.

Limits and metadata

ShiftAny sets no duration or size limits: the real ceiling is your device’s memory, because the audio is decompressed to be processed and an hour of stereo takes more than 1 GB. With very long files, we warn you before loading them. The new file contains only the audio: tags (title, artist, cover art) are not copied.

Frequently asked questions

Can I mix MP3, WAV and other formats?

Yes. Each track is decoded separately and they are joined as plain audio, so the source format does not matter.

Is there a fade or silence between tracks?

No: the next one starts exactly where the previous one ends.

How many tracks can I merge?

As many as you like: there is no maximum. What matters is the total duration, because the whole merged track is built in your device’s memory.

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