Yes, it is 100% free with no account required, no usage limits, and no hidden fees.

How many files can I merge at once?

You can add up to 10 audio files per session.

Does my audio get uploaded to a server?

No. All processing runs entirely in your browser using FFmpeg WebAssembly. Your file never leaves your device, ensuring 100% privacy.

What is an Audio Merger?

An audio merger is a tool designed to combine multiple separate audio tracks into a single, continuous audio file, such as stitching podcast segments or music medleys.

How do you merge audio files in a browser?

Our tool utilizes FFmpeg WebAssembly to join your audio files locally on your device. Since all processing happens in your browser memory, your tracks are never uploaded.

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Audio Merger›
Merge M4A

Merge M4A Files Online — Free, Private, No Upload

Combine multiple M4A tracks into a single high-quality audio file. 100% private in-browser processing. No sign-up required.

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1. Select Audio Files to Merge

MP3, WAV, OGG, M4A, FLAC, AAC · Select multiple files to begin

🔒 100% private in-browser processing. No sign-up required.

Merge M4A Files Online — Free, Private, No Upload

Submind

Merge M4A Files Online — Free, Private, No Upload

Submind