filoshi.com / formats / mp4-to-m4a

Convert MP4 to M4A

The MP4 format is commonly used by specialized software. By converting it to M4A, you reduce file size and increase compatibility. Filoshi runs this conversion completely offline.

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How to convert MP4 to M4A for free

  1. 1
    Drop your MP4 file
    Drag it onto the converter above, or click Browse Files to select it from your computer.
  2. 2
    Click Convert
    M4A is auto-selected. Hit Convert - FFmpeg.wasm processes everything locally in your browser.
  3. 3
    Download your file
    Your converted M4A file downloads instantly. Nothing was uploaded to a server.
Source Format

What is MP4?

MPEG-4 Part 14 (.mp4) - MP4 is the most widely supported video format. It works on virtually every device, browser, and platform. It typically uses H.264 or H.265 codecs for compression.

Common use: Sharing videos online, social media, streaming, and general playback

Output Format

What is M4A?

MPEG-4 Audio (.m4a) - M4A is essentially an MP4 file that only contains audio. It typically uses AAC encoding and is the format used by Apple Music and iTunes purchases.

Common use: Apple Music, iTunes, podcast distribution

Frequently Asked Questions

Is converting MP4 to M4A free?+
Yes! You can convert MP4 to M4A for free right in your browser using Filoshi's online converter. No signup or software download needed. For batch conversion of multiple files, the Filoshi desktop app is available for a one-time $14.90 payment.
Does converting MP4 to M4A lose quality?+
It depends on the formats involved. If both MP4 and M4A use lossless compression, no quality is lost. If the conversion involves a lossy format, some quality reduction may occur, but Filoshi uses optimized settings to keep quality loss minimal. The conversion runs entirely on your machine, so there are no server-side compression artifacts.
Can I convert MP4 to M4A without uploading my file?+
Absolutely. Filoshi processes everything locally on your computer. Your MP4 files are never uploaded to any server. Even the free browser converter runs entirely in your browser using WebAssembly, with no server involved.
How long does it take to convert MP4 to M4A?+
Most conversions complete in seconds. Larger files (like high-resolution video) may take a bit longer depending on your computer's hardware. Since Filoshi runs locally, there is no upload or download wait time, which is significantly faster than online converters.
Can I batch convert multiple MP4 files to M4A?+
Yes, the Filoshi desktop app supports batch conversion. You can drop an entire folder of MP4 files, select M4A as the output format, and convert them all at once. Each file gets its own progress bar.

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Convert to M4A

Need batch MP4 to M4A conversion?
The web converter handles 1 file at a time. Filoshi desktop converts unlimited files, runs offline, and supports 3,000+ formats.
Get Filoshi Desktop - $14.90