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MKV to AAC

Extract the audio track from MKV video into a AAC file. The download contains sound only; the video must have an audio track.

5 files per day per IP across all free tools. A subscription is required beyond that. Resets at 00:00 UTC.

Drop your file here

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Up to 100 MB per file

Files uploaded for processing expire after 24 hours. Online drafts expire after the last save: 24 hours without an account, 48 hours with an account. Expired data is then deleted by automatic cleanup.

How to use MKV to AAC

  1. 1

    Upload your file

    Drop your file or choose it from your device. Several files can be converted at once.

  2. 2

    Convert

    Choose the available settings, then select Convert if shown. Some conversions start automatically.

  3. 3

    Download

    Save the converted file, or the whole batch as a ZIP.

About MKV files

MKV (Matroska) is an open container that can hold several audio tracks and subtitles. Many TVs and phones do not play it natively.

About AAC files

AAC is the audio codec used by Apple, YouTube and streaming services, more efficient than MP3 at the same bitrate.

Frequently asked questions

Is MKV to AAC free?

5 files per day per IP across all free tools. A subscription is required beyond that. Resets at 00:00 UTC.

Is MKV to AAC secure?

Transfers use TLS encryption. Files uploaded for processing expire after 24 hours. Online drafts expire after the last save: 24 hours without an account, 48 hours with an account. Expired data is then deleted by automatic cleanup.

Do I need to install anything?

No. MKV to AAC works in any modern browser on Windows, macOS, Linux, iOS and Android.

How do I cancel?

You can cancel at any time from your dashboard in two clicks. You keep access until the end of the paid period.

Will the quality be preserved?

Yes. The conversion uses professional engines and keeps resolution, fonts and layout whenever the target format allows it.

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