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Konverter AVI til MKV

Free online AVI to MKV converter. Fast, secure, no signup required.

12.9K+ files converted

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Accepted: AVI files · Max 100 MB per file

avi mkv

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Need to convert AVI to MKV? MegaConvert makes it easy. Upload your Audio Video Interleave (AVI) file and get a Matroska Video (MKV) file in seconds — no software to install, no signup required. Whether you need this conversion for social media, video editing, device compatibility, web streaming / archival, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert AVI to MKV Online

  1. 1
    Upload your AVI file

    Click the upload area or drag and drop your AVI file. Files up to 25MB are free. Larger files are supported with pay-per-use.

  2. 2
    Choose MKV as output format

    MKV is automatically selected on this page. You can adjust conversion settings if needed.

  3. 3
    Click Convert

    Hit the Convert button to start processing. Your file will be converted using our high-performance servers.

  4. 4
    Download your MKV file

    Once conversion is complete, click Download to save your new MKV file. Free files are available for 1 hour.

Why Convert AVI to MKV?

  • **Modernize your files** — AVI is an older format. Converting to MKV ensures better compatibility with current software and devices.
  • **Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
  • **Software requirements** — Your software or platform may require MKV format specifically. Converting ensures full compatibility.

AVI vs MKV — Format Comparison

Feature AVI MKV
Full Name Audio Video Interleave Matroska Video
Developer Microsoft Matroska (Steve Lhomme)
First Released 1992 2002
Category Video Video
Extension .avi .mkv
MIME Type video/x-msvideo video/x-matroska

Re-encoding video may reduce quality. Use MKV for lossless container conversion.

About AVI Format

Classic Windows video container format supporting various codecs with large file sizes.

Full name: Audio Video Interleave

Developer: Microsoft (1992)

About MKV Format

Open container format supporting virtually any video, audio, and subtitle codec.

Full name: Matroska Video

Developer: Matroska (Steve Lhomme) (2002)

Vanlige Spørsmål

Upload your AVI file to MegaConvert.io, select MKV as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.
Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.
Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.
Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.
Classic Windows video container format supporting various codecs with large file sizes. Developer: Microsoft (1992).
Open container format supporting virtually any video, audio, and subtitle codec. Developer: Matroska (Steve Lhomme) (2002).