AVI to MKV Converter

Convert your AVI files to MKV in seconds — free and online.
to
Select or drag & drop files to begin.

How to convert AVI to MKV?

Just three simple steps — no downloads, no hassle.
Click the “Choose files” button and upload your AVI file.

You can drag and drop it too — we’re flexible!

Choose “MKV” as the output format, then click “Convert”.

We’ll take care of the rest — it only takes a few seconds.

All done! Your file is now in MKV format.

Just download it and enjoy. Easy, right?

At a glance: AVI to MKV

🔁 Conversion: AVI to MKV ⏱ Average conversion time: 20 seconds 💳 Cost: Free 📂 Category: Video ✳️ Extensions: .avi → .mkv 📏 Max file size: 75 MB 👩‍💻 Works on: Windows, Linux, macOS, iOS, Android

About AVI

AVI is a multimedia container format introduced by Microsoft. It can store video and audio using various codecs and is widely supported across devices and platforms. Although less efficient than newer formats, AVI remains popular for its simplicity and compatibility.

About MKV

MKV is a flexible, open-source multimedia container format. It can hold video, audio, subtitles, chapters, and metadata in a single file. MKV is widely used for high-definition movies and streaming, supporting multiple audio tracks and subtitle languages.

Why Convert AVI to MKV with MiConv?

Because it's quick, easy, and made for people like you.

No software needed

Convert your .avi files to .mkv right in your browser — no downloads, no installs. Everything happens securely in the cloud.

Your files stay private

We never store your files permanently. Only you can access them, and they’re automatically deleted from our servers within 2 hours.

Fast, free, and effortless

Turn your AVI files into MKV in just a couple of clicks. No registration, no limits — and it’s 100% free.

More AVI conversions you can try

Explore other formats you can turn your AVI files into — it's easy!

AVI to MKV Converter Quality Rating

⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐
Rated 9.52/10 based on 293394 reviews
You can rate after file conversion