AVI to MKV
Convert AVI video to MKV format
drag & drop a file anywhere · paste with Ctrl/⌘+V · max 500MB
How To AVI to MKV
Follow along with the steps below
Step 1
Upload your AVI file
Drag and drop your AVI file into the box above, or click to choose it from your device.
Step 2
Convert to MKV
Our AVI to MKV converter processes your file and prepares the MKV output for you.
Step 3
Download your MKV
Save the converted MKV file straight to your device — no watermark, no sign-up.
Need to turn a AVI file into MKV? This free online AVI to MKV converter handles it in seconds — no software to download, no watermark and no account required. Upload your AVI, let the tool do the work, and download a clean MKV file you can use right away.
Convert AVI video to MKV format This free online AVI to MKV converter lets you change AVI files into MKV format in seconds — no software to install and no sign-up needed. It works on any device, and your files stay private. Convert AVI to MKV as many times as you like, completely free.
What you can do with AVI to MKV
- Open and share your content as MKV on devices or apps that do not support AVI
- Prepare MKV files for websites, email attachments, printing or long-term archiving
- Fix compatibility problems when a colleague, client or platform requires MKV
- Convert AVI to MKV as often as you need, completely free and with no limits
AVI and MKV are different file formats, each suited to different tasks. Converting AVI to MKV lets you reuse the same content wherever MKV is expected, without recreating it from scratch. Our AVI to MKV converter keeps the process simple and your data intact: upload, convert and download. Everything is processed securely and your files are removed automatically within one hour, so your information stays private.
Frequently Asked Questions
How do I convert AVI to MKV?
Just upload your AVI file above and our tool converts it to MKV automatically. When it finishes, download the MKV file.
Is the AVI to MKV converter free?
Yes — converting AVI to MKV is completely free with no limits and no account required.
Are my files kept private?
Your files are processed securely and automatically deleted within one hour. Many conversions even run directly in your browser.
Will converting AVI to MKV reduce the quality?
Our converter is built to preserve as much quality as possible when changing AVI to MKV. For most files any difference is hard to notice.
What is the difference between AVI and MKV?
AVI and MKV store data differently, which affects compatibility, file size and how each format is best used. Converting lets you pick whichever one fits the job in front of you.