Step 1: Transfer your AVI files using the button above or by slide and deposit.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Retrieve your converted MKV files.
AVI to MKV Conversion FAQ
How do I convert AVI to MKV?
+
Converting AVI to MKV repackages your video from the AVI container into MKV. MP4.to remuxes the streams without re-encoding where the codecs are compatible (fast and lossless), and transcodes only when the target needs a different codec.
Why would I convert AVI to MKV?
+
You move your content from the AVI format into MKV so it works in the apps, devices or workflows that prefer MKV.
Will converting AVI to MKV reduce quality?
+
When the codec inside AVI is compatible with MKV, MP4.to remuxes without re-encoding — zero quality loss. When the codec must change, the video is transcoded with a small, controllable generational loss.
How long does a AVI to MKV conversion take?
+
Short clips finish in seconds. Longer AVI videos run at roughly real-time or faster on our GPU encoders, so a half-hour recording typically lands in a few minutes.
Which MKV settings should I choose?
+
MP4 with H.264 is the safest, most universal MKV-family target. Use WebM for web embedding and MOV for Apple editing pipelines.
Is the AVI to MKV converter free?
+
Yes. Single-file AVI to MKV conversion is free with no signup. A Pro plan unlocks very large files, unlimited batch jobs and advanced features, but everyday conversions cost nothing.
How large a AVI file can I convert to MKV?
+
Free users can upload AVI files up to 100 MB — enough for most videos. Pro users go up to several GB per file and can queue large batches.
Can I convert several AVI files to MKV at once?
+
Yes. Drop multiple AVI files in one go and MP4.to converts them to MKV in parallel. Free accounts handle a couple at a time; Pro accounts have unlimited batch conversion.
Do I need to install any software to convert AVI to MKV?
+
No. The AVI to MKV conversion runs entirely server-side in your browser — no Photoshop, Office, ffmpeg or any local install. Upload, convert, download.
Can I convert AVI to MKV on my phone?
+
Yes. MP4.to runs in any modern mobile browser, so iPhone, iPad and Android users can convert AVI to MKV without an app. The MKV result downloads straight to your device.
Are my AVI files kept private during conversion?
+
Yes. Your AVI upload and the MKV output travel over HTTPS, are never read by a human, and are deleted automatically from our servers shortly after the job finishes. No watermarks, no resale of your data.
Do I need an account to convert AVI to MKV?
+
No account is required for basic AVI to MKV conversions — you can convert immediately. A free account adds conversion history; a Pro plan adds large files, batch jobs and AI tools.