Convert MKV to AAC Files Online for Free.
Free online tool to convert mkv to aac files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
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Maximum file size is 10MB
How It Works
How to Convert MKV to AAC
Click inside the file drop area to upload your MKV file or drag & drop it.
Select AAC as the output format and click the 'Convert' button.
Download the converted AAC file instantly after conversion.
You can also send a link to the converted file via email. (Optional)
Convert Your MKV files to other formats
RunConvert.com can convert your MKV files to these other formats:
Convert Your MKV files to other formats
Convert Files to MKV Format
RunConvert.com supports these converters to MKV format:
Convert Files to MKV Format
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Frequently Asked Questions
Here are some common questions and answers about mkv file conversions ask by our users on RunConvert.com.
Frequently Asked Questions
Q: Can I use it on my tablet?
A: Absolutely. RunConvert is touch-friendly and works just fine on tablets and iPads.
Q: Can I use RunConvert for business promo videos?
A: Definitely. A lot of creators and marketers use it to prep videos for web and social sharing.
Q: Can I convert 60fps videos?
A: Sure thing. We preserve the frame rate unless you choose to change it manually.
Q: Can I convert a Facebook video I downloaded?
A: Absolutely. Just upload it like any other video file and choose your format.
Q: What format should I use to upload to Instagram?
A: Instagram loves MP4 with H.264 video and AAC audio. Keeps things smooth and compatible without any weird hiccups.
Q: Is WebM better than MP4?
A: WebM is great for web browsers and open-source fans. MP4 is more universal. It depends where you’re sharing.
Q: What’s the best format for PowerPoint video inserts?
A: MP4 with H.264 is your safest bet—it plays well inside most presentation tools.
Q: Can I convert videos taken from Snapchat?
A: Absolutely—those vertical MP4s are perfect candidates for a quick format tweak.
Q: Does RunConvert keep a copy of my videos?
A: Nope. Once your file is converted and downloaded, it’s deleted from our servers within hours—privacy first.
Q: Is there a file size limit?
A: For free conversions, we cap it at 500MB. Want to go bigger? Our pro plan lets you handle those beefy files with ease.
What is MKV (Matroska Video)?
MKV (Matroska Video) is an open-source container format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is designed to be flexible and is often used for high-definition video content.
MKV is a popular choice for storing HD movies, TV shows, and videos due to its ability to support almost any type of video and audio codec, as well as multiple audio tracks and subtitles within one file.
How to open MKV?
MKV files can be opened with several media players, including VLC Media Player, PotPlayer, and Media Player Classic (MPC-HC).
For macOS users, VLC and IINA are great options to play MKV files. You can also use the official Elmedia Player for MKV playback.
MKV is Developed by: Matroska Association
MKV was Released on: 2003
Useful Links for MKV:
How to convert MKV?
You can easily convert MKV files to other formats like MP4, AVI, or MOV using our online video converter. Simply upload the MKV file, select your desired output format, and start the conversion process.
Our tool ensures quick and high-quality conversion, making MKV files compatible with a variety of devices and platforms.
What is AAC (Advanced Audio Codec)?
AAC (Advanced Audio Codec) is a lossy audio compression format that is widely used for high-quality audio streaming and playback. It is a successor to the MP3 format and provides better audio quality at similar bit rates.
AAC is used by many streaming services (such as YouTube, iTunes, and Spotify) and is supported by most modern devices, including smartphones, tablets, and computers.
How to open AAC?
AAC files can be opened with most media players, including Apple Music, iTunes, VLC Media Player, Windows Media Player (with the proper codecs), and Android music players.
On macOS, AAC files can be played natively in QuickTime and Apple Music.
AAC is Developed by: Fraunhofer IIS, Dolby Laboratories, and others
AAC was Released on: 2000
Useful Links for AAC:
How to convert AAC?
You can easily convert AAC files to other audio formats like MP3, WAV, or FLAC using an online audio converter. Just upload your AAC file, select the desired output format, and start the conversion process.
Our tool provides high-quality conversion and ensures compatibility across various devices and platforms.
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Saved me hours of work
I had to convert multiple PDFs to Word for editing. This tool made it so easy and preserved all the formatting perfectly. The batch processing feature is a game changer.
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I've tried many conversion tools but this one is by far the fastest and most reliable. No watermarks, no quality loss, and the interface is so intuitive.
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