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Easily convert your MKV files online with no registration required. Convert your MKV documents from Windows, Linux, or macOS. Simply drag and drop your file into the upload form, select the desired output format, and click the convert button. Once the conversion is complete, you can download your AC3 file.
Depending on the MKV file's size and format, conversion may take a few moments, but most files convert quickly. With advanced features, you can convert password-protected documents and have the results sent to your email.
Convert your MKV documents anytime, anywhere, on any device—including mobile. Use this conversion app online 24/7—free for basic conversions.
Check our videoMKV (Matroska Video File) is an open, flexible multimedia container format designed to store video, audio, subtitles, and metadata in a single file. It is widely supported by media players like VLC, MPC-HC, and tools such as MKVToolNix for editing and muxing. The format uses EBML (Extensible Binary Meta Language) for its structure, enabling advanced features like chapter support, multiple audio tracks, and seamless streaming capabilities.
AC3 (Audio Codec 3) is a digital audio compression format developed by Dolby Laboratories, commonly used for surround sound in DVDs, Blu-ray discs, and broadcast media. It is supported by media players like VLC, Windows Media Player, and editing tools such as Audacity and Adobe Audition. The format uses perceptual coding to reduce file size while maintaining high-quality audio, supporting up to 5.1-channel surround sound and offering features like dynamic range compression and metadata for playback customization.
You can also convert MKV into many other file formats. Please see the complete list below.