1. Home
  2. Video Converter
  3. Convert MKV to AVI

What is MKV?

MKV (Matroska Video) is a flexible container format that supports virtually any codec, multiple subtitle tracks, and chapter markers.

What is AVI?

AVI (Audio Video Interleave) is a legacy multimedia container format introduced by Microsoft in 1992.

When Should You Use MKV vs AVI?

Use MKV When...

Reach for MKV when your priority is high-quality video with subtitles and chapters — its efficient compression makes sharing fast and storage minimal.

Use AVI When...

Reach for AVI when your priority is legacy video, windows applications — its efficient compression makes sharing fast and storage minimal.

MKV vs AVI: Key Differences

  • •MKV and AVI diverge on compression: lossy compression for the source, lossy compression for the target.
  • •Since both MKV and AVI use lossy compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
  • •How transparency is handled: AVI does not support alpha channels — transparent areas in the source will become opaque.
  • •Storage footprint: Varies greatly depending on content for MKV vs Very large for uncompressed video for AVI.
  • •MKV is optimized for high-quality video with subtitles and chapters while AVI is designed for legacy video, windows applications — choose based on your specific workflow needs

Advantages of MKV

  • ✓MKV applies lossy compression specifically calibrated for High-quality video with subtitles and chapters.
  • ✓MKV enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓MKV delivers impressive compression ratios, shrinking files dramatically while keeping visual quality high.
  • ✓You will find MKV support built into virtually every tool that handles High-quality video with subtitles and chapters — no plugins or converters needed.

Advantages of AVI

  • ✓AVI compresses data using lossy methods, keeping file sizes manageable for Legacy video, Windows applications.
  • ✓Industry-wide support means AVI files open anywhere — from legacy systems to the latest devices.
  • ✓Small file sizes make AVI ideal for email, web uploads, and cloud storage.
  • ✓From professional software to open-source alternatives, AVI works out of the box.

Common Use Cases for MKV to AVI Conversion

  • Professional video editing
  • Social media content
  • Security and surveillance
  • Educational content
  • Marketing videos
  • Video archiving

Industry Applications

Film ProductionSocial MediaVideo StreamingE-learningMarketingBroadcast Media

Best Practices for MKV to AVI Conversion

  • →Converting MKV to AVI: match the output resolution and bitrate to your target platform's requirements
  • →AVI provides broad compatibility across devices and platforms
  • →Use appropriate bitrate for the balance of quality and file size
  • →AVI supports lossless encoding, preserving maximum quality for professional workflows
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Related Article

Video Compression Guide: Reduce File Size Without Losing Quality

Learn more about MKV and AVI formats in our detailed guide.

Troubleshooting MKV to AVI Conversion

  • !Video stutters during playback of AVI → the frame rate may need adjustment; matching the source frame rate avoids judder
  • !Black bars appear around the converted AVI → check aspect ratio and cropping settings before re-encoding
  • !Subtitles vanished after MKV to AVI conversion → some containers handle subtitle tracks in separate streams
  • !AVI file won't upload to a streaming platform → verify the format, codec, and bitrate comply with the platform's specifications

Related Video Converters

Convert MKV to Other Formats

MKV → MP4
Convert MKV to MP4
MKV → MP3
Convert MKV to MP3
MKV → JPG
Convert MKV to JPG
MKV → PNG
Convert MKV to PNG
MKV → WEBP
Convert MKV to WEBP
MKV → GIF
Convert MKV to GIF

Convert Other Formats to AVI

MP4 → AVI
Convert MP4 to AVI

All Video Formats

MP4
View all Video converters →

More Video tools

Convert to AVI →Convert from MKV →

Convert MKV to AVI Online - Free & Fast

Convert MKV files to AVI online for free. High-quality conversion with no registration required.

Video Converter

Upload or enter a URL to convert MKV to AVI instantly

Click to upload or drag & drop MKV file

or paste from clipboard

.mkv,.MKV (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About MKV and AVI

MKV

MKV (MKV videos) - Matroska container with advanced subtitle and chapter support. Best for high-quality video with subtitles and chapters.

AVI

AVI (AVI videos) - Audio Video Interleave, legacy video format. Ideal for legacy video, windows applications.

Format Comparison

CompressionLossy → Lossy
TransparencyN/A
Use CaseConvert from high-quality video with subtitles and chapters to legacy video, windows applications
File Size~Very large for uncompressed video after conversion

FAQs

Is converting MKV to AVI free?

Yes, GoConvertFile offers free conversion of MKV to AVI for files up to 100MB.

Does MKV to AVI change video quality?

If the video is re-encoded, quality may decrease. If only the container is changed, quality stays the same but the AVI file may be larger.

How long does it take to convert MKV to AVI?

Most MKV to AVI conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is AVI best used for?

AVI is ideal for legacy video, windows applications. Audio Video Interleave, legacy video format

What file size should I expect after converting MKV to AVI?

File size after MKV to AVI conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

Related Tools

MP4 to MKV
Convert MP4 to MKV
MP4 to AVI
Convert MP4 to AVI
MKV to MP4
Convert MKV to MP4
MKV to MOV
Convert MKV to MOV
View all video converter converters
Tune output for this video conversion
80%
Smaller fileBetter quality