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What is AVI?

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

What is M2TS?

Blu-ray (M2TS) is the MPEG-2 transport stream format used for high-definition video on Blu-ray discs.

When Should You Use AVI vs M2TS?

Use AVI When...

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

Use M2TS When...

Reach for M2TS when your priority is blu-ray discs, hd video archival — its efficient compression makes sharing fast and storage minimal.

AVI vs M2TS: Key Differences

  • •The core technical difference: AVI relies on lossy compression whereas M2TS uses lossy compression.
  • •Neither format changes compression philosophy — both are lossy compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •How transparency is handled: M2TS does not support alpha channels — transparent areas in the source will become opaque.
  • •AVI files are typically Very large for uncompressed video while M2TS files range Very large, 4-8GB per Blu-ray movie
  • •Use case fit: AVI targets legacy video, windows applications and M2TS targets blu-ray discs, hd video archival — your choice depends on which workflow stage you are serving.

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.

Advantages of M2TS

  • ✓M2TS uses lossy compression tailored for Blu-ray discs, HD video archival.
  • ✓M2TS is supported natively on virtually every device, browser, and operating system.
  • ✓M2TS files are compact and quick to transfer, even over slow connections.
  • ✓M2TS integrates seamlessly with all major creative tools and workflows.

Common Use Cases for AVI to M2TS Conversion

  • Security and surveillance
  • Educational content
  • Marketing videos
  • Video archiving
  • Broadcast production
  • Video game cutscenes

Industry Applications

Video StreamingE-learningMarketingBroadcast MediaVideo SurveillanceGaming

Best Practices for AVI to M2TS Conversion

  • →Converting AVI to M2TS: match the output resolution and bitrate to your target platform's requirements
  • →M2TS provides broad compatibility across devices and platforms
  • →Use appropriate bitrate for the balance of quality and file size
  • →M2TS is a lossy format, so expect some quality loss at higher compression ratios
  • →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 AVI and M2TS formats in our detailed guide.

Troubleshooting AVI to M2TS Conversion

  • !M2TS won't play on target device → check codec compatibility (H.264 has broadest support)
  • !Audio out of sync after AVI to M2TS conversion → try re-muxing with a different container format
  • !M2TS quality is too low → increase the bitrate; for 1080p video, 8-15 Mbps is recommended
  • !File size increased converting AVI to M2TS → lossless or higher-bitrate outputs naturally produce larger files

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About AVI and M2TS

AVI

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

M2TS

M2TS (Blu-ray M2TS) - Blu-ray video, MPEG-2 transport stream for Blu-ray discs. Ideal for blu-ray discs, hd video archival.

Format Comparison

CompressionLossy → Lossy
TransparencyN/A
Use CaseConvert from legacy video, windows applications to blu-ray discs, hd video archival
File Size~Very large, 4-8GB per Blu-ray movie after conversion

FAQs

Is converting AVI to M2TS free?

Yes, GoConvertFile offers free conversion of AVI to M2TS for files up to 100MB. No registration required.

How long does it take to convert AVI to M2TS?

Most AVI to M2TS conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is M2TS best used for?

M2TS is ideal for blu-ray discs, hd video archival. Blu-ray video, MPEG-2 transport stream for Blu-ray discs

What file size should I expect after converting AVI to M2TS?

File size after AVI to M2TS conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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