Convert MTS to AVI Online
Complex folder structure (BDMV/STREAM) makes it confusing to manage files; most editors prefer converting to MP4 first. Converting to AVI gives you a key advantage: extremely simple container structure that every windows media tool has supported since 1992. AVI is best for storing uncompressed or lightly compressed video for editing on windows-based workflows.
Why Convert MTS to AVI?
Complex folder structure (BDMV/STREAM) makes it confusing to manage files; most editors prefer converting to MP4 first — converting to AVI overcomes this by providing extremely simple container structure that every windows media tool has supported since 1992
AVI is the right choice when you need to: working with legacy windows video archives from the divx/xvid era
Gain broader compatibility — AVI works with Windows Media Player, VLC, FFmpeg, most video editors; macOS and Linux via third-party players
Your MTS files were created for converting avchd recordings to mp4 for youtube upload, but now you need a format suited to different workflows
MTS vs AVI — Format Comparison
AVCHD MPEG Transport Stream (.mts)
Audio Video Interleave (.avi)
How to Convert MTS to AVI
Upload your MTS file
Drag your .mts file onto the upload area or click to browse. We accept MTS files up to 2 GB.
Choose AVI as output format
Select .avi (Audio Video Interleave) from the format list. Configure any format-specific settings to match your requirements.
Convert and download
Click Convert and wait for processing. Your AVI file will be ready to download in seconds. The result is optimized for storing uncompressed or lightly compressed video for editing on windows-based workflows.
Frequently Asked Questions
Is the MTS to AVI conversion lossless?
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When both formats support lossless data, the conversion preserves all content. Depends on codec (DivX, Xvid, MJPEG, uncompressed); container supports up to 4K resolution.
How large will my AVI file be compared to the original MTS?
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MTS files are typically 500 MB – 10 GB, while AVI files are typically 50 MB – 20 GB. The actual size depends on content complexity and any quality settings you choose.
What software can open the converted AVI file?
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AVI is compatible with: Windows Media Player, VLC, FFmpeg, most video editors; macOS and Linux via third-party players.
What is the maximum file size I can convert?
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PureConverter accepts MTS files up to 2 GB. Your files are processed securely and deleted from our servers after conversion.
What's the difference between MTS and AVI?
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MTS (AVCHD MPEG Transport Stream) is best for importing high-definition camcorder footage recorded in the avchd format. AVI (Audio Video Interleave) is best for storing uncompressed or lightly compressed video for editing on windows-based workflows. Key tradeoff: MTS's advantage is records h.264 hd video with dolby digital audio directly to sd cards and internal memory in consumer camcorders, while AVI's advantage is extremely simple container structure that every windows media tool has supported since 1992.
Pro Tips for MTS to AVI Conversion
Review the output AVI file to ensure all formatting and content transferred correctly from your MTS source
Keep a backup of your original MTS file — while our conversion is reliable, having the source is always recommended
AVI works especially well for: importing old home videos into modern editing software for re-encoding
Did you know? AVI is based on Microsoft's RIFF (Resource Interchange File Format), the same container used by WAV audio files — both formats share the exact same chunk-based binary structure.
Ready to Convert?
Upload your MTS file above and get your AVI in seconds. Free, fast, and secure.