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MTS to AVI Converter

Convert MTS to AVI online for free. Change video format for playback, editing, uploads, social sharing, or better compatibility across devices and platforms.

Converting MTS to AVI re-encodes the video into the AVI container. Resolution and frame rate are preserved by default, and the audio track is copied without re-encoding when codec compatibility allows. File size depends on the chosen output codec.

Drop MTS files here
or click anywhere in this box to choose files
Files deleted within 24 hours TLS-encrypted upload No sign-up required Batch convert supported

Max file size 50MB. Sign up for more.

Convert MTS Video in 3 Steps

Re-encode a video for broader playback support, easier editing, smaller files, or platform-specific upload requirements.

Upload the Source Video

Drop your MTS video onto the tool or click to browse. Our converter handles all major codecs including H.264, H.265, VP8, and VP9 inside the MTS container.

Re-encode the File

Your video is re-encoded into the AVI container with the optimal codec. Resolution and frame rate are maintained, and the audio track is preserved without re-encoding when possible.

Download the Converted Video

Download your converted AVI video ready for playback, editing, or uploading to any platform. Files are automatically deleted from our servers within 24 hours.

Why Convert MTS to AVI

Maximum Software Compatibility

AVI has been the standard video container on Windows since 1992. Every video player, editor, and media tool on Windows opens AVI files without any additional codec installation.

Uncompressed Video Option

AVI supports fully uncompressed video streams for applications requiring zero quality loss. Scientific imaging, video analysis, and archival workflows benefit from raw, unaltered frame data.

Simple Reliable Structure

AVI uses the straightforward RIFF container format with minimal overhead. Its simplicity means fewer compatibility issues, easier recovery from file corruption, and reliable frame-by-frame access.

Legacy System Support

Industrial video systems, security cameras, medical imaging equipment, and older editing systems often require AVI input. Converting to AVI ensures compatibility with established hardware infrastructure.

Frame-Accurate Editing

Many legacy video editors handle AVI files with the best timeline accuracy and scrubbing performance. AVI's simple interleaved structure allows precise frame-by-frame navigation and cutting.

About the MTS Format

MTS (MPEG Transport Stream) is an AVCHD video file format jointly developed by Sony and Panasonic. It uses the MPEG-2 transport stream container to store H.264/AVC high-definition video along with Dolby Digital or PCM audio. MTS files are the native recording format for many HD camcorders from Sony, Panasonic, Canon, and other manufacturers.

MTS files deliver broadcast-quality HD video at 1080i or 1080p resolution. However, the AVCHD format has limited software compatibility compared to MP4 — many video editors and media players require conversion before the footage can be used. Converting MTS to MP4 preserves the HD quality while making the video universally playable across devices and platforms.

MTS to AVI FAQ

Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert MTS files to AVI.

How do I convert MTS to AVI online?

Upload your MTS video, choose AVI as the output format, and download the converted file when processing is complete.

Why would I convert MTS to AVI?

People usually convert MTS to AVI to improve playback compatibility, fit editing software, support uploads, or use a format that works better on devices and platforms. AVI is the right target when it fits your next workflow better.

Will converting MTS to AVI affect video quality?

It can, depending on the source file, codec, bitrate, resolution, and output format. The best target depends on whether playback, editing, uploads, or storage is your main goal.

How will file size change when converting MTS to AVI?

File size can become larger or smaller depending on the original codec, resolution, bitrate, and target format.

Is AVI a good target for device compatibility?

That depends on the platform, but people usually choose AVI when it better fits their device, upload system, or editing workflow.

Can I batch convert multiple MTS files to AVI?

Yes. Batch conversion is useful for camera exports, archived clips, recurring uploads, and media workflows.

Is it safe to convert MTS to AVI online?

Yes. This converter uses temporary browser-based processing with automatic cleanup after conversion.

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