About MTS Files
AVCHD Video
MTS (AVCHD) is a high-definition video format from Sony and Panasonic camcorders.
Family
Video Files
Extension
.mts
MIME Type
video/mp2t
Can Use As
4D 54 53 46 00 01 00 00 4B 41 49 4A
ASCII: MTSF....KAIJ
📈 Target Minimum File Size (Guaranteed ≥ KB)
Lossless JPEG Q100 + standard COM segment padding for government & exam portals
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HOW MTS CAME TO BE.
MTS is the AVCHD consortium’s native file extension for camcorder SD cards. When Sony and Panasonic launched AVCHD in 2006 as the high-definition successor to MiniDV, they specified that AVCHD camcorders would record video to SD/SDHC cards as .mts files inside a specific AVCHD/BDMV/STREAM folder structure. The container format is exactly M2TS — same 192-byte packets, same H.264 video + AC-3 or Dolby Digital audio — but the extension differs by distribution media: .mts on camera cards, .m2ts on Blu-ray discs.
AVCHD camcorders (Sony HDR-series, Panasonic HDC, Canon HF/VIXIA) dominated consumer HD video between 2006 and 2014, before smartphones made dedicated camcorders niche. Ripping footage from an AVCHD card gives you .mts files in a folder; every editor (iMovie, Premiere, Resolve, Final Cut) opens them natively and typically converts them to intermediate MOV/MP4 for editing.
Technical Specifications
- MIME type
- video/mp2t
- Extension
- .mts
- Container
- BDAV MPEG-2 Transport Stream (192-byte packets)
- Video codecs
- H.264 (AVCHD Main/High Profile)
- Audio codecs
- AC-3 (Dolby Digital), LPCM
Typical Sizes & Weights
1 min HD AVCHD (17 Mbps)
~130 MB
1 hour AVCHD Full HD
~8 GB
STRENGTHS & LIMITATIONS.
Strengths
- Native format for every AVCHD camcorder since 2006.
- H.264 compression — small files for high-def quality.
- Direct compatibility with iMovie, Premiere, Resolve, Final Cut.
- Carries Dolby Digital 5.1 audio on flagship camcorders.
Limitations
- Slow to decode — editors typically transcode for editing.
- Proprietary folder-structure conventions complicate direct import.
- Largely legacy as smartphones replaced dedicated camcorders.
- 192-byte packet format adds overhead vs plain TS.
CURIOSITIES & TRIVIA.
MTS and M2TS are identical container structures — only the filename extension differs, based on whether the file comes from a Blu-ray disc or an AVCHD camera card.
The AVCHD consortium (Sony + Panasonic, with Canon, JVC, Toshiba joining later) specified the folder layout on camera cards that every camcorder followed.
Canon's HF G- and XA-series, Panasonic HDC and V-series, and Sony's HDR-CX camcorders all write MTS to SD cards.
MTS files from 2009-2014 on family archives represent a huge chunk of "family video" before smartphone camcorders replaced everything.
Editing MTS natively is slow — every pro NLE transcodes it to ProRes or DNxHD intermediate files for efficient playback.
Specialized Utilities for .MTS Files
Reduce Video Size
Compress video files to reduce size for sharing and uploading. Adjustable quality settings let you balance file size and visual quality.
Convert Video for WhatsApp
Convert and compress videos to meet WhatsApp size and format requirements. Automatically adjusts resolution, codec, and file size for seamless sharing.
Video to GIF
Convert short video clips to animated GIFs. Set custom start time, duration, frame rate, and output size. Great for memes, reactions, and social sharing.
Video to MP3 Audio Extractor
Extract high-bitrate MP3 audio tracks from MP4, MOV, MKV, AVI, and WebM video recordings in seconds—ideal for podcasts, lectures, and interviews.
Extract Audio from Video
Extract the audio track from any video file and save it as MP3, WAV, or other audio formats. Perfect for creating podcasts, music rips, or voice-only recordings.
CONVERT FROM MTS
Common Use Cases
Camcorder video
Related Formats
Popular comparisons
MTS vs JPG
Differences, file size, and when to choose each format.
MTS vs PNG
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MTS vs WEBP
Differences, file size, and when to choose each format.
MTS vs GIF
Differences, file size, and when to choose each format.
MTS vs BMP
Differences, file size, and when to choose each format.
MTS vs MP4
Differences, file size, and when to choose each format.
Popular MTS conversions
The most-requested destinations when starting from MTS.
Frequently Asked Questions
MTS (AVCHD Video) is a video container format that bundles one or more video streams, audio tracks, and optional subtitles into a single file. The container format determines how metadata is organised and which codecs can live inside; the visual quality itself depends on the codec (H.264, H.265, VP9, AV1) rather than the MTS wrapper. It is part of the video files family.
VLC, MPV and PotPlayer play nearly every MTS file on desktop. Browser support varies: modern Chromium, Firefox and Safari play common containers via the HTML5 <video> tag, but niche MTS variants may fail. If a device refuses your MTS, convert to MP4 with our MTS to MP4 converter for universal playback.
Upload your MTS to KaijuConverter and pick MP4, MOV, MKV, WebM, or any other target. Our pipeline uses FFmpeg under the hood and stream-copies when codecs are compatible (no quality loss) or transcodes at high-quality defaults otherwise. Conversion runs server-side; both files delete within two hours.
Only when the target requires re-encoding. If the codecs inside MTS match what the target container supports, FFmpeg stream-copies the streams and the output is bit-identical to the source. Transcoding uses transparent quality defaults (CRF 20–23 H.264) and produces output indistinguishable from the original at normal viewing distance.
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