M2TS to MTS - Online Video Converter
Convert M2TS to MTS online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About M2TS to MTS
Convert M2TS to MTS. M2TS is the Blu-ray transport stream carrying H.264 with PCM or DTS audio. MTS is the AVCHD camcorder wrapper for H.264 on flash media. Spanned clips split at 4 GB; join them before converting..
Why convert M2TS to MTS?
- Smaller files with MTS lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
M2TS vs MTS
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | M2TS is the Blu-ray transport stream carrying H.264 with PCM or DTS audio. | MTS is the AVCHD camcorder wrapper for H.264 on flash media. |
When not to convert M2TS to MTS
- Skip MTS for archival masters: lossy compression discards detail, so keep the M2TS original.
- Keep a master copy: repeated exports stack small losses, so archive M2TS before batch MTS shares.
Limits
Starting point: M2TS - M2TS is the Blu-ray transport stream carrying H.264 with PCM or DTS audio. High-bitrate files take longer; confirm audio track selection first. Spanned clips split at 4 GB; join them before converting. Encode MTS (H.264 / AAC) from M2TS at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.