FLV to MTS - Online Video Converter
Convert FLV to MTS online. Private, client-side - no upload required. Batch conversion, quality presets, codec control.
About FLV to MTS
Convert FLV to MTS. FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. MTS is the AVCHD camcorder wrapper for H.264 on flash media. Spanned clips split at 4 GB; join them before converting..
Why convert FLV to MTS?
- Smaller files with MTS lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLV vs MTS
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. | MTS is the AVCHD camcorder wrapper for H.264 on flash media. |
When not to convert FLV to MTS
- Skip MTS for archival masters: lossy compression discards detail, so keep the FLV original.
- Keep a master copy: repeated exports stack small losses, so archive FLV before batch MTS shares.
Limits
Starting point: FLV - FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. Flash-era players are gone, so convert for current browsers. Spanned clips split at 4 GB; join them before converting. Encode MTS (H.264 / AAC) from FLV 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.