NUT to RM - Online Video Converter
Convert NUT to RM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About NUT to RM
Convert NUT to RM. NUT is FFmpeg's research container built for seeking and error recovery. RM is RealNetworks' streaming container pairing RV video with Cook audio. Decoding paths for early Real codecs are scarce; try remuxing first..
Why convert NUT to RM?
- Smaller files with RM lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
NUT vs RM
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | NUT is FFmpeg's research container built for seeking and error recovery. | RM is RealNetworks' streaming container pairing RV video with Cook audio. |
When not to convert NUT to RM
- Skip RM for archival masters: lossy compression discards detail, so keep the NUT original.
- Keep a master copy: repeated exports stack small losses, so archive NUT before batch RM shares.
Limits
Starting point: NUT - NUT is FFmpeg's research container built for seeking and error recovery. Few players open it, so convert for sharing. Decoding paths for early Real codecs are scarce; try remuxing first. Encode RM (RV10 / AC-3) from NUT 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.