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MP4 to LXF - Online Video Converter
Convert MP4 to LXF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MP4 to LXF
Drop MP4 video here or click to select
MP4
LXF (MPEG-2 / PCM)
About MP4 to LXF
Convert MP4 to LXF. MP4 pairs H.264 video with AAC audio in the ISO base media container. LXF is the Leitch server format for broadcast playout chains. Closed-caption tracks need separate extraction before conversion..
Why convert MP4 to LXF?
- Smaller files with LXF lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
MP4 vs LXF
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | MP4 pairs H.264 video with AAC audio in the ISO base media container. | LXF is the Leitch server format for broadcast playout chains. |
When not to convert MP4 to LXF
- Skip LXF for archival masters: lossy compression discards detail, so keep the MP4 original.
- Keep a master copy: repeated exports stack small losses, so archive MP4 before batch LXF shares.
Limits
Starting point: MP4 - H.264 video with AAC audio in one file. H.264 has no alpha channel, so transparency is dropped. Closed-caption tracks need separate extraction before conversion. Encode LXF (MPEG-2 / PCM) from MP4 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.
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FAQ
How do I convert MP4 to LXF?
Drop your MP4 file onto this page, choose quality and codec settings, then click Convert. The result downloads as LXF instantly. All processing runs in your browser.
What codec is used for LXF?
The default codec for LXF is MPEG-2 / PCM. You can change the video and audio codec in Advanced mode.
How do you store my files?
We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.