H.264 to GXF - Online Video Converter

Convert H.264 to GXF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert H.264 to GXF

[+] Drop H.264 video here or click to select H.264, MP4

Output format

GXF (MPEG-2 / PCM)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

About H.264 to GXF

Convert H.264 to GXF. H.264 is the AVC codec behind most MP4 and broadcast video. GXF is the Grass Valley server format for broadcast playout. Server metadata drops on export; the picture and sound carry over..

Why convert H.264 to GXF?

Smaller files with GXF lossy compression.
Keep animation and transparency where supported.
Private, no upload - runs in your browser.

H.264 vs GXF

Animation	Yes	Yes
Transparency	No	No
Compression	lossy	lossy
Typical use	H.264 is the AVC codec behind most MP4 and broadcast video.	GXF is the Grass Valley server format for broadcast playout.

When not to convert H.264 to GXF

Skip GXF for archival masters: lossy compression discards detail, so keep the H.264 original.
Keep a master copy: repeated exports stack small losses, so archive H.264 before batch GXF shares.

Limits

Starting point: H.264 - H.264 is the AVC codec behind most MP4 and broadcast video. Annex-B headers usually import cleanly into MP4. Server metadata drops on export; the picture and sound carry over. Encode GXF (MPEG-2 / PCM) from H.264 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 H.264 to GXF?

Drop your H.264 file onto this page, choose quality and codec settings, then click Convert. The result downloads as GXF instantly. All processing runs in your browser.

What codec is used for GXF?

The default codec for GXF 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.