Threads ProRes in MP4
ProRes in MP4 is not in threads's documented upload list. Convert before uploading.
Quality impact not documented · PRORES inside MP4 is not in threads's documented upload list.
FFmpeg can mux ProRes into MP4; not a normal creator upload target. Negative claim inferred from the absence of prores/mp4 in threads's documented media list. No transcoding claim made.
Choose a compatible conversion →FFmpeg muxers documentation (verified 2026-09-18) · Threads Publishing Reference (verified 2026-09-18)
Frequently asked
Does Threads support ProRes in MP4?
ProRes in MP4 is not in threads's documented upload list. Convert before uploading. Koldflux's compatibility engine reaches this verdict from sourced platform documentation.
Should I convert ProRes in MP4 for Threads?
PRORES inside MP4 is not the recommended upload for threads; H264 inside MP4 is.
Will Threads re-encode my file?
PRORES inside MP4 is not in threads's documented upload list.