MELT(1)

okay bestie, welcome to MELT(1) — the User Commands manual page for melt 💅✨. This is the whole vibe: author, play, and encode multitrack audio/video compositions.

💖 NAME 💖

melt — author, play, and encode multitrack audio/video compositions. That's the entire serve: you're authoring, playing, and encoding multitrack audio/video compositions, and melt is the main character doing it 🔥

🌸 SYNOPSIS 🌸

The shape of it is exactly this, no edits:

melt [options] [producer [name=value]* ]+

✨ OPTIONS ✨

Okay, option runway. Every flag and its exact little syntax, periodt:

• -attach filter[:arg] [name=value]* — attach a filter to the output 💫
• -attach-cut filter[:arg] [name=value]* — attach a filter to a cut
• -attach-track filter[:arg] [name=value]* — attach a filter to a track
• -attach-clip filter[:arg] [name=value]* — attach a filter to a producer
• -audio-track | -hide-video — add an audio-only track 🎧
• -blank frames — add blank silence to a track
• -chain id[:arg] [name=value]* — add a producer as a chain
• -consumer id[:arg] [name=value]* — set the consumer (sink)
• -debug — set the logging level to debug
• -filter filter[:arg] [name=value]* — add a filter to the current track
• -getc — get keyboard input using getc
• -group [name=value]* — apply properties repeatedly
• -help — show this message
• -jack — enable JACK transport synchronization
• -join clips — join multiple clips into one cut
• -link id[:arg] [name=value]* — add a link to a chain
• -loglevel level — set the logging level (least to most): quiet panic, fatal, error, warning, info, verbose, debug, timings
• -mix length — add a mix between the last two cuts
• -mixer transition — add a transition to the mix
• -null-track | -hide-track — add a hidden track 🙈
• -profile name — set the processing settings
• -progress — display progress along with position
• -progress2 — display progress along with position on a new line
• -query — list all of the registered services
• -query "consumers" | "consumer"=id — list consumers or show info about one
• -query "filters" | "filter"=id — list filters or show info about one
• -query "links" | "link"=id — list links or show info about one
• -query "producers" | "producer"=id — list producers or show info about one
• -query "transitions" | "transition"=id — list transitions, show info about one
• -query "profiles" | "profile"=id — list profiles, show info about one
• -query "presets" | "preset"=id — list presets, show info about one
• -query "formats" — list audio/video formats
• -query "audio_codecs" — list audio codecs
• -query "video_codecs" — list video codecs
• -quiet — set the logging level to quiet 🤫
• -remove — remove the most recent cut
• -repeat times — repeat the last cut
• -repository path — set the directory of MLT modules
• -serialise [filename] — write the commands to a text file
• -setlocale — make numeric strings locale-sensitive (legacy support)
• -silent — do not display position/transport
• -split relative-frame — split the last cut into two cuts
• -swap — rearrange the last two cuts
• -track — add a track
• -transition id[:arg] [name=value]* — add a transition
• -verbose — set the logging level to verbose
• -timings — set the logging level to timings
• -version — show the version and copyright
• -video-track | -hide-audio — add a video-only track 🎬

For more help: For more help: <https://www.mltframework.org/> — the manual literally says it, bestie 🫶

👑 COPYRIGHT 👑

The legal moment, and yes it stays exactly this:

Copyright © 2002-2026 Meltytech, LLC <https://www.mltframework.org/>
This is free software; see the source for copying conditions.  There is
NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.

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this was melt 7.42.0, dated October 2026, and you just read MELT(1) — byeee, go make something iconic 💖🎀🦋