An automatic clip maker for Twitch that starts at the VOD

Nothing is connected to Twitch. There is no integration, no permissions screen and no channel linked to your workspace, and none is planned. A page that implied one would win the visit and lose the reader in the first minute, which is the wrong trade to make on purpose.

The usual route is export, then upload. Export the broadcast, wait for the download to finish, and drop the file on the page. Four containers are read — mp4, mov, mkv and webm — up to 8 GB. The app reads the file, not where it came from, so a stream that already lives on your disk skips the export.

Unless the broadcast is already on YouTube. The paste box takes a youtube.com or youtu.be address — a watch page, a Short, a live URL or an embed — so a broadcast that is also on your YouTube channel can be handed over as a link and fetched once on our side, with no export to wait for. You confirm the video is yours to use before the import starts, and what is stored is the sentence you were shown, the version of the terms, the time and the address. Imports are capped by the day — three on the trial, twenty on Starter, fifty on Creator, a hundred on Studio — and uploads are not.

And it has to fit. There is no cap on how long a single video may be, on any paid plan — a seven-hour VOD is read the same as a thirty-minute one, and simply spends credits by the minute. The free trial reads thirty minutes of video, once, with no card.

Live is not a thing it does. Nothing watches a broadcast and cuts as it goes. The stream ends, the VOD exists, and then this starts.

One pass favours the beginning. Read straight through, a long transcript anchors on what it sees first and stops picking from the back half. That was measured on whole episodes, and it is why windows exist at all.

Windows, in parallel. Around half an hour of content each, six at most, with three minutes of overlap on every inner edge so a passage sitting on a seam is still read whole by one of them. The finalists from all of them go into a single pool, and a final judge ranks them against each other rather than against their neighbours.

The opening is set aside. A model reads the start of the transcript and decides where the content actually begins, so the ranking is not spent on the part where you are greeting people and waiting for the raid to land.

Boundaries are words, not seconds. The model never returns a timecode. It quotes the words it wants to open and close on, verbatim, and the times are read off those words — so a cut can land anywhere except inside a word.

Then a stranger reads it. Every candidate is read again with the clip’s own lines and nothing else: no title, no transcript around it, no timecodes. If it only makes sense to someone who watched the previous two hours, the cut is made again with the report attached. A clip that still cannot be followed cold stays in the list but cannot score above 60, and it carries a line saying what was missing.

Speaker tracking is TalkNet-ASD. On a co-stream, or a VOD with a guest on the second camera, the crop stays on whoever is actually talking rather than on whoever happens to be in shot. This is the part of a stream recording a fixed vertical crop handles worst.

Two ship by default; two more need a camera. Boxed 1:1, with the words composited behind the speaker — the subject is matte-cut and sits over the text — or full-frame 9:16 with karaoke captions timed off the transcript. Pick one, save it as a preset, and every moment you approve comes out the same way. A broadcast with a webcam over the game gets two more automatically: the screen filling the frame with the camera riding over it as a circle, the way it looked live, or the camera across the top with the screen filling the rest. Both are offered only where the shape watcher finds a camera in the picture, which on a gameplay VOD is most of it.

The banner guard is a lower-third detector. It measures the footage for a graphic frozen along the bottom of the frame and punches in only if it finds one. That is the only shape it looks for: an overlay somewhere else — a webcam border, an alert box in a corner — is part of the picture as far as it is concerned.

You decide, then it cuts. Nothing renders until you approve a moment, and nothing is posted anywhere for you. The finished MP4 waits in your library for you to download and upload wherever it is going.