Turn raw YouTube footage into a polished, structured video. Cubix removes dead air and retakes, tightens pacing, adds captions and B-roll, cleans audio, and keeps every edit adjustable on the timeline.
Retake
Dead air
Talking
Screen / demo
B-roll gap
Talking footage
Retake 2
Cubix
Polished YouTube video
Hook
Setup
Main point
Demo / B-roll
Next point
Wrap-up
One recording. One finished video. More content from the same edit.
Main video
YouTube Shorts
Captioned clips
Highlight clips
Long-form YouTube editing means turning raw footage full of retakes, pauses, repeated points, uneven pacing, audio problems, and missing visual support into a structured video. Cubix analyzes the footage, tightens the cut, adds captions and B-roll, cleans spoken audio, and leaves the finished timeline fully editable.
Cut long pauses, repeated takes, and unwanted gaps while keeping the delivery natural.
Clean up slow sections without turning the whole video into a hyperactive short.
Place supporting visuals where they help explain a point or keep the frame from feeling static.
Generate accurate, word-timed captions and customize how they appear in the finished video.
Surface useful moments from the full video that can become standalone short-form clips.
Upload the clips or recording for your YouTube video, or paste a supported video link.
Cubix analyzes the structure and footage, then applies the cuts, pacing, captions, B-roll, audio cleanup, and other edits you choose.
“Tighten this video, cut the retakes, keep the product demo, and add B-roll where it helps.”
Change any cut, B-roll choice, caption, audio adjustment, effect, or timing decision before exporting the finished video.
Hook
Setup
Main point
Demo / B-roll
Next point
Wrap-up
Long-form editing isn’t just removing silence. The video still needs structure, breathing room, visual support, and a clear progression. Cubix helps build that first cut without flattening every section into the same pace.
Cubix
Finish the main upload, then reuse useful moments from the same footage for short-form content.
A polished long-form cut with tighter pacing, clean audio, captions, and visual support.
Turn useful moments into vertical Shorts without rebuilding the edit from scratch.
Create standalone moments with captions already styled for the clip.
Pull multiple editable clips from the same long-form recording.
Cubix gives you a strong first edit without locking your YouTube video into an AI-generated final render.
For creators publishing long-form videos who want less repetitive editing without giving up control of the final cut.
Publishing regular long-form videos.
Recording and editing without a dedicated editor.
Turning explanations and demos into structured videos.
Editing opinions, lessons, breakdowns, and thought-leadership videos.
Combining talking footage, screen recordings, demos, and B-roll.
Turning full uploads into Shorts and social clips.
An AI YouTube video editor automates repetitive editing work for YouTube videos, such as removing pauses and retakes, tightening pacing, adding captions and B-roll, cleaning audio, and finding useful moments for shorter clips.
Yes. Cubix can analyze raw footage, plan an edit, apply changes to the timeline, and let you review and refine the finished YouTube video before exporting.
Yes. Cubix can work with longer recordings and help tighten pacing, remove unwanted sections, add visual support, clean audio, and preserve the structure of the video.
Yes. Cubix can identify long pauses, repeated takes, and unwanted spoken filler, then tighten those sections while keeping the delivery natural.
Yes. Cubix can add relevant supporting B-roll based on what is being discussed, and you can review, replace, move, or remove those choices before export.
Yes. Cubix can generate word-timed captions and lets you customize their styling, placement, emphasis, and appearance.
Cubix can reduce unwanted noise and improve spoken-audio clarity while leaving the final audio adjustable in the editor.
Yes. Cubix can identify useful moments in longer videos, turn them into separate clips, reframe them vertically, and prepare them for YouTube Shorts or other short-form platforms.
Yes, when they are long-form YouTube videos. Cubix can tighten pacing, add captions and B-roll, and pull Shorts from the same upload. Step-by-step how-tos that must keep every instructional step belong on the tutorial editor page. Concept explainers that are not a procedure or a course library belong on the educational video editor page.
This page is for long-form YouTube videos that already have a structure — a talking-head recording, studio video, or mixed demo. The vlog editor is for a camera roll of scenes from a day, trip, or event that still need to be sequenced into a story.
Yes. You can give Cubix editing instructions in normal language, including what to keep, cut, tighten, emphasize, or change, and then review the edits on the timeline.
Yes. Every Cubix edit remains adjustable. You can change cuts, pacing, captions, B-roll, framing, audio, effects, and other details before exporting.
Upload your footage. Tell Cubix what you want. Let the AI handle the edit.
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