How to edit long YouTube videos
faster with AI
Why long videos take so long to edit
A long video starts as even longer footage. A one-hour interview can come from two or three hours of recording. A workshop recap can come from a full day. Before anyone makes a creative choice, someone has to watch all of it. The editing is not the slow part. The watching, the sorting and the cleaning are.
How long-form editing is usually done
In the usual editors, the first pass is by hand. You import the footage and watch it through. You mark the good moments and note the time codes. You cut the silences, the ums and the retakes one by one. You build a rough cut, then add chapter titles, captions and music. Only then can you judge whether the video works, and changing the structure often means redoing part of the work.
Using an AI video editor for YouTube
Montage takes the first pass off your hands. Hours of footage go in. It watches all of it, finds the moments worth keeping and builds the first cut. You say what you need: “Here are three hours of the workshop. Make a 20-minute recap.”
From there, the cleanup is a sentence away. “Cut the silences, the ums and the retakes.” It keeps the best take of each line. “Open each part with its own title.” “Add captions in our brand colors.” Every word is captioned, in your fonts and colors.
You keep control of every cut
The first cut is a starting point, not a black box. Every cut comes back when you ask. Open it, move a clip, change a take, or ask for a different structure and compare. Each change makes a new version, so you can always go back to an earlier one.
Shorts from the same recording
A long video is also a source of short ones. Ask for the best moments as Shorts, and they come back vertical, framed on the speaker, with captions on. They point new viewers to the full video. One recording gives the long video and the short ones that bring people to it, without filming twice.
Tips for editing long videos
- Say who the video is for and how long it should be. A length gives the cut a shape.
- Ask for the structure first, then the polish.
- Name the moments that must stay: “Keep the story about the first client.”
- Use chapter titles. On YouTube, they help people find the part they came for.
- Watch the first cut once from start to finish before changing details.
- Keep the first minute tight. That is where most viewers decide to stay or leave.
















