How to Trim a YouTube Video

Which trim do you mean?

“Trim a YouTube video” is four different jobs wearing one phrase, and they have almost nothing in common except the word. One of them rewrites something thousands of people may have already watched. The other three change nothing whatsoever.

This matters more than it sounds like it should, because the destructive one is the most visible answer. YouTube has a trim tool, it is free, it is right there in Studio, and it works. So it gets used for jobs that never needed an edit at all – and since 2025 it cannot be undone.

• Shorten what is already publishedthe Studio editorThe only one of the four that rewrites the upload, and since 2025 the only one you cannot take back. Right for a dead first minute or something that should not be there; wrong for almost everything else.
• Get a piece out to post elsewherea clipper or an editorNothing on YouTube changes at all – you are making a new, separate file. This is what most people actually want, and how to clip a video is the two-minute version of it.
• Show somebody one particular parta start-time link, or a ClipNo edit of any kind. If the goal is that a person watches the bit at 6:12, nothing has to be changed to arrange that, and it takes about ten seconds.
• Use a section of somebody else’s videoClips, and permissionYou cannot trim a video you did not upload; the editor only opens on your own. What you can do is clip it, link to it, and think carefully before republishing it.

If you already know you want a separate file to post somewhere else, you can skip most of this page: the YouTube clipper does that part, and how to clip a video covers the craft of where to start and stop.

Trimming a video you have published

This is the YouTube Studio editor, and its behaviour is documented rather than a matter of opinion, so here it is with the documentation attached.

How the tool works. Open the video in Studio, open the Editor, and choose Trim & Cut. To shorten the start or the end, you drag the sides of the blue box so it covers the part you want to keep; everything outside it goes. To remove something from the middle, you choose New Cut and drag a red box over the part you want removed – the opposite logic, which is worth noticing before you drag anything.

What survives. The reassuring part, in YouTube’s own words: “The video’s URL, view count, and comments will stay the same.” Nothing is re-uploaded. Links that already exist keep working, and the video does not start again from zero.

What you cannot take back. The editor used to have a Revert to original option. It no longer functions as one: “As of June 2025, you are not able to undo changes made with YouTube Studio Editor after saving using the Revert to original feature.” Your master file is now the only undo you have, which is an argument for keeping one.

Two limits that stop people. The editor “is available for videos shorter than six hours”. And the one that surprises everybody: “For unedited video with over 100,000 views, you may not be able to save changes to it, except to blur faces”, with YouTube Partner Programme members exempted.

It is easy to read that second limit as an inconvenience. It is more useful to read it as YouTube agreeing with the point of this page – past a certain amount of attention, quietly changing what people have already watched stops being a small act, and the platform would rather you did not.

The behaviour above is quoted from YouTube’s help page on trimming and editing videos, read on 20 September 2026. Quoted phrases are YouTube’s. Interfaces change; if what you see does not match, the help page is the authority and this one is not.

What a cut quietly breaks

Here is the part that no dialogue box warns you about, and it follows from the reassuring sentence rather than contradicting it. The URL survives. The view count survives. The comments survive. None of those things is what carries a time.

Remove forty seconds from the middle of a video and everything after that point happens forty seconds earlier than it used to. The footage moved; the writing about it did not.

Drag the cut around and the rule falls out on its own. Everything before the cut is untouched and everything after it is wrong by exactly the length of what you removed – so a trim taken from the end costs nothing at all, and the same trim taken from the first minute costs you every reference in the video.

Three kinds of reference are involved and only one of them is yours to fix. Your chapters are timestamps you listed in the description – YouTube requires the first to be 00:00, at least three in ascending order, and “The minimum length for video chapters is 10 seconds.” Those you can rewrite. Timestamped comments and links from other sites are other people’s text, and there is no mechanism by which anything could move them.

YouTube’s documentation describes the trim and describes chapters, and does not join the two together, so check your own chapters after a trim rather than assuming it either way. Everything else, assume it is now wrong.

Which gives one practical rule worth more than the rest of this section: if you can take the cut from the end, take it from the end. A dead thirty seconds at the close of a video is free to remove. The same thirty seconds at the start is the most expensive edit available to you.

Getting a piece out as a file

This is what most people searching for a trim actually want: a short piece to post somewhere else, with the original left exactly as it is. It is not an edit of the YouTube video at all – it is a new file that happens to come from one.

Because nothing is at risk, the whole calculation changes. There is nothing to undo, nothing to break, and you can make six versions and throw five away. The YouTube clipper takes a link, and the trimmer takes a file; either way the upload is untouched.

The craft is covered elsewhere rather than repeated here, because it is the same craft whatever the source: where to put the in and out points, how to crop to vertical without ruining the shot, captions and how to correct them, and why the result can look softer than the source.

One thing genuinely specific to a YouTube source is worth saying. Start from the largest version you have. If it is your own video you still have the master, and that is the file to cut from – not a copy that has already been through an encoder once. A vertical crop keeps only about a third of the width, so the frame you start with decides most of how the clip looks.

If the answer is several clips rather than one, the hard part stops being cutting and becomes finding: turning a long video into short clips covers the route and choosing the best moments covers the judgement.

Showing somebody one part, without editing

A surprising share of destructive trims exist because this section is not obvious. If what you want is for a particular person to watch a particular ninety seconds, no edit is required and none is a good idea.

A start-time link. In the share panel under any video there is a box for exactly this. YouTube’s wording: “To link to a specific part of the video, check this box and enter the start time before you copy the link.” It works on anybody’s video, it takes about ten seconds, and it changes nothing.

A Clip. YouTube’s own clipping feature makes a short, shareable extract that still plays from the original upload. The help page puts the limits simply: “Clips are between 5-60 seconds long”. Two caveats: the uploader can switch clipping off in Advanced Settings, and you cannot clip a live stream without DVR or one longer than its DVR window.

The thing to understand about a Clip is that it is not a copy. It is a view onto the original, which is exactly why it is uncontroversial to make one of somebody else’s video and exactly why it is no use to you if you wanted a file to post on another platform. Those are different needs and this is the fork between them – YouTube Clips against Shorts takes that distinction further.

When it is not your video

The editor only opens on videos you uploaded, so the technical question answers itself. What is left is a question about permission, and it is worth separating the two because people tend to answer the second by looking at the first.

What you can do without asking anybody: make a Clip, if the uploader has left clipping on, and share a link that starts where you mean. Both are features the platform built for this, and neither reproduces anything.

What is a different question entirely: taking a copy of somebody’s footage and publishing your own cut of it. That it is easy to do, and that a great many people do it, is not the same as it being yours to do. The line moves with the platform, the rights holder and whether money is involved – earning money clipping covers where it tends to fall, and it is a better place to start than a comments section.

If you are clipping your own material and the concern is that it should not be public while you work, clipping without uploading covers the version of this where nothing leaves your machine.

FAQ

Related: how to clip a video, YouTube videos to Shorts and what video clipping is.