Video Trimmer

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Drop a video here, or click to choose

MP4, MOV, WebM and MKV — the file stays on your device

This is a free video trimmer that works on the video files already sitting on your own device, and it never uploads a single byte. You pick a start and an end — drag the two handles along the timeline, or type the exact times into the boxes — and you get back an MP4 containing only that stretch. Nothing else about the video is touched: the picture is not resized, the frame rate is not changed, and there are no quality settings to get wrong, because cutting out one section is the entire job this page does. When you leave the start at zero and only cut the tail, the video is copied straight through without being re-encoded, so that part of the file comes out bit for bit identical to what went in and the run takes seconds even on a long recording. When you move the start forward, the selected stretch is re-encoded once so that it can begin exactly on the frame you chose, rather than at the nearest keyframe several seconds earlier the way a copy-only cut would force it to; the tool says which of the two is about to happen before you press the button, and holds the bitrate to the source's own average so the clip never comes out larger than the piece it was cut from. All of it runs on your machine, which matters most for exactly the files people need to trim: a two-hour meeting recording does not have to travel to a server and back before anything can begin.

How to trim a video

  1. 1

    Open your video file

    Drag a video into the box or click to pick one from your device. MP4, MOV, WebM and MKV all work, and the file is read locally — it is never sent anywhere, so even a very large recording is ready in a moment.

  2. 2

    Choose the part you want to keep

    Drag the two handles along the timeline, or type exact times such as 1:05.3 into the start and end boxes. The preview jumps to whichever point you just moved, so you can see the frame you are cutting on, and the selected length and estimated size update as you go.

  3. 3

    Trim and save

    Click “Trim video” and watch the progress bar; you can cancel at any point. When it finishes, play the result on the page to check you kept the right stretch, then download the MP4.

Highlights

Nothing leaves your device

The file is read from your disk and cut in your browser. Meeting recordings, medical footage, unreleased work and family video stay on your own machine, and there is no upload to sit through before the work can start.

The cut lands on the frame you picked

Trimmers that only copy the stream have to start at a keyframe, which can hand you several seconds you never asked for. Here the selected stretch is decoded and begins exactly where you put the handle, and the audio is cut to the sample.

No re-encoding when you only cut the end

Leave the start at zero and the video is copied through untouched — the picture is bit for bit the original, there is no generation loss at all, and even a long file is done in seconds.

Type the exact time, to a tenth of a second

The boxes accept 1:05.3, 12.5 or 1:02:03, whichever way you wrote it down. A time past the end of the video is pulled back to the end, and a start that sits after the end is refused with an explanation rather than silently swapped.

Free, no watermark, no sign-up

No account, no credits, no daily quota and no logo burned into the corner of your footage. Trim as many of your own files as you like, as often as you like.

Standard MP4 out, plays everywhere

The result is an MP4 with its index written at the front, so it starts playing immediately on phones, computers, televisions and every upload form you are likely to meet.

Common uses

Keeping the five minutes that mattered

A two-hour meeting or lecture recording usually contains one stretch worth passing on. Cut that out and send it, instead of asking everyone to scrub through the rest looking for it.

Cutting the shaky opening off a phone clip

Handheld video almost always begins with a few seconds of fumbling before the shot settles. Move the start handle past it and the clip opens on the picture you meant to record.

Fitting a platform's length limit

One site stops at 60 seconds, the next at two minutes twenty. Choose the strongest section yourself rather than letting the upload form cut wherever it happens to land.

Sending someone only the relevant part

A bug reproduction, one disputed moment in a match, a single exercise out of an hour-long class — a short clip gets watched straight away, a long one gets postponed.

FAQ

Is my video uploaded to a server?

No. The file is read from your disk, cut inside your browser, and the result is handed straight back to you. Nothing is transmitted at any point. Beyond the obvious privacy benefit, this is why the tool starts working immediately: an ordinary online trimmer has to receive your entire file before it can do anything, and for a long recording that upload is by far the slowest part of the job.

Does trimming reduce the quality?

It depends on where you put the start. If you leave the start at zero and only cut the tail, the video is copied through without being decoded or re-encoded at all, so the picture is bit for bit identical to the original — there is no loss whatsoever. If you move the start forward, that stretch has to be re-encoded once, which is lossy; the tool holds the bitrate to the average of your source file so the clip stays close to it in both size and appearance, and it tells you which of the two is about to happen before you press the button. Either way your original file is never modified.

Will the clip start exactly where I put the handle?

Yes. Video can only be decoded from a keyframe, which is why some trimmers move your start point back to the nearest one and quietly give you extra seconds at the front. This tool decodes the selection instead, so the first frame of the result is the frame that was on screen at the moment you chose, and the audio is cut to the sample. The only granularity left is the length of a single frame, about 33 milliseconds at 30fps. The price of that accuracy is the one re-encode described above.

What time formats can I type into the boxes?

Seconds (12 or 12.5), minutes and seconds (1:05 or 1:05.3), or hours, minutes and seconds (1:02:03.4). A full-width colon and a comma used as the decimal point are both understood, since those are what several keyboard layouts produce. A time past the end of the video is pulled back to the end. Something genuinely ambiguous — 1:75, for instance, which could be a typo for 1:15 or an odd way of writing 135 seconds — is refused rather than guessed at, because a wrong guess is worse than a second attempt.

Why is there a minimum length for the selection?

The selection has to be at least 0.2 seconds, which is five or six frames at ordinary frame rates. Below that there is barely a frame to keep: many players show nothing at all, upload forms reject the file as invalid, and a start and end that are identical are not a selection in the first place. Dragging a handle simply stops at that distance from the other one; typing a start that sits at or after the end is refused with an explanation instead.

How long a video can I trim?

The input can be as long as you like — the file is read in pieces, so its size is not the limit. What is limited is the result, which has to be assembled as a single block of memory inside the browser tab; the size of the selection is estimated before the run and you are warned when it would be too large, rather than left to watch the tab die. Cutting only the tail is quick regardless of length, since nothing is re-encoded. Moving the start forward means real encoding work, so expect a long selection to take a while, and use the cancel button freely.

What do I get back, and is my original changed?

An MP4 containing just the stretch you selected, with the index written at the front of the file so it starts playing without downloading the whole thing first. It is saved under the original name with “-trimmed” added, and your original stays exactly where it was, untouched and unchanged — this page can only read your files, never write over them.

Keep only the part that matters

Free, private and entirely in your browser. Open a video, choose a start and an end, and download just that stretch.

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