Trim Video Online

Cut any clip down to the section you want. Everything runs in your browser — your file never leaves your device.

Drop your video here, or click to browse

Select Video

Your files never leave your device — 100% private & secure

What is video trimming?

Video trimming — or cutting — means keeping one section of a clip and dropping everything before and after it. VidPackit does the whole job inside your browser: the file is read with the File API, cut and re-encoded through WebCodecs, and written back to your own disk, so no part of it reaches a server. You drag two handles on a timeline, or type exact start and end timecodes down to the millisecond, and the tool writes out just that range. Fast mode copies the encoded video untouched, which is lossless and nearly instant; Compatible mode re-encodes for a frame-exact cut. There is no upload queue, no watermark, no sign-up and no file size cap. It is free, and it runs on desktop Chrome and Edge.

How to trim a video

  1. Drop in your video

    Drag a video onto the box above or pick one from your disk. VidPackit reads its duration, resolution and audio track, then shows you what it found.

  2. Pick the section

    Drag the two handles on the timeline to set the start and end, or drag the middle of the selection to slide a fixed-length window along the clip. For exact values, type them into the Start and End fields as HH:MM:SS.mmm. Playback stays inside the selection, so what you preview is what you keep.

  3. Choose a mode

    Fast copies the video as it is — no quality loss, ready in seconds, with the cut snapping to the nearest key frame. Compatible re-encodes for a frame-exact cut, takes longer, and lets you write MP4, WebM or MKV.

  4. Trim and download

    Press Trim Video and your browser writes the clip locally, with a progress bar. Download the result when it finishes. Nothing was uploaded at any point.

If a logo or timestamp is burned into the footage, clean it up with the watermark remover before or after you cut so the mark never reaches the final clip.

Want a still from the part you just cut? extract a frame grabs any frame as a JPG or PNG.

Only after the sound? extract the audio pulls the audio track out as an MP3.

Want to turn the trimmed clip into an animated GIF? convert it to GIF renders it right in your browser.

Fast vs Compatible

Both modes cut the same range — they differ in what happens to the picture on the way out.

Fast — stream copy

The encoded video is copied into a new MP4 without being decoded, so there is zero quality loss and the job finishes in seconds. The trade-off is the cut point: it snaps to the nearest key frame, so the clip can start a moment earlier than the handle you set.

Compatible — re-encode

The video is decoded and encoded again, so the cut lands exactly on the frame you chose and the result plays in more players and editors. It takes longer than Fast mode, and the picture goes through one generation of compression.

Supported formats

Trimming reads whatever your browser can decode, and writes the containers below.

Output
MP4 in Fast mode; MP4, WebM or MKV in Compatible mode
Input
Anything your browser can decode: MP4, MOV, MKV, WebM, AVI, MPEG-TS and the usual video files.

Browsers only encode what their WebCodecs stack supports. If a container cannot be produced here, switch back to Fast mode, which copies the original video into an MP4 without re-encoding it.

Privacy and security

Trimming happens inside the page you have open. Your video is read with the File API, cut and written back by your browser through WebCodecs. No copy goes to VidPackit or anywhere else.

You can check that yourself in about a minute:

  • Open the Network tab in your browser dev tools, then trim a file. No request carries your video data.
  • Turn off your Wi-Fi after the page has loaded. The tool keeps working, because it does not need a connection.
  • Close the tab and the file is gone. Nothing is kept on a server because nothing was ever uploaded.

Frequently asked questions

Is the video trimmer free?

Yes. No account, no payment step, no daily limit and no watermark on your clip. Trim as many files as your device can handle.

Which mode should I use, Fast or Compatible?

Use Fast when you just want a section out of a recording: the video is copied untouched, so there is no quality loss and it finishes in seconds. Use Compatible when the exact frame matters or the result has to play everywhere — it re-encodes and takes longer.

Why does my trimmed clip start slightly earlier than I set?

Fast mode copies the encoded video instead of re-encoding it, so the cut has to begin at a key frame — the nearest one at or before the point you chose. Switch to Compatible mode if the cut has to land on the exact frame.

Are my videos uploaded anywhere?

No. Cutting runs in your browser with WebCodecs, so the file never leaves your device. The privacy section above lists two ways to verify that yourself.

Trim your video now

Drop a video into the tool at the top of this page and drag the handles. No upload, no sign-up, no watermark.

Back to the trimmer