Zolkit

MP4 Trimmer

Trim MP4 files online in your browser. Set start and end points, preview the clip, and download a clean MP4.

Drop your video here

or click to browse

MP4, MOV, AVI, MKV, WebM, WMV, FLV and more · up to 2 GB

Timing Preview

Upload a video to preview and set cut points

0:00

Start

0:00

Output

0:00

End

Edit Mode

Trim Range

Output Quality

MP4 is the most common video format from phones, cameras, screen recorders, and social apps. This preset focuses on the MP4 trimming workflow: upload the file, preview the exact moment where the useful content begins and ends, then export a new MP4 that removes dead time from the start or ending.

Trim Video Online — Cut Clips and Split Long Videos

Zolkit's Video Trimmer edits video timing entirely in your browser. Upload MP4, MOV, AVI, MKV, or WebM footage, preview the video, set start and end points, then export a clean MP4. You can also split a long video into 2 to 6 equal parts for sharing, uploading, or organizing clips. Your file stays on your device during processing.

Private Browser Processing

Your video is processed locally with FFmpeg WebAssembly. No upload, no cloud storage, and no server-side queue.

Cut Start and End

Remove dead air, countdowns, setup time, mistakes, or extra seconds from the beginning and end of a video.

Timing Preview

Use the built-in player to find the right frame, then set the start or end point from the current playback position.

Video Splitter

Split long videos into 2, 3, 4, 5, or 6 equal MP4 parts without installing desktop editing software.

MP4 Export

Exports standard H.264 MP4 clips that work on phones, social platforms, editors, and desktop players.

Free, No Watermark

Trim, split, and download your video without signing up, installing software, or adding a watermark.

How to Trim a Video Online

  1. 1

    Upload your video by dragging it onto the page or clicking to browse.

  2. 2

    Preview the video, choose Trim or Split, and set the time range or number of parts.

  3. 3

    Click Trim Video or Split Video, wait for processing, then download the MP4 output.

Frequently Asked Questions