Audio, Video & Subtitle Tools

Video Trimmer

Use Video Trimmer free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
Drop files here or browse your deviceBrowse filesvideo/*
CONVERSION LOGIC

Trim a video by time

Select a starting point and duration, then encode the selected interval as MP4.

Media fileProcessed mediaRuns locally
01Media file
02Seek → duration → H.264 + AAC
03Processed media

The MP4 is written with fast-start metadata for web playback.

GOOD TO KNOW

The selected section is re-encoded

The current implementation uses H.264 video and AAC audio rather than losslessly copying the selected stream.

PRIVATE BY DESIGN

Your content stays in the browser

Processing runs locally in the page without requiring the content to be sent to UtilityLake.

02

In short

What exactly does it do?

Select a starting point and duration, then encode the selected interval as MP4.

Example?

The MP4 is written with fast-start metadata for web playback.