Media tool

Trim Video

Cut a short video clip by start time and duration.

Add your input

Your file stays in this browser.

Settings

Good to know1 file · 100 MB max · 180 sec max
Upload a MP4, WebM, MOV, or MKV fileResult: MP4 files
  • Your media file stays in this browser while the tool runs.
  • Short clips work best. Large or complex files may take longer or fail.
  • Fast stream-copy trimming is used first; exact frame cuts may depend on keyframe placement.

How it works

How to use Trim Video online

  1. Upload a MP4, WebM, MOV, or MKV file. The tool validates the published file type and size limits before the run.
  2. 2 adjustable settings. Review these settings before processing.
  3. Run the tool in your browser, review the result, and download the mp4 files.

Overview

Trim Video with local-first browser processing

Cut a short video clip by start time and duration. Review supported input, output format, settings, browser requirements, and practical limits before starting.

Input

Upload a MP4, WebM, MOV, or MKV file

Output

MP4 files

Limits

1 file · 100 MB max · 180 sec max

Best for

Trim Video use cases

  • Prepare the mp4 files for sharing, archiving, or another file workflow.
  • Process the job in your browser without creating an account.
  • Check the published limits before processing larger or unusual inputs: 1 file · 100 mb max · 180 sec max.

Processing

What happens in your browser

PrivConvert uses ffmpeg.wasm for this workflow. 2 adjustable settings. This tool checks for wasm support before running

Your media file stays in this browser while the tool runs.

Related tools

Guides & tests

Understand the output before you choose

Animated WebP vs GIF: Two Browser Conversion Tests Compare animation file sizes and visible tradeoffs using the same clips, dimensions, and frame rate.

FAQ

Trim Video questions

See how privacy works

Is Trim Video free to use?

Yes. This tool is free to use in your browser and does not require an account.

Are my files private?

Trim Video uses ffmpeg.wasm in the browser. Selected files are processed locally when the required browser features are available, while application, library, model, security, and limited analytics requests may load separately.

What limits should I know about?

1 file · 100 MB max · 180 sec max. Short clips work best. Large or complex files may take longer or fail.