Video Merger

Stitch multiple clips together into one video.

Exports mp4

How to use Video Merger

  1. Choose a supported video or audio file.
  2. Set the video merger options and preview them.
  3. Process the file and download the validated output.

Processing and privacy

The supported processing runs locally in your browser.

Real FFmpeg WebAssembly multi-file merging with duplicate prevention, stream compatibility analysis, safe normalization, audio preservation, aggregate workload limits, timestamp continuity checks, cleanup, and generated-output validation.

Common questions

Is Video Merger available now?

Available now as a browser-only beta for verified MP4 and WebM inputs.

Where does processing happen?

The supported processing runs locally in your browser.

Related Video tools

  • Video Trimmer — Keep only the section between two timestamps.
  • Video Cutter — Remove an unwanted segment and stitch the rest together.
  • Loop Video — Repeat a clip multiple times into one file.
  • Split Video — Split a video into multiple downloadable segments.