Video Cutter and Joiner

Cut or join clips with an honest fast-versus-precise choice.

or drop video here

Files stay on this device. Nothing is uploaded..mp4, .webm, .mov

1
Choose video
Pick video from your device or drop them on the page. Type is checked from the file’s bytes, not its name.
2
Set options
Set start and end. Precise re-encodes; keyframe copy is faster and less accurate.
3
Save video
Processing happens in this tab. You download a new copy; your originals are never changed.

How to use this tool

How it works

Choose a short MP4 or WebM clip.
Set start and end. Precise re-encodes; keyframe copy is faster and less accurate.
Mute strips the audio stream. Download a new file.

Clips stay in this tab. No upload.

Browser uses single-thread ffmpeg.wasm. Long clips are device-limited.

Supported inputs and outputs

MP4/WebM in. MP4 or WebM out via local ffmpeg.

Example

A 2s clip cut 0–1s is about one second and is not a renamed original.

Questions and answers

Does mute leave silent audio?

No. Mute removes the audio stream.

Related: Video Compressor and Converter GIF and Animated WebP Maker Video and Audio Media Inspector