Merge videos
Drop two or more clips — they'll be joined in order and re-encoded to MP4.
Drop files here
or click to browse - files stay on your device
Max file size: 500 MB
About this tool
Join multiple video clips into one continuous file. Re-encodes to a common format so clips with different codecs play seamlessly.
Features
- Concatenate unlimited clips
- Drag to reorder
- Re-encodes to H.264/AAC for compatibility
- Local, private
How to use it
- Add video files.
- Drag rows to reorder.
- Click Merge and download.
🔒 100% private
Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.
Frequently asked questions
Do clips need the same resolution?
Mismatched resolutions are scaled to the first clip's size during merge.