Merge multiple clips together (Even with different file extensions, resolutions, or audio tracks).
Merge order (Drag and drop to rearrange):
No videos selected. Add videos to get started.
Our online tool concatenates your video clips seamlessly (such as camera footage, social media stories, or recorded snippets). Powered by a modern complex filtering engine, you can mix different resolutions (HD, 4K, Vertical), formats (MP4, AVI, MOV), frame rates, and even mute videos with audible ones. The tool automatically and intelligently standardizes everything into a unified 720p HD format at 30fps.
Import your video files, whether they are in .MP4, .AVI, or .MOV format, using our simple drag-and-drop user interface.
Our engine automatically resizes and matches incompatible media streams using a secure, local complex filter.
Instantly download your single, fully combined final MP4 video file with no watermarks attached.
Combining multiple video sequences recorded from different sources (such as a smartphone, an action camera, or a PC screen capture) usually creates severe compatibility errors. One video might be in a vertical 1080p layout, while the second is a square 720p .AVI file. Attempting to stitch these raw formats together invariably causes conventional video processing software to crash.
To bypass this technological bottleneck, our client-side video merger uses a FFmpeg Complex Filter (-filter_complex). Before stitching the files, the script runs a real-time scaling algorithm and forces a steady 30fps frame rate. Every uploaded clip is neatly adapted into a unified 1280x720 standard, and letterbox padding is intelligently applied to ensure your layout or aspect ratio never looks distorted. Furthermore, it automatically intercepts muted tracks and generates a dummy silent audio track to keep the encoding execution perfectly stable.
Yes! Thanks to dynamic re-encoding powered by the native complex filter, the engine decodes the original raw media streams—regardless of the extension (MKV, MOV, AVI)—matches them to the uniform project dimensions, and exports a clean, globally supported MP4 (H.264/AAC) file.
No, absolutely not. Our platform values total asset integrity. The online utility merges your files together locally without placing any watermarks, logos, or forced branding layers onto the final video output.