Video Looper

How to Use

1. Click the area above to select a file, or drag and drop a file onto the page
2. Adjust parameters in the settings area
3. Click the process button and download the result when ready

Frequently Asked Questions

How It Works

The Video Looper uses FFmpeg WebAssembly with the stream copy or concat demuxer to repeat a video segment multiple times. In copy mode, the tool reads the input video and writes the same stream data N times to the output container.

The process works by: (1) Reading the input video's stream metadata (codec, resolution, frame rate, timestamps). (2) Creating an output container with matching parameters. (3) Writing the video and audio packets N times, adjusting timestamps for each repetition so they don't overlap. (4) Updating the container's duration metadata to reflect the total length.

In copy mode, this is extremely fast since no encoding occurs — the raw packet data is simply duplicated with adjusted timing. The output is a single continuous video file that plays seamlessly from end to beginning for the specified number of loops.

Tips & Best Practices

• Start with short clips: Looping is designed for short videos (under 30 seconds). Looping a 5-minute video 100 times creates an impractically large file.
• Use copy mode for instant processing — no re-encoding means original quality is perfectly preserved.
• Consider total duration: A 10-second clip looped 50 times = 500 seconds (8+ minutes). Plan your loop count based on target duration.
• Create seamless loops: For perfectly seamless looping, ensure your original clip's first and last frames match visually.
• Match output format: Keep the original format in copy mode for best results. Changing format requires re-encoding.
• Use for backgrounds: Looping short ambient clips creates perfect background videos for presentations or displays.

Use Cases

Display managers creating looping background videos for retail screens, museum exhibits, or trade show displays that play continuously without interruption.

Social media creators extending short video clips to meet platform minimum duration requirements. Animators creating seamlessly looping animations for websites and apps. Meditation app developers generating extended ambient video backgrounds from short nature clips. Event planners preparing looping video content for projection mapping at venues. GIF alternatives — looping a short MP4 video is more efficient than a large GIF for continuous playback.

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