How can I combine or merge multiple videos into one on Windows 11?

LosslessCut is an open-source multimedia tool that lets you merge multiple videos into one without re-encoding, thereby preventing any loss of video quality. It supports intuitive drag-and-drop operations.

How to Merge Multiple Videos into One

Step 1: Download the software

Step 2: Launch the software, drag and drop the first video into the window, or select it via File → Open.

Step 3: Import the second video: Drag the file into the window, or click Open again.

Step 4: All loaded video clips will be displayed simultaneously on the timeline.

Step 5: Click the Export button or use the shortcut Ctrl + E to start merging.

Finally, select the destination output folder, then click Export to generate the merged file.

This lightweight, portable software tool causes absolutely no loss in video quality, and the entire merging process takes only about 1 minute to complete. It is ideal for quickly organizing media offline and merging video clips.

Pros

• Open-source software with no watermarks
• Lossless processing throughout; no re-encoding is required, so the original video quality is fully preserved.
• A single tool supports both video merging and lossless trimming.

Cons

• Supports lossless merging only for a limited range of mainstream video formats.
• Cannot add transitions or edit effects between merged video clips.
• Lacks an advanced encoding parameter adjustment panel for customizing the output.
• May not be able to merge videos with inconsistent frame rates or codecs.