Choose a watermark type
Use the Watermark button on an imported video to open the watermark settings. Choose Image, Text, or Time, then preview the watermark before saving.
The Watermark Editor supports batch jobs, so the same approved mark can be positioned once and applied across multiple videos.
Add a watermark
- Open LosslessConverter.
- Drag a video into the main window, or select Add Files.
- Click Watermark on the imported video row.

- Choose one of the three watermark types: Image, Text, or Time.
- Customize the content, size, appearance, and timing as needed.
- Drag the watermark in the preview to the intended position.
- Select Save. For multiple videos, use Apply to All, return to the main task list, and choose Start All.

Watermark tips
- Preview the first few seconds and a frame near the end to confirm the watermark stays within the frame.
- For consistent batches, use files with the same resolution and composition before selecting Apply to All.
- Choose the final output format after editing to avoid an extra generation of transcoding.
