Step 1: Download and install ImTOO FLV to SWF Converter.
How to convert Flash FLV to SWF video with high quality? ImTOO FLV to SWF Converter can help you clear up the problem. The following is the step by step guide on how to convert FLV to SWF video.
Click the button "Play", you will preview the whole movie. Click "Snapshot" button below the preview windows to take a snapshot during preview to save as JP, PNG, GIF or BMP file.