Choosing a reliable and lossless video converter software is highly suggested if you want to convert MP4 to SWF with 100% original quality preserved. Here recommends Joyoshare Video Converter, an expert in converting and editing video and audio files. It can support no less than 150 popular video and audio digital formats such as MP4, SWF, M4V, MKV, HD, AVI, WebM, DVD, MP3, M4A, AAC, AC3, FLAC, WMA, etc. This application also offers you high-speed mode (no quality loss) and encoding mode (which allows you to edit your MP4 files) to satisfy your different needs.
In addition to this, this program is a skillful video editor as well. You can use it to customize your SWF videos by trimming, inserting image and text watermark, adding video/sound special effect and adjusting video parameters including aspect ratio, brightness, contrast, etc. In brief, with Joyoshare Video Converter, you are able to convert MP4 to SWF at a 60X fast speed with ease.
Key Feature of Joyoshare Video Converter:
Extra advanced editing features
Convert SWF to MP4 and vice versa
Support multiple MP4 videos at a time
60X conversion speed with original quality