MacX Free WebM Video Converter is a high-efficiency free WebM video converter for Mac users to convert WebM WebM/VP8 videos to AVI, MOV, MP4, YouTube, iPad, iPhone, iPod, Apple TV and Blackberry for free on Mac. Moreover, this free WebM video converter for Mac also offers versatile editing functions such as adjustable video and audio parameters, trimming, cropping, merging and adding external subtitle etc to enrich your videos. With this free WebM video converter, you can watch the WebM videos offline on your portable devices freely.Main features:1. This free WebM video converting software is designed to free convert WebM videos to most popular formats, including AVI, MOV, MP4, YouTube, iMovie.2. The WebM video converter also can convert WebM video to Blackberry and Apple portable devices, such as iPad, iPhone, iPod, Apple TV with satisfying quality.3.With the flexible parameter settings, you are allowed to adjust video codec, audio codec, bit rate, frame rate, video resolution and so on, according to your own need.4. Excellent video editing feature lets you to freely trim, crop, merge, add external subtitle and watermark to video.5. This free WebM video converter enables you to create stunning slideshow from your photo libraries. You can also add background music or voiceovers to the slideshow.6. The video converting speed and the output video quality are maximumly fastened by the Multi-core CPU, High Quality Engine and the De-interlacing accelerator.7. The brand-new user-friendly interface thoroughly freshens the video conversion experience for both novices and the advanced users.8. Totally free, 100% clean. No Spyware, no Malware and no Adware. No watermark and no time limit.9. Optimized the kernel module for video encoding, greatly increasing the video converting speed.