Especially designed for Kindle Fire, Aneesoft Kindle Fire Video Converter empowers you to convert various video formats to Kindle Fire MP4 videos. Additionally, cropping video size, adding watermark, adjusting video brightness/contrast, customize video audio parameter etc. will bring you a personalized conversion process. Key Features of Aneesoft Kindle Fire Video Converter1. Convert all popular videos to Kindle Fire MP4, like 3GP to Kindle Fire, ASF to Kindle Fire, AVI to Kindle Fire, DV to Kindle Fire, FLV to Kindle Fire etc.2. Convert almost all video files to Kindle Fire MP4 video formats in few seconds with excellent output quality.3. Video audio parameters can be adjusted freely: video resolution, video bit rate, frame rate, audio bit rate, sample rate, channel.4. According to your need, crop video screen size, crop video aspect ratio, adjust video brightness and contrast, select desired effect, add text and image watermark, deinterlace the video, merge videos into one file etc. all are up to you!5. Multithreading and batch process supported by the Kindle Fire video converter let you do multiple tasks at one time, saving your time and energy.6. Provide you with a built-in player to preview video and take snapshot anytime during preview.