: Capable of compressing 1 GB of video down to 200 MB without significant quality loss.

While version 5.5 was a minor refinement update, it sits within the broader 5.x series that added significant flexibility:

: Converts roughly one hour of video in 2–6 minutes using hardware acceleration (VideoToolbox).

: Supports simultaneous conversion, trimming, audio extraction, and speed adjustment (0.5x to 2.0x) for multiple files.

: Includes a unique video comparison function to check quality against the original, a conversion history log, and iCloud synchronization for app settings. Version 5.5 Specifics

: Users upgrading from older versions are often prompted to click "Factory Defaults" in settings to activate new features enabled by updated internal binaries. Technical Specifications Developer Ganggang Kong (刚刚 孔) Platform macOS 11.0 or later Size Languages English, Simplified Chinese Formats Supports mpg, mp4, avi, 3gp, rm, rmvb, and more Thunder Video Converter Pro - App Store

: Expert users can add custom FFmpeg format options to conversion rules.

: The 5.5 update specifically adjusted menu items to reduce "mis-operations".