butterflow-ui for Windows

What this tool is

butterflow-ui is a Windows-only graphical front end for the butterflow video processing engine. It provides a visual, click-based environment so users can perform advanced frame interpolation and speed adjustments without needing to type command-line instructions. The application is free to use and focuses on making complex video manipulations accessible.

Main advantages

• A straightforward visual interface for adjusting playback speed and frame interpolation
• Compatible with a wide range of common video file types
• Useful for both beginners and experienced editors who want hands-on controls
• Tools for creating slow-motion sequences and fast-forwarded clips
• Designed specifically for the Windows desktop environment

Supported formats and compatibility

• MP4, MKV, AVI and other widely used container formats
• Raw and less common codecs where butterflow’s engine can process them
• Files sourced from consumer cameras as well as screen recordings
• Workflows that integrate exported video into other editors or players

Typical uses

• Producing smooth slow-motion footage by interpolating additional frames
• Speeding up sections of a clip while preserving fluid motion
• Preparing clips for review, demonstration, or creative editing
• Experimenting with frame-rate conversion for playback on different displays

Alternative suggestions

• SHAREit — free option for transferring and sharing video files between devices
• VLC Media Player — versatile playback and basic conversion features
• Smooth Video Project (SVP) — specialized for frame interpolation and motion smoothing

Getting started quickly

Begin by loading a video into the interface, select the desired playback speed or target frame rate, preview the result, and export when satisfied. The program’s controls are organized to guide users through those steps without requiring advanced technical knowledge.