Rampcut

Rampcut is an advanced browser-based video editor specializing in speed ramp effects, offering key features such as drawing custom speed curves, slow-motion enhancement via frame interpolation, automatic beat synchronization, motion blur application, and 4K video export—all without uploading your footage. This tool prioritizes local processing to ensure your videos never leave your device, guaranteeing privacy and security. Its curve-first editing approach allows users to shape playback speed intuitively with bezier or linear curves, offering real-time preview for precise adjustments. The built-in frame interpolation technology smoothly generates intermediate frames to create silky slow-motion effects without visual artifacts like judder or ghosting. Additionally, Rampcut simplifies rhythm-based edits by detecting audio beats and automatically creating synchronized speed changes, eliminating manual keyframe placement. Users can also add cinematic motion blur transitions with customizable quality presets to enhance the visual appeal. Designed for content creators, videographers, and social media editors seeking high-quality speed ramp videos quickly and securely, Rampcut operates entirely within modern browsers with no installs required. It's ideal for producing captivating clips while maintaining full control over original media files.