Make any video silky-smooth — up to 240 fps in your browser
Drag & drop video file here
Supports MP4, MKV, AVI, MOV, WebM and more
Drag & drop or browse. Up to 1080p, MP4 / MOV / WebM.
Fast or Sharp model, then 2× / 4× / 8× boost.
Buttery smooth output. Done in your browser.
Frame Booster runs a neural network on your GPU through WebGPU. Frames are synthesized on-device and remuxed with the original audio — nothing leaves your machine.
On-device AI
Model runs entirely on your GPU — no server, no upload
Up to 8×
Insert 1, 3 or 7 synthetic frames between every source pair
Audio Preserved
Original audio track is remuxed without re-encoding
Boosting frames is one of the few VFX wins that genuinely makes a video look better.
Convert a 30 fps action clip into 120 fps and slow it down 4× without ghosting or judder.
Bring vintage 24 fps clips up to 60 fps for smoother playback on modern displays.
Smooth out 30 fps phone recordings to 60 / 120 fps before sharing as Reels or Shorts.
Boost recorded gameplay frame rates after the fact — useful when the recorder couldn't keep up live.
Your files never leave your device. Everything is processed using WebAssembly and browser APIs — no server uploads, no data collection, no privacy concerns.
Powered by Mediabunny and ffmpeg.wasm — multi-threaded, hardware-accelerated encoding that makes media processing feel instant.
MP4, MOV, MKV, WebM, AVI, FLAC, WAV, AAC — if it exists, we handle it. Full multi-channel audio support with surround preservation.