Subscription tier limits
Up to 953.7 MB
Batch: 1 file
Up to 9.31 GB
Batch: 5 files
Up to 93.13 GB (streamed)
Batch: 50 files
Drop your video and pick a sensitivity threshold
JAD runs select=scene+threshold and logs each cut
Download the JSON list of scene timestamps
0 bytes uploaded. Scene Detector (Cut Detection → Timestamps) runs entirely in your browser using WebCodecs, WebGPU, and FFmpeg.wasm. Pro + Media uses chunked streaming via the File System Access API — your video is never buffered to RAM in full and never leaves your machine.
0.3 catches most hard cuts; 0.5 is conservative for talking-head footage; 0.1 catches even soft fades and works for music videos.
Pull chapter markers from MKV / MP4 files into structured JSON. Useful for auto-generating timestamps in podcast notes.
Open toolPull JPG or PNG thumbnails at fixed intervals (every 1s, 5s, 10s) or at evenly-spaced positions. Returns a ZIP of frames.
Open tool