Measures frames and pixels
Finds scene cuts, low-change frames, dark intervals, brightness shifts, and edge changes.
IMAGE, VIDEO, AND AUDIO ANALYSIS
See what happened inside a file over time.
ShadowTrace checks images, video, and audio on your device. It puts frame changes, pixel motion, quiet intervals, and audio events on one timeline, then gives you a plain report.
↗en.csintresearch.org/shadow-trace
Runs on your deviceFiles are analysed in this browser and are not uploaded to a server. You can download the report to your device.
01File identitySHA-256 record
02Frames and pixelsChange and motion
03Audio and timeEvents matched
04Open reportJSON, Markdown, and ZIP
What does it do?
Shows the motion path
Maps the centre of changed pixels over time. It does not track a person or object.
Reads the audio track
Measures audio level, quiet intervals, and clipping. Shows the distribution of frequencies over time.
Creates a run record
Puts each stage, the timeline, and technical records in a downloadable ZIP.
START THE CHECK
Choose the file you want to examine.
Analysis starts when you add an image, video, or audio file you are authorised to review.
Image, video, or audio files