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.

Start a new check

↗en.csintresearch.org/shadow-trace

Your files stay with youImages, video, and audio do not leave the browser. If you allow it, only the source page address is sent to the archive service.

Sample training image · Operation Glass Harbor

01File identitySHA-256 record

02Frames and pixelsChange and motion

03Audio and timeEvents matched

04Open reportJSON, Markdown, and ZIP

What does it do?

Measures frames and pixels

Finds scene cuts, low-change frames, dark intervals, brightness shifts, and edge changes.

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 level, quiet intervals, clipping, sudden audio events, and basic frequency balance.

Creates a run record

Puts each stage, the timeline, and technical records in a downloadable ZIP.

START THE CHECK

Write the claim; add an image, video, or audio file.

Add a file you downloaded yourself from a platform such as X or Instagram, or one you are allowed to review. The tool does not enter accounts or secretly download media from a link.

Claim you want to check0/1,200Source page address · optional

Place mentioned · optionalDate and time mentioned · optional

Image, video, or audio filesChoose filesJPEG, PNG, WebP, AVIF, MP4, MOV, WebM, MP3, WAV, M4A, AAC, OGG, Opus, or FLAC · up to 8 filesFull audio analysis is limited to 64 MB and five minutes per file. Larger media stays in the case with its audio stage marked unavailable.

Also check older copies of the source pageIf you turn this on, only the page address is sent to the archive service. Your files and the text you entered are not sent.

Silent product tour · English

See the dynamic analysis flow step by step.

The eight-step tour shows the local boundary, file intake, workflow, and frame, motion, audio, and timeline results on the real product screen. It is silent and does not start by itself.

Download video ↓