Upload a clip or paste a TikTok, Instagram, YouTube or X link. Retrace samples up to 24 distinctive frames across the whole video, searches each one visually and groups the pages where the same footage appears. The scan and match count are free; unlocking a search's links costs $0.90. No subscription, balance never expires. Useful for finding a clip's original, spotting recycled news footage, catfish checks and creators finding reuploads.